Alternatives to Pusher Channels
Compare Pusher Channels alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Pusher Channels in 2026. Compare features, ratings, user reviews, pricing, and more from Pusher Channels competitors and alternatives in order to make an informed decision for your business.
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1
Sendbird
Sendbird
Sendbird is the omnichannel AI agent platform enterprises choose to elevate customer experience, by initiating autonomous support & sales conversations, keeping humans in the loop for complex inquiries, and re-engaging customers with proactive business messages. Combining omnichannel AI and a battle-tested, award-winning communication APIs, Sendbird enables businesses to build AI agents and meaningful customer connections at scale. Sendbird’s AI-powered customer service platform helps businesses deliver scalable, omnichannel support through intelligent AI agents. These agents work seamlessly across channels like mobile apps, web, SMS, and social media, providing instant and proactive assistance to customers 24/7. With the ability to integrate into existing customer support tools, the platform enhances resolution rates, reduces response times, and improves customer experience by offering a unified view of all interactions. -
2
Weavy
Weavy
The complete in-app collaboration API and SDK. Add contextual activity feeds, chat, and document collaboration directly into your apps to increase user engagement, improve in-app retention, and reduce customer churn. All Weavy features include integrations to the third party tools your users are already familiar with: add capabilities for Zoom and Teams video conferencing, Google Drive, Dropbox, or Box file sharing, document sync and versioning contextually inside your app. Weavy allows app developers to quickly add the features that users need to be productive and interactive, directly within the app environment. With our SDK and APIs, you can deploy chat, feeds, and document sync in a matter of days, not months, and at a fraction the cost to build in-house. Focus on your core product while simultaneously adding functionality that makes your user experience not only better, but increases user engagement and dependency on your app.Starting Price: $0/Month -
3
SignalWire
SignalWire
An elastic communications cloud with advanced APIs for voice, SMS and video designed by the original geeks of software-defined telecom. When your audience is large, your brand is premium, and you won't settle for janky video conferencing UX, you want this. Real time, granular control over call flows, routing, and codecs. 300% more responsiveness than you get with REST. If you use AI in your voice apps, you just found your new favorite API. If you're more comfortable with REST than WebSockets or already use TwiML, these APIs are like TwiML...if TwiML suddenly knew Kung Fu. The SMS API makes it easy to move your expensive SMS traffic to SignalWire and cut your billio 50-80% in the process. Launch and scale communication products on infrastructure built for this decade and the next rather than running aground on the limitations of 2010s-era SaaS. Persistent, bi-directional connections between your video and voice apps and our infrastructure means 300% more responsiveness. -
4
Twilio
Twilio
Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.Starting Price: $0.0085 per min -
5
Gupshup
Gupshup
Headquartered in Silicon Valley, Gupshup is a leading conversational messaging platform that enables businesses to build engaging conversational experiences seamlessly across 30+ messaging channels using a single API. Gupshup offers an easy-to-use omnichannel messaging API, advanced bot-building platform and mobile marketing tools. Gupshup's messaging platform handles over 6 billion messages per month enabling over 39,600 businesses send messages to several billion users across popular messaging channels such as SMS, Voice, WhatsApp, Mobile Web, Android RCS, Instagram, Twitter, Telegram, WeChat, FB Messenger, Slack, Viber, Skype and many more. Gupshup's constant innovation enables it to offer market leading features on its platform, enabling developers to build Interactive, Programmable and Rich omni-channel CX journeys across messaging servicesStarting Price: $0.01 -
6
Ably
Ably
Ably is the definitive realtime experience platform. We power more WebSocket connections than any other pub/sub platform, serving over a billion devices monthly. Businesses like HubSpot, NASCAR and Webflow trust us to power their critical applications - reliably, securely and at serious scale. Ably’s products place composable realtime in the hands of developers. Simple APIs and SDKs for every tech stack, enable the creation of a host of live experiences - including chat, collaboration, notifications, broadcast and fan engagement. All powered by our scalable infrastructure.Starting Price: $49.99/month -
7
Stream
GetStream.io
Why spend months building in-app activity feeds and messaging from scratch when you can implement in just weeks with Stream's activity feeds and in-app chat APIs? Stream's reliable APIs, developer-friendly SDKs, and flexible UI kits enable product teams to quickly integrate polished communication functionality often found in social media platforms such as WhatsApp, Facebook Messenger, and Instagram. With an industry-leading 99.999% uptime SLA, over a billion end users, and 5 million concurrent connections recently supported in a single chat channel, Stream's APIs are highly scalable, making them ideal for enterprise-grade businesses and growing startup platforms alike. Ship fully-featured activity feeds and in-app chat functionality faster with easy-to-use software components that give your product a competitive edge. -
