Showing 210 open source projects for "backend"

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  • 1
    Spacebar Server

    Spacebar Server

    A reimplementation of the Discord.com backend, built with Typescript

    Spacebar Server is a Discord-compatible backend reimplementation written mainly in TypeScript. It aims to let users run a self-hosted communication server that can work with existing Discord-style bots, applications, and clients where compatibility allows. The repository includes the HTTP API server, WebSocket gateway, CDN server, WebRTC server, request and response schemas, database models, and administrative utilities.
    Downloads: 2 This Week
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  • 2
    FxFotos

    FxFotos

    "Fx Fotos" is an opensource gallery app in react native

    Photos is a react-native(expo)+typescript application to replace Google Photos/Apple Photos, and give freedom in hosting your photos on any platform, either centralized servers like Amazon or Microsoft, or decentralized solutions such as Dfinity or IPFS-based "box". It is optimized for decentralized platforms, but is backend-agnostic. Your can easily use it with the IPFS-based "box" or "Dfinity" to host your files and photos with the same experience you had using Google Photos, however, with full privacy.
    Downloads: 6 This Week
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  • 3
    Signal Server

    Signal Server

    Server supporting the Signal Private Messenger applications on Android

    Signal Server is the official backend server component that supports the Signal Private Messenger ecosystem on Android, iOS, and desktop platforms, serving as the trusted message relay, contact discovery, and push notification hub while the clients handle end-to-end encryption. Built in Java and licensed under the AGPL-3.0 license, this server software handles protocols for delivering encrypted messages, synchronizing user metadata like public keys and push tokens, and providing REST and service APIs for the client apps to interact with. ...
    Downloads: 15 This Week
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  • 4
    Convos

    Convos

    Convos is the simplest way to use IRC in your browser

    Convos is a persistent, multiuser, browser-based IRC client built using Mojolicious (backend) and Svelte (frontend). It keeps users continuously connected (even when browsers are closed), supports video chat, theming, inline media, and allows self-hosting on personal servers, cloud, or Docker. The supported chat protocol is currently IRC, but Convos can be extended to support other protocols as well. Backend powered by Mojolicious, frontend using Svelte framework.
    Downloads: 0 This Week
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  • 5
    Uppy

    Uppy

    The next open source file uploader for web browsers

    ...Saves battery and data plan by letting users pick files from Webcam, Dropbox, Google Drive and Instagram, while letting servers do the heavy lifting via Companion. Works great with the file encoding and processing backend from Transloadit, but also works great without. Open source and driven by the community We listen closely and adjust the project based on your feedback. File recovery (after a browser crash or accidental navigation) via Golden Retriever.
    Downloads: 7 This Week
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  • 6
    Stoat

    Stoat

    The software powering Stoat

    Stoat is an open-source communication platform and ecosystem designed to provide a modern alternative to traditional chat applications with support for self-hosting and extensibility. The project includes multiple components such as backend services, client applications, and supporting infrastructure, forming a complete messaging system that can be deployed across different environments. The repository for stoat.chat specifically serves as a central web hub that provides access to downloads, documentation, and information about the platform. StoatChat is built with modern technologies such as Rust and TypeScript and integrates with systems like Revolt to deliver real-time messaging capabilities. ...
    Downloads: 4 This Week
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  • 7
    VABlog

    VABlog

    YUV/PCM/H264/H265/AAC/FFmpeg/Opengl

    VABlog is a full-stack web application project that combines blogging functionality with multimedia and video-related features. It is designed as a learning-oriented system that demonstrates how to build a modern web platform with both frontend and backend components. The project includes user authentication, content publishing, and media management capabilities, allowing users to create and manage posts with embedded video content. It integrates database storage for handling user data, posts, and metadata, ensuring persistence and scalability. VABlog also showcases API design and interaction between client and server, enabling dynamic content updates and responsive user experiences. ...
    Downloads: 0 This Week
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  • 8
    Rain

    Rain

    BitTorrent client and library in Go

    ...It focuses on performance and simplicity, supporting both seeding and downloading operations with minimal system resource usage. Rain is ideal for automation, headless servers, and users who prefer terminal-based tools. It offers a clean API, making it easy to integrate into scripts and backend services that require torrent functionality. With its statically compiled binary and low dependency footprint, Rain can be easily deployed across different environments.
    Downloads: 8 This Week
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  • 9
    Telegram Web A

