Best Free Application Development Software - Page 44
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Compare the Top Free Application Development Software as of June 2026 - Page 44
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1
SwiftUI
Apple
SwiftUI helps you build great-looking apps across all Apple platforms with the power of Swift — and surprisingly little code. You can bring even better experiences to everyone, on any Apple device, using just one set of tools and APIs. Build sophisticated animations with expanded animation support. Use phases to create sequences of animations, or create multiple animation tracks using keyframes. SwiftUI automatically transfers the velocity of a user gesture to your animations so your app feels fluid and natural. Share more of your SwiftUI code with your watchOS apps. Scroll vertical TabViews using the crown, match colors with adaptive background containers, take advantage of edge-to-edge displays with new ToolbarItem placements, and leverage NavigationSplitView to build detailed list views.Starting Price: Free -
2
ReByte
RealChar.ai
Action-based orchestration to build complex backend agents with multiple steps. Working for all LLMs, build fully customized UI for your agent without writing a single line of code, serving on your domain. Track every step of your agent, literally every step, to deal with the nondeterministic nature of LLMs. Build fine-grain access control over your application, data, and agent. Specialized fine-tuned model for accelerating software development. Automatically handle concurrency, rate limiting, and more.Starting Price: $10 per month -
3
osquery
osquery
osquery is an operating system instrumentation framework for Windows, OS X (macOS), and Linux. The tools make low-level operating system analytics and monitoring both performant and intuitive. Frequently, attackers will leave a malicious process running but delete the original binary on disk. This query returns any process whose original binary has been deleted, which could be an indicator of a suspicious process. Our build infrastructure ensures that newly introduced code is benchmarked and tested. We perform continuous testing for memory leaks, thread safety, and binary reproducibility on all supported platforms.Starting Price: Free -
4
The Easy API
The Easy API
We've been in business since 2010 and have a long history of always supporting our users. We work with you to build an API that gives your growing applications everything it needs. Our API returns responses in less than a second. That's the time that your application can get a response and keep processing. We help you save time and energy by implementing multiple APIs. You can get back to building your application after you connect with our single one. We track all the requests made to enable you to debug all API calls, making implementation even easier. There is currently one environment that is available which is production. You can use the following URLs along with sample code snippets. All endpoints produce UTF-8 character sets, please ensure your application can handle the characters.Starting Price: $5 per month -
5
Pyas
Pyas
With a single API, you can integrate with Google Calendar and Microsoft Outlook. You can also integrate with Zoom and Google Meet to add conferencing to calendar events. Our API can be implemented easily within your current tech stack, without the need to install any new dependencies. Simply use cURL or whatever HTTP client that you're already using to make API requests. OAuth configuration is as easy as providing a redirect URL for your app to Pyas. When connecting new accounts, Pyas will use that URL to redirect users to your app. You can generate as many API keys as you need. Keys are encrypted and you can set them to expire after a period of time if you need to create temporary API keys. Use your API keys to start managing calendar events.Starting Price: $45 per month -
6
Precise API
Forwardly
The Precise API offers essential insights into the financial health of business clients, including historical, real-time, and forecasted performance. The Precise API supports all leading accounting platforms with real-time push and pull functionality and is ideal for financial institutions, lenders, and fintechs that work with small and medium-sized businesses. A powerful add-on for the Precise API, Predict as a Service supports your business clients with a premium, white-label cash flow forecasting and scenario planning portal. Keep eyes on your products with a cash flow solution that will give your clients a reason to keep business data connected and engage with your brand for their financial needs.Starting Price: $5 per month -
7
Smartcar
Smartcar