8
Socket.IO
Socket.IO
In most cases, the connection will be established with WebSocket, providing a low-overhead communication channel between the server and the client. Rest assured! In case the WebSocket connection is not possible, it will fall back to HTTP long-polling. And if the connection is lost, the client will automatically try to reconnect. Scale to multiple servers and send events to all connected clients with ease. Socket.IO is a library that enables low-latency, bidirectional and event-based communication between a client and a server. It is built on top of the WebSocket protocol and provides additional guarantees like a fallback to HTTP long-polling or automatic reconnection. WebSocket is a communication protocol that provides a full-duplex and low-latency channel between the server and the browser. There are several Socket.IO server implementations available. And client implementations in most major languages. -
9
Sceyt
Sceyt
Fast, reliable chat features - deployed swiftly, enhancing engagement and user connectivity. Sceyt’s unique binary messaging protocol is like an express lane for your messages. Combining Protobuf and Websockets technology results in super low-latency. Conversations flow smoothly and responses are near-instant. Whether you want to offer financial advice, connect users with healthcare professionals, or provide ecommerce customer service, Sceyt is versatile enough to handle all your app chat use cases. Sceyt gives you a control room to manage your chat features. The easy-to-use dashboard lets you assign different permissions to team members. In-depth stats give you a bird’s eye view of user interaction. Plus, a range of moderation tools make sure your app remains a safe space for users.Starting Price: $59 per month -
10
Azure Web PubSub
Microsoft
Azure Web PubSub is a fully managed service that enables developers to build real-time web applications using WebSockets and the publish-subscribe pattern. It supports native and serverless WebSockets, allowing for scalable, bi-directional communication without the need to manage infrastructure. This service is ideal for applications such as chat rooms, live broadcasting, and IoT dashboards. Supports real-time publish-subscribe messaging for web application development through native and serverless WebSocket support. Built-in support for large-scale client connections and highly available architectures, enabling applications to handle numerous simultaneous users. Offers support for a wide variety of client SDKs and programming languages, facilitating seamless integration into existing applications. Provides built-in security features, including Azure Active Directory integration and private endpoints, to help protect data and manage access. -
11
MigratoryData
MigratoryData
Enterprises running real-time web and mobile apps struggle with latency, bandwidth, and scalability issues, which negatively impact the total cost of ownership as well as the real-time experience of their users. These issues are inherent to the traditional techniques, such as HTTP polling or long polling, employed to achieve real-time communication using web and application servers. To overcome these issues, we created MigratoryData, a real-time messaging technology leveraging the WebSockets standard, streaming data to and from users over persistent WebSocket connections in milliseconds and with minimal traffic overhead. Unlike other real-time messaging technologies, MigratoryData has been designed to scale to a large number of users. It has been benchmarked to stream real-time data to 10 million concurrent users from a single commodity server. -
12
HarperDB
HarperDB
HarperDB is a distributed systems platform that combines database, caching, application, and streaming functions into a single technology. With it, you can start delivering global-scale back-end services with less effort, higher performance, and lower cost than ever before. Deploy user-programmed applications and pre-built add-ons on top of the data they depend on for a high throughput, ultra-low latency back end. Lightning-fast distributed database delivers orders of magnitude more throughput per second than popular NoSQL alternatives while providing limitless horizontal scale. Native real-time pub/sub communication and data processing via MQTT, WebSocket, and HTTP interfaces. HarperDB delivers powerful data-in-motion capabilities without layering in additional services like Kafka. Focus on features that move your business forward, not fighting complex infrastructure. You can't change the speed of light, but you can put less light between your users and their data.Starting Price: Free -
13
Agora
Agora.io