    Telegram Web A

    Telegram Web A, GPL v3

    ...It uses a custom front-end framework (called β€œTeact”) that re-implements React-style paradigms and pairs them with a custom version of the MTProto library (based on GramJS) to interact with Telegram’s backend infrastructure. The project achieved recognition (winning first prize in the Telegram Lightweight Client Contest) and serves as the code base behind the official web client available at web.telegram.org/a. The architecture takes advantage of advanced browser capabilities: WebSockets for real-time messaging, Web Workers and WebAssembly for performance-critical tasks, multi-level caching and PWA features for offline or near-offline usability, voice recording and media streaming, raw binary data handling and cryptographic operations. ...
    Downloads: 31 This Week
    Last Update:
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  • 10
    Cloud Torrent

    Cloud Torrent

    Cloud Torrent, a self-hosted remote torrent client

    ...A torrent can be viewed a folder with files, just like your local disk, and Dropbox. As long as it has a concept of files and folders, it could potentially be a cloud-torrent file-system backend. During a file tranfer, one could apply different transforms against the byte stream for various effect.
    Downloads: 12 This Week
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  • 11
    ownCloud Infinite Scale

    ownCloud Infinite Scale

    ownCloud Infinite Scale Stack

    ownCloud Infinite Scale (oCIS) is the modern, cloud-native evolution of ownCloud designed to deliver high performance and virtually unlimited scalability for enterprise file collaboration. Built with a microservices architecture in Go, it replaces the traditional monolithic server with a distributed system optimized for containerized and hybrid cloud environments. The platform focuses on providing a unified data access layer that can connect multiple storage backends while maintaining strong...
    Downloads: 10 This Week
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  • 12
    Isso

    Isso

    a Disqus alternative

    Isso is a lightweight commenting server written in Python and JavaScript. It aims to be a drop-in replacement for Disqus. Users can edit or delete own comments (within 15 minutes by default). Comments in moderation queue are not publicly visible before activation. You can migrate your Disqus/WordPress comments without any hassle. Embed a single JS file, 40kb (12kb gzipped) and you are done. It allows anonymous comments, maintains identity and is simple to administrate. It uses JavaScript and...
    Downloads: 4 This Week
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  • 13
    Centrifugo

    Centrifugo

    Scalable real-time messaging server in a language-agnostic way

    ...Centrifugo provides different types of subscriptions, hot channel history, instant presence, RPC calls. There is also the possibility to proxy WebSocket events to the application backend over HTTP or GRPC and more.
    Downloads: 12 This Week
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  • 14
    ShowDoc

    ShowDoc

    ShowDoc is a tool greatly applicable for an IT team to share documents

    ...ShowDoc is a tool greatly applicable for an IT team to share documents online. It can promote communication efficiency between members of a team. With the development of mobile Internet, BaaS (Backend as a Service) becomes more and more popular.
    Downloads: 10 This Week
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  • 15
    Diffuse

    Diffuse

    A music player that connects to your cloud/distributed storage

    A music player that connects to your cloud/distributed storage, in the form of a static, serverless, web application. Diffuse is a static web application, which means it's just HTML, CSS, and Javascript. No REST API, database, or anything backend-related is involved. The app uses a hash (aka. fragment-based) routing system, so you don't need any special server rules for routing. You can download a pre-build web-only version of Diffuse on the releases page. Diffuse uses service workers, so you may need HTTPS for it to work smoothly in certain browsers. I should also note that some source services use OAuth, so you'll need to use your own application credentials (eg. ...
    Downloads: 6 This Week
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  • 16
    blockfrost-js

    blockfrost-js

    Node.js SDK for the Blockfrost.io API

    ...While you may find a way to run it directly in a browser, we don't actively support or provide troubleshooting assistance with this scenario. We recommend setting up your own Node.js backend. Exposing your API keys in a frontend application is almost always a bad idea. Using the SDK is pretty straight-forward as you can see from the following examples. For more examples take a look in blockfrost-js-examples repository. Blockfrost Node.js SDK throws 2 types of errors, BlockfrostServerError and BlockfrostClientError. ...
    Downloads: 5 This Week
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  • 17
    Notifuse

    Notifuse

    Notifuse is an open-source & modern emailing platform

    Notifuse is an open-source, modern, self-hosted emailing and communications platform designed to replace proprietary services like Mailchimp, Brevo, and Klaviyo with a self-managed solution. It’s built with a Go backend and a React frontend to offer both developer-friendly APIs and a user-centric visual interface with enterprise-grade capabilities such as campaign creation, subscriber segmentation, and detailed analytics. Notifuse supports both newsletters and transactional emails through a RESTful API, letting organizations maintain full control over their email infrastructure without expensive per-message pricing. ...
    Downloads: 3 This Week
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  • 18
    Wire iOS