The Real-Time Engagement Platform for meaningful human connections. People engage longer when they see, hear, and interact with each other. With Agora, you can embed vivid voice and video in any application, on any device, anywhere. Agora provides the SDKs and building blocks to enable a wide range of real-time engagement possibilities. Our network monitors activity in real time and automatically selects the most efficient routing path for sub-second latency globally across 200+ data centers. Compatible with all popular development platforms and mobile-device friendly with minimal battery consumption. Architected to withstand sudden spikes in traffic, gracefully scaling from one to millions of concurrent users as your business demands. Developers can create unique experiences with our extensive APIs, customizable UI and pre-integrated third-party extensions. Deliver the best quality real-time voice and video to your users with ultra-low latency and intelligent routing.Starting Price: $0.0265 per minute -
14
Finage
Finage
Financial data & solutions for everyone. Real-time Stock, Forex and Cryptocurrency market data via API, WebSocket & Widgets. Finage has more than 28.000+ symbols in real-time. We bring together everything that’s required to build financial applications that need Real-Time stock, forex and cryptocurrency data via APIs and WebSocket. You can reach more than 25.000+ U.S. stock data via Finage's Real-Time WebSocket and APIs. You can also use the 15-year Historical Data API for the U.S stocks as well. Finage offers more than 1300+ currencies in real-time & Historical Data API. Forex data all in one place, so you can access our full selection of data. We offer you more than 1500+ cryptocurrencies via API and WebSocket. Finage has the most popular cryptocurrencies as Real-time. Visuality is the best way to demonstrate complex data for easy understanding. Select custom widgets with different color schemes to best fit best on your platform. Available across most of popular platforms.Starting Price: $99 per month -
15
websockets
Python Software Foundation
An implementation of the WebSocket Protocol (RFC 6455 & 7692). websockets is a library for building WebSocket servers and clients in Python with a focus on correctness, simplicity, robustness, and performance. Built on top of asyncio, Python’s standard asynchronous I/O framework, it provides an elegant coroutine-based API. websockets is heavily tested for compliance with RFC 6455. Continuous integration fails under 100% branch coverage. websockets is built for production. For example, it was the only library to handle backpressure correctly before the issue became widely known in the Python community. Memory usage is optimized and configurable. A C extension accelerates expensive operations. It’s pre-compiled for Linux, macOS, and Windows and packaged in the wheel format for each system and Python version. websockets takes care of everything under the hood so you can focus on your application!Starting Price: Free -
16
BlockVigil
BlockVigil
Designed for entrepreneurial software developers, BlockVigil is the ultimate developer tool to build and scale blockchain apps with just a few lines of code. We allow you to build full-stack apps on blockchain, without learning protocol specifics. Smart contracts are quickly deployed through our system and the resulting API is instantly available to start testing. Use webhooks and WebSockets to integrate with third-party services in real-time with minimal technical effort. Our docs cater to every developer, all the way from beginners to advanced. We also provide examples to build upon. Use webhooks, WebSockets and Zapier to execute powerful off-chain and real-world workflows. BlockVigil's API gateway makes it super easy to build your blockchain apps, so you can quickly build and scale with just a few lines of code, from web developers to app developers. -
17
Armia Chat SDK
Armia Systems
Creating a messaging platform like WhatsApp, Facebook Messenger, or Signal can be easily done through Chat SDK. User can easily add chat functionality in their mobile as well as in desktop. The react native Armia chat SDK library includes components you need to build a functioning chat user experience in React with support for one-to-one and group chat. User can send audio and video messages, exchange photos and files. It uses Firebase as the backend service. You can download the FREE SDK to save months of development time from your project using the Chat SDK. -
18
MirrorFly
CONTUS TECH
MirrorFly is a CPaaS platform that empowers businesses and enterprises to add real-time chat features to any app. MirrorFly CPaaS offers chat, voice, video,& broadcasting in an enterprise-grade infrastructure. MirrorFly AI Voice Agent solution is uniquely built for developers who want more than basic communication – specifically for businesses that want to go AI-driven Startups and large enterprises can build their own chat app with extensive customization and branding capabilities to add logos, brand color, and other brand elements. The self-hosted Chat APIs and SDKs offer 1000+ in-app messaging features with 100% customization. In addition, MirrorFly offers a dedicated developer team to support the end-to-end custom chat app development process. MirrorFly Readymade SDKs: 1. In-app Chat API 2. HD Video Call Solution 3. HQ Voice Call SDK 4. Self-hosted Chat Messaging Solution 5. SIP & VoIP Call Solution 6. AI Voice Agent 7. AI Chat BotStarting Price: $299 per month -
19
ejabberd
ProcessOne