    Wire iOS

    Wire for iOS (iPhone and iPad)

    The Wire mobile app has an architectural layer that we call sync engine. It is the client-side layer that processes all the data that is displayed in the mobile app. It handles network communication and authentication with the backend, push notifications, local caching of data, client-side business logic, signaling with the audio-video libraries, encryption and decryption (using encryption libraries from a lower level) and other bits and pieces. The user interface layer of the mobile app is built on top of the sync engine, which provides the data to display to the UI. ...
    Downloads: 1 This Week
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  • 19
    Tinode Instant Messaging Server

    Tinode Instant Messaging Server

    Instant messaging platform

    Instant messaging server. Backend in pure Go (license GPL 3.0), client-side binding in Java, Javascript, and Swift, as well as gRPC client support for C++, C#, Go, Java, Node, PHP, Python, Ruby, Objective-C, etc. (license Apache 2.0). Wire transport is JSON over websocket (long polling is also available) for custom bindings, or protobuf with gRPC. Persistent storage is any one of RethinkDB, MySQL or MongoDB.
    Downloads: 0 This Week
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  • 20
    Chat/Messaging App Light and Dark Theme

    Chat/Messaging App Light and Dark Theme

    Flutter UI project for building a messaging app interface

    ...It includes multiple screens that cover the core visual flow of a chat application, starting with a welcome screen and moving into authentication and conversation views. The project is intended as a design and implementation reference rather than a complete messaging backend. It demonstrates how Flutter layouts can be structured for chat lists, message screens, onboarding, sign-in, and sign-up experiences. The dual theme support makes it useful for learning how to design consistent interfaces across different visual modes. It is best suited for Flutter learners and mobile developers who need a clean UI base for chat-style apps.
    Downloads: 0 This Week
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  • 21
    bifrost-gateway

    bifrost-gateway

    A lightweight IPFS Gateway daemon backed by a remote data store

    A lightweight IPFS Gateway daemon backed by a remote data store. bifrost-gateway provides a single binary daemon implementation of HTTP+Web Gateway Specs. All you need is a trustless gateway endpoint that supports verifiable response types. The minimum requirement is support for GET /ipfs/cid with application/vnd.ipld.raw (block by block).
    Downloads: 2 This Week
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  • 22
    Mail of Death
    ...Not for beginners. It consists of two components: Mail of Death.exe, (or mail_of_death.py) β€” a PyQt6 desktop controller that runs on your local machine. And server.py β€” FastAPI backend that runs on a virtual machine and handles all delivery, tracking, and data storage.
    Downloads: 0 This Week
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  • 23
    Astryx

    Astryx

    High-performance Windows downloader with a real-time local Web UI

    Astryx is a high-performance, Windows-native downloader with a real-time local Web UI. It prioritizes sustained throughput, reliability, and predictable behavior over burst scraping. The backend and UI run locally, providing live visibility into throughput, host health, and download state. The project is independently developed and released publicly as an early v0.x build. Keywords: Windows downloader, high-throughput, HTTP, local Web UI
    Downloads: 0 This Week
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  • 24

    WendzelNNTPd

    A free Usenet server with SQL backend and RBAC.

    The WendzelNNTPd is a IPv6-ready NNTP usenet-server with the main goal to be as easy to use as possible. It is portable (Linux/*BSD/*nix), supports AUTHINFO authentication, contains ACL as well as role based ACL and supports invisible newsgroups. It currently supports MySQL and SQLite backends.
    Downloads: 11 This Week
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  • 25
    Zimphony Webmail

    Zimphony Webmail

    Free white-label webmail and admin workspace for Zimbra deployment.

    Zimphony Webmail Free is now available for public/community distribution. Zimphony Webmail Free is a free white-label webmail and admin workspace layer for Zimbra deployments. It runs alongside an existing Zimbra mail backend and does not replace Zimbra. Zimbra remains the mail backbone, while Zimphony provides a branded customer-facing webmail/admin experience. Included in the Free package: - Mail UI - Contacts - Admin UI at /admin - 2FA support - Migration/import/export support - Free license-free package - No Zimphony License Server required Download page: https://www.zimphony.com/download/ Current target: Zimbra 10. ...
    Downloads: 0 This Week
    Last Update:
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