ejabberd XMPP server simplifies critical administration and key usage statistics through an easy-to-use and customizable management module for administrators. ejabberd XMPP server statistics module is compatible with Nagios, the industry standard IT infrastructure monitoring tool. ejabberd XMPP server supports more interaction with the browser and the web app, facilitating real-time messaging. The use of WebSockets provides the ability to seamlessly send and receive messages while a browser tab is opened. BOSH capability is provided as a fallback for XMPP server connection. ejabberd XMPP server mobile reliability layer helps manage mobile network’s disconnection, message deliveries, consistent conversation on any online device, IoT, chat server, IM service, push notification and mobile interfaces. -
20
API Tester
API Tester
API Tester is a completely free mobile app available on iOS, Android, macOS, and watchOS. It is a functional API testing tool that allows users to complete compound tasks on any device. - Test any API on the go: REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS. - GET, POST, PUT, PATCH, DELETE, etc. HTTP request methods are supported. - Perform the API calls with any kind of request data encoding and transfer type. - Import collections from Swagger, Postman, and YAML, or import requests using cURL, as well as export created requests via link or cURL. - Use a powerful GraphQL editor with full-scale experience. - WebSocket testing tool is available: handles connection and message exchange via WS or WSS. The API Tester mobile app allows you to get the job away from your workstation. Save time, work from anywhere!Starting Price: Completely free -
21
exit1.dev
exit1.dev
exit1.dev is real-time uptime monitoring for websites, APIs, and infrastructure, built around a live dashboard. Probe results stream from our regional servers straight into your browser over WebSockets, so the chart and raw probe table update the moment each check finishes, with per stage timing for DNS, connect, TLS, and first byte. No refresh, no polling. Checks run from multiple regions across HTTP, TCP, UDP, ICMP, WebSocket, DNS, and heartbeat monitors. It also tracks SSL certificate and domain expiry, validates response bodies with status codes, JSONPath, and text, and alerts through email, SMS, Slack, Discord, Teams, or webhooks. exit1.dev ships an MCP server too, so AI assistants can create and query your monitors directly. You also get public status pages, status badges, and a REST API. The free plan includes 10 monitors with no credit card.Starting Price: $7/month -
22
Plivo
Plivo
Access high-quality cloud communications at a low cost with Plivo Communications Platform, a Cloud API Platform and a Global Carrier Services Provider. Plivo Communications Platform enables users to make phone calls to all countries, buy local phone numbers in 55 countries, send SMS to all countries, and more. Available 24/7, Plivo Communications Platform also features free tech support by experts that are happy to assist customers with their issues.Starting Price: $.005 / SMS -
23
Kestrel
Microsoft
Kestrel is a cross-platform web server for ASP.NET Core. Kestrel is the web server that's included and enabled by default in ASP.NET Core project templates. Kestrel supports HTTPS, HTTP/2 (except on macOS), Opaque upgrade used to enable WebSockets, Unix sockets for high performance behind Nginx. Kestrel is supported on all platforms and versions that .NET Core supports. Some browsers require granting explicit permission to trust the local development certificate. Project templates configure apps to run on HTTPS by default and include HTTPS redirection and HSTS support. The Kestrel web server has constraint configuration options that are especially useful in Internet-facing deployments. There's a separate limit for connections that have been upgraded from HTTP or HTTPS to another protocol (for example, on a WebSockets request). The default maximum request body size is 30,000,000 bytes, which is approximately 28.6 MB. -
24
GPT‑5.3‑Codex‑Spark
OpenAI
GPT-5.3-Codex-Spark is an ultra-fast coding model designed for real-time collaboration inside Codex. Built as a smaller version of GPT-5.3-Codex, it delivers over 1000 tokens per second when served on low-latency Cerebras hardware. The model is optimized for interactive coding tasks, enabling developers to make targeted edits and see results almost instantly. With a 128k context window, Codex-Spark supports substantial project context while maintaining speed. It focuses on lightweight, precise edits and does not automatically run tests unless prompted. Infrastructure upgrades such as persistent WebSocket connections significantly reduce latency across the full request-response pipeline. Released as a research preview for ChatGPT Pro users, Codex-Spark marks the first milestone in OpenAI’s partnership with Cerebras. -
25
finlight.me
finlight.me
finlight.me is a powerful, developer-first news API that delivers real-time and historical financial, geopolitical, and market-moving news from a wide range of trusted sources in clean JSON format. It supports advanced querying, including keyword search with boolean operators, date/time filtering, source inclusion/exclusion, language options, sorting, and pagination, enabling precision targeting. The API offers both REST and WebSocket endpoints, the latter providing streaming delivery of new articles matching live queries, complete with sentiment analysis labels and confidence scores. Extended article endpoints include full content and summaries depending on the subscription tier. finlight’s AI-powered sentiment tagging and market-impact insights equip developers with actionable context, while support for WebSocket streaming allows for real-time alerts and deep analytics.Starting Price: $29 per month -
26
Zunoy FreeMQTT
Mentcube Innovations Pvt Ltd
Zunoy FreeMQTT is a free public MQTT broker built for learning, testing, and rapid prototyping. It allows developers, students, and IoT teams to connect devices and applications to an always-available MQTT broker without registration or setup. Users can publish and subscribe to topics, test device messaging, and experiment with MQTT workflows using standard TCP, TLS, WebSocket, and secure WebSocket connections. The platform supports MQTT v3.1, v3.1.1, and v5, making it useful for testing IoT devices, browser-based dashboards, automation workflows, and application integrations. It also provides ready-to-use connection details and example code for popular environments such as Node.js, Python, Arduino/C++, Go, and browser applications. FreeMQTT is designed for non-production use cases where teams need a simple way to validate MQTT communication, prototype real-time systems, and learn how MQTT-based messaging works.Starting Price: Free -
27
EODHD
EODHD
EODHD is a financial data API platform that provides developers and analysts with access to a comprehensive range of global market data through a single, unified interface. It offers over 30 years of historical data along with real-time and intraday feeds across more than 60 stock exchanges, covering over 150,000 tickers, including stocks, ETFs, mutual funds, bonds, Forex pairs, and digital currencies. It delivers multiple types of datasets such as end-of-day prices, live OHLCV data, corporate actions like splits and dividends, financial news, technical indicators, macroeconomic data, and stock screeners, all accessible via REST APIs and WebSocket connections. It delivers multiple types of datasets such as end-of-day prices, live OHLCV data, corporate actions like splits and dividends, financial news, technical indicators, macroeconomic data, and stock screeners, all accessible via REST APIs and WebSocket connections.Starting Price: $19.99 per month -
28
AIOHTTP
AIOHTTP
Supports both client and server side of HTTP protocol, both client and server web-sockets out-of-the-box, and avoids callback hell and web-server with middlewares and pluggable routing. -
29
TekSIP
KaplanSoft
TekSIP is a SIP Registrar and SIP Proxy for Windows. TekSIP supports UDP, TCP, TLS and WebSocket (IPv4 & IPv6) transports. TLS and Secure WebSocket are supported in only commercial editions. TekSIP is tested on Microsoft Windows Vista, Windows 7/8/10/11 and Windows 2008-2022 server. TekSIP can be deployed as a signaling server for WebRTC based SIP phones. TekSIP complies with RFC 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal and ENUM. Please see technical details about NAT traversal in Readme. You can select IP address to be listened and alternative SIP endpoints for outgoing calls. You can also log session details into a log file and monitor active registrations and sessions in real-time. You can monitor number of active registrations and sessions using Windows Performance Monitor (Perfmon.exe). TekSIP can redirect calls to alternate endpoint when called endpoint is unavailable (Off-line, busy...). Active SIP session can be terminated via GUI.Starting Price: $239 -
30
AG-UI
AG-UI
AG-UI is an open, lightweight, event-based protocol that standardizes how AI agents connect to user-facing applications. Built for simplicity and flexibility, it enables seamless integration between AI agents, real-time user context, and user interfaces. AG-UI is designed for agent-human interaction: during agent executions, backends emit events compatible with standard AG-UI event types, and agent backends can accept simple AG-UI-compatible inputs as arguments. It works with any event transport, including SSE, WebSockets, webhooks, and other streaming systems, while providing a flexible middleware layer that ensures compatibility across diverse environments. AG-UI brings agents into user-facing applications and complements the wider agentic protocol stack: MCP gives agents tools, A2A allows agents to communicate with other agents, and AG-UI connects agents directly to the user interface.Starting Price: Free -
31
CCXT Pro
CCXT Pro
CCXT Pro is a professional tool for algorithmic crypto-trading. It is a high-performance superset of the CCXT library, one of the world's leading open-source frameworks for crypto finance. CCXT Pro includes the standard CCXT library and wraps it with powerful new features and useful enhancements. Unified public and private WebSockets APIs. Efficiency, higher speeds, and lower latencies. Less traffic, fewer bandwidth requirements. Priority in development and maintenance. Dedicated and responsive technical support. Backward compatibility with CCXT.Starting Price: $29 per month -
32
OddsPapi
OddsPapi
OddsPapi is a real-time sports betting data platform and API that provides developers, analysts, sportsbooks, media companies, and betting technology providers with access to live, pre-match, and historical odds from more than 350 global bookmakers. The platform aggregates and normalizes sportsbook data across 60+ sports and over 12,000 leagues and competitions into a single, developer-friendly interface. Users can access moneylines, spreads, totals, player props, futures, Asian handicaps, and other betting markets through REST APIs and low-latency WebSocket feeds. The service includes real-time odds updates, line movement tracking, historical odds databases, bookmaker comparison capabilities, and structured JSON responses designed for rapid integration into web applications, mobile apps, trading systems, analytics platforms, arbitrage tools, and odds comparison websites.Starting Price: Free -
33
Flarum
Flarum
The community framework for small to enterprise communities that is extensible, scalable, and completely free. Regardless of the size of your community, Flarum excels on every level. Building on top of the Flarum core experience with extensions allows you to customize your community to your needs. Permission groups allow easy configuration of permissions and members. Granting access to categories, but also defining global and category-limited actions like moderation, flagging, and much more. Whether you prefer a simple, bbcode/Markdown editor for typing or need a full-fledged WYSIWYG editor for your users, Flarum works with either of those. Increase engagement with your users using notifications in-browser, through email, or various other channels. Installing a WebSocket extension allows snappy interactivity to your community with real-time updates. Flarum is open source so anyone can install it anywhere, even on a shared hosting plan.Starting Price: Free -
34
OpenMail
OpenMail
OpenMail gives AI agents a dedicated email address. Provision an inbox with one CLI command or API call, each agent gets its own address, not a shared inbox or forwarding alias. Inbound email arrives instantly via webhook or WebSocket, parsed and threaded, with no polling required. Replies land in context so agents can respond without any new interface on the human side. Attachments: PDFs, CSVs, images, spreadsheets, Word documents are automatically converted to LLM-ready text; the agent never touches raw MIME. The API is small by design: one call to provision, standard calls to send, webhooks or WebSocket to receive. Integrates with LangChain, n8n, Make, Vercel AI SDK, and OpenClaw. Custom domains supported. Runs in the EU, GDPR-covered, 99.9% uptime SLA, SOC 2 in progress.Starting Price: 9 EUR -
35
Sunshine Conversations
Zendesk
The messaging platform for conversational business. Sunshine Conversations lets you unify messages from every channel into a single conversation, and build interactive messaging experiences anywhere. The way we communicate has fundamentally changed. With more than 5 billion accounts worldwide, messaging apps like Facebook Messenger, WhatsApp, and WeChat have made it easy to connect in a more personal way with friends and family from anywhere in the world. Businesses already know they need to be where their customers are. But with the growing number of channels and constantly changing technology, it’s become harder than ever to manage conversations across channels. With the rise of bots, AI, and interactivity in messaging, these channels are quickly evolving from places we chat to places where we do business.Starting Price: $145 per month -
36
Graffle
Graffle
Our thin layer over the Flow blockchain allows you to read, write, and query the blockchain using any language. Our indexers monitor the chain 24/7, store your events, and execute cadence at scale. Subset of tools and infrastructure to enhance non-fungible tokens with real-world utility. Emitting events to the chain with push guarantees, queuing and deferred execution. Setup an indexer and instantly get real-time streaming data directly to your webhook or WebSocket. Drill down into events and statistics around your traffic, webhooks, and APIs. We are actively looking for beta testers. Build a new dApp with Graffle. Aggregate at scale, gain insight, join our beta wait list today! -
37
Cowboy
99s
Cowboy is the ultimate server for the modern Web with support for Websocket, HTTP/2 and REST. Cowboy is a small, fast and modern HTTP server for Erlang/OTP. Cowboy aims to provide a complete modern Web stack. This includes HTTP/1.1, HTTP/2, WebSocket, server-sent events and Webmachine-based REST. Cowboy comes with functions for introspection and tracing, enabling developers to know precisely what is happening at any time. Its modular design also easily enables developers to add instrumentation. Cowboy is a high-quality project. It has a small code base, is very efficient (both in latency and memory use) and can easily be embedded in another application. Cowboy is clean Erlang code. It includes hundreds of tests and its code is fully compliant with the Dialyzer. It is also well documented and features a function reference, a user guide and numerous tutorials. Knowledge of the HTTP protocol is recommended but not required, as it will be detailed throughout the guide. -
38
CloudAMQP
CloudAMQP
CloudAMQP is a fully managed messaging and message broker hosting platform that provides cloud-based RabbitMQ and LavinMQ services for businesses building scalable applications and distributed systems. The platform supports multiple messaging protocols, including AMQP, MQTT, STOMP, HTTP, and WebSockets, allowing developers to connect a wide range of applications and devices. CloudAMQP simplifies the deployment, management, monitoring, and scaling of message queues through a hosted infrastructure designed for reliability and performance. It offers features such as monitoring tools, diagnostics, integrations, networking options, webhooks, authentication controls, and automated maintenance capabilities. The platform is commonly used for event-driven architectures, microservices communication, IoT messaging, and asynchronous application processing.Starting Price: $19/month -
39
Lucid KV
Lucid KV
Lucid is currently in a development stage but we want to achieve a fast, secure and distributed key-value store accessible through an HTTP API, we also want to propose persistence, encryption, WebSocket streaming, replication and a lot of features. Private Keys Storing, IoT (to collect and save statistics data), Distributed cache, service discovery, distributed configuration, blob storage etc. -
40
Hasfiyat
Hasfiyat
Hasfiyat is an all-in-one jewelry store software with a real-time gold & currency price screen and price board, formula-based pricing, gram-based inventory, cash and current-account tracking, and bulk e-invoicing (e-Fatura/e-Arsiv) on web, Windows and mobile. It is powered by its own real-time gold & FX price API that aggregates 11 live sources with automatic failover and delivers millisecond updates over REST and WebSocket. Ready integrations push live prices to 15 marketplaces and e-commerce platforms (Trendyol, Hepsiburada, Shopify, WooCommerce, Ticimax and more). Built for single-store jewelers up to multi-branch operations and online sellers, plus developers needing a reliable gold/FX data API.Starting Price: $29/month (15-day free trial) -
41
SaaS Pegasus
SaaS Pegasus
You want to get your project off the ground, but you're stuck on all the boring parts. Pegasus handles the foundation of your application for you. Get a head start and launch faster than you dreamed possible. A secure and extensible user account system with sign-up, authentication, email confirmation, password reset, and social login built in. Create multi-tenant applications with an optional teams/organizations model, invitation workflow, and role-based access control framework. Set up plans and collect recurring payments with a powerful and flexible Stripe subscription module. A responsive UI built with your choice of Tailwind CSS, Bootstrap, or Bulma. Build real-time UIs with asynchronous and WebSocket support with Django channels and a built-in group chat demo. Interactive pages in Pegasus are built with your choice of React or HTMX. Use as much or as little JavaScript as you want.Starting Price: $249 per year -
42
Layercode
Layercode
Layercode is a cloud-based developer platform that makes it easy to build production-ready, low-latency voice AI agents by handling the real-time infrastructure so you can focus on your agent’s logic; it manages WebSockets, voice activity detection, global edge deployment, and voice model integrations while giving you full control over how your agent thinks, speaks, and responds. It enables natural, fluid voice conversations with sub-second response times and human-like turn-taking, offers observability tools so you can inspect calls, latency, and failures in production, and fits naturally into modern TypeScript and Next.js stacks with simple CLI and SDK support so you can receive text and send text back. With Layercode, you can avoid vendor lock-in by hot-swapping leading voice and transcription model providers, maintain complete flexibility by plugging in your own AI agent backend, and deploy voice agents across web, mobile, and phone interfaces.Starting Price: $0.04 per minute -
43
TeleSign
TeleSign
Deliver timely, personalized information through global SMS/RCS and voice cloud communications. Gain a deeper understanding of your customers from actionable global phone number and subscriber data intelligence. Code once and message your customers at scale using TeleSign’s Messaging API - complete with waterfall delivery between channels. TeleSign Messaging API includes SMS, RCS, and WhatsApp to help you build secure digital communications that connect you with your customers anywhere in the world. Integrate a single Messaging API and start sending reliable, secure SMS, RCS and WhatsApp messages to your customers today. Choose one or all three channels to broaden your programmable messaging strategy and expand your audience. Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes. -
44
Iotum
iotum
Augment your offering by adding cloud-based voice and video solutions to your existing platform. Explore how iotum's out-of-the-box APIs and SDKs enable interactive engagements within your existing app, website, or platform. Strengthen your customer relationships by using the communication method they prefer. Engage with your audience in real-time, on any platform, from anywhere, through the addition of video and voice with iotum’s API and SDK solutions. Iotum utilizes the VP9-SVC codec, the latest in video technology that uses less bandwidth for the same top-notch video quality, and is able to maintain better video quality under poor internet conditions. Iotum has media servers distributed worldwide that use global low latency, ensuring all participants have crystal clear connections, no matter where they are. Iotum offers collaboration features such as annotation, whiteboards, laser pointer, and instant chat a-la-carte so that your developers don’t need to build in-house. -
45
Kodey
Kodey
Kodey is a comprehensive AI-agent platform that lets users build, deploy, and manage autonomous AI agents without needing to write code. It offers a visual agent builder for non-technical users, enabling you to drag and drop components and connect workflows or data sources in minutes, plus full-support SDKs and APIs (e.g., Python, JavaScript, REST/GraphQL) for developers who want deeper customization. Once configured, agents run in secure, containerized environments and can be deployed to production via REST, WebSocket, or as embeddable web components; Kodey.ai automatically scales infrastructure to meet demand. It includes prebuilt integrations (databases, third-party tools, etc.), real-time monitoring and analytics, version control, and collaboration tools with role-based access control, all ensuring reliability, security, and maintainability in production workflows.Starting Price: $100 per month -
46
PubNub
PubNub
Innovate with Realtime Features: We take care of realtime communication infrastructure so you can focus on your app. Our Platform for Realtime Communication: A platform to build and operate real-time interactivity for web, mobile, AI/ML, IoT, and Edge computing applications Faster & Easier Deployments: SDK support for 50+ mobile, web, server, and IoT environments (PubNub and community supported) and more than 65 pre-built integrations with external and third-party APIs to give developers the features they need regardless of programming language or tech stack. Scalability: The industry’s most scalable platform capable of supporting millions of concurrent users and allows for rapid growth with low latency, high uptime, and without financial penalties. Security & Compliance: Enterprise-grade security and compliance with the most stringent regulations worldwide, including GDPR, SOC 2, HIPAA, ISO 27001, and CCPA.Starting Price: $0 -
47
meetstream.ai
meetstream.ai
meetstream.ai is a meeting bot API built for real-time AI agents, giving developers one integration to join, record, stream, and transcribe Zoom, Google Meet, and Microsoft Teams calls. Bots can capture real-time video, audio, transcripts, participants, screenshots, chat messages, meeting metadata, and MP4 recordings, so teams can focus on building AI-powered intelligence instead of maintaining separate meeting-platform integrations. Real-time transcription includes speaker labels and timestamps, while separate audio tracks for each participant help keep speaker attribution accurate even when people talk over one another. MeetStream can stream low-latency audio and video through secure WebSockets, with separate participant feeds available for real-time applications. Calendar integration supports automatic meeting joins and synchronization with Google and Outlook calendars. -
48
Massive
Massive
Massive is a market-data infrastructure platform built to provide real-time and historical financial data to developers, startups, and trading firms. It delivers institutional-grade market data across stocks, options, indices, currencies, and futures, all via a streamlined API, WebSocket, flat-file S3 access, or SQL query interface. The platform emphasizes low latency, direct connectivity to major exchanges (NYSE, NASDAQ, CBOE, OTC), and data normalization to eliminate survivorship bias and outdated pipelines. Massive positions itself as “modernizing Wall Street” by removing legacy bottlenecks and providing the same quality of market data typically reserved for large institutions, but now accessible to any app builder. The platform also includes extensive documentation, client libraries in Python, JavaScript, Go, and Java, tutorials, and example projects to accelerate integration.Starting Price: $29 per month -
49
Azure Communication Services
Microsoft
Build rich communication experiences with the same secure platform used by Microsoft Teams. Azure Communication Services brings rich communication APIs to all your applications across any device, on any platform, using the same reliable and secure infrastructure that powers Microsoft Teams. Reach customers anywhere with a fully managed communication platform. Deliver video, voice, chat, and text messaging experiences anywhere your users are - across your applications, websites, and mobile platforms. Use a reliable global platform trusted by millions of users daily. Reach more users without compromising security, using the most secure and compliant cloud. Connect users across web and mobile apps. Add communications workflows to applications with flexible SDKs and APIs for common platforms and languages including iOS, Android, Web, .NET, and JavaScript. Benefit from a global, low latency network that auto-scales to meet your demand. Deliver reliable enterprise-grade calling, and chat. -
50
OpenAgents
OpenAgents
OpenAgents is an open source framework and platform for building, connecting, and deploying networks of AI agents that can discover, communicate, collaborate, and solve problems together rather than operating in isolation, enabling developers to launch and join agent communities that work at scale and share resources seamlessly. It provides infrastructure for AI agent networks where each network acts as a self-contained community with peer discovery, message passing, and coordinated collaboration over flexible protocols such as HTTP, WebSocket, and gRPC, and is designed to be protocol-agnostic and compatible with popular large language model providers and agent frameworks to support diverse deployment scenarios. Users can build their own agents with simple configurations or integrate custom logic and tools, connect them to one or more networks, and manage interactions using OpenAgents’ standard interfaces.Starting Price: Free