Smartcar’s vehicle API enables you to verify mileage, manage EV charging, issue digital car keys, track fleets, and much more. Smartcar enables mobility businesses to integrate their apps and services with connected cars. Easily retrieve vehicle data and trigger actions with our simple and secure car API. Track a vehicle’s location, verify mileage, charge an EV, share a virtual key, and more. With our Smartcar Connect flow, your customers can instantly and effortlessly link their cars to your app. All it takes is four clicks directly from your mobile application or web portal. Our friendly documentation and SDKs allow you to quickly integrate our car API with every tech stack.Starting Price: $19.99 per month -
8
Daytona
Daytona
Daytona is a cloud-native development runtime that enables developers and AI agents to instantly create, run, and manage isolated sandboxes for any codebase. Each sandbox runs inside a secure microVM with full Linux compatibility, networking, and persistent storage. Daytona provides SDKs in Python and TypeScript, allowing applications to programmatically execute code, run processes, upload files, or spin up environments dynamically. Teams use Daytona to replace complex local setups with reproducible cloud sandboxes that can be started in seconds and accessed through preview URLs, SSH, or APIs. It’s built for automation, observability, and scalability, powering everything from personal development environments to enterprise-grade agent runtimes. -
9
ALTO
Brilliant Consulting
ALTO is an app for Slack that integrates with GitHub, Gitlab, and JIRA to improve your dev team productivity, gain visibility into the day-to-day work, and help build up healthy habits from day one! Receive Slack messages (DM or channel) about merge requests and pull requests that are pending merge to default branch and been waiting for too long. Promote one of the key Continuous Delivery practices - smaller changes shipped more frequently. ALTO collects Merge Request analytics and feedback about day-to-day work, combined with DORA metrics, giving YOU a full view of the dev team in a single place. This means you don’t have to waste time digging through this data. Set YOUR goals based on YOUR historical data, not some “industry standard”. This baseline helps team to be 5% better this sprint, then last sprint. Continuously improve team’s ways of working and align with the entire tech organization.Starting Price: $8 per user per month -
10
OpenJDK
Oracle
The place to collaborate on an open-source implementation of the Java platform, standard edition, and related projects. Download and install the latest open-source JDK. Oracle’s free, GPL-licensed, production-ready OpenJDK JDK 21 binaries for Linux, macOS, and Windows are available, Oracle’s commercially-licensed JDK 21 binaries, based on the same code, are available as well. Browse the code on the web, clone a repository to make a local copy, and contribute a patch to fix a bug, enhance an existing component, or define a new feature. OpenJDK provides source code that developers can use to build their binaries. Consequently, users are responsible for compiling the code and generating the Java runtime tailored to their specific platform. The JDK is a complex software project. Building it requires a certain amount of technical expertise, a fair number of dependencies on external software, and reasonably powerful hardware.Starting Price: Free -
11
Amazon OpenSearch Service
Amazon
Increase operational excellence by using a popular open source solution, managed by AWS. Audit and secure your data with a data center and network architecture with built-in certifications. Systematically detect potential threats and react to a system’s state through machine learning, alerting, and visualization. Optimize time and resources for strategic work. Securely unlock real-time search, monitoring, and analysis of business and operational data. Amazon OpenSearch Service makes it easy for you to perform interactive log analytics, real-time application monitoring, website search, and more. OpenSearch is an open source, distributed search and analytics suite derived from Elasticsearch. Amazon OpenSearch Service offers the latest versions of OpenSearch, support for 19 versions of Elasticsearch (1.5 to 7.10 versions), as well as visualization capabilities powered by OpenSearch dashboards and Kibana.Starting Price: $0.036 per hour -
12
Findr
Findr
Find everything across all apps with just one search bar and streamline work with AI-powered search. Stop wasting time asking for links and re-creating documents that already exist. Use AI-powered workplace search and instantly find anything you need. Chat with Findr to receive answers, generate summaries, and compose emails using relevant information, complete with document references. Sync your favorite set of apps like Gmail, Slack, Jira, Drive, etc. to answer customer queries in real-time, find information fast, and make decisions backed by company knowledge. Findr connects with your apps in real time, letting you use workplace search as soon as you connect your first app. Findr prioritizes security with robust encryption, secure infrastructure, and strict access controls. Dive deeper to understand how we protect every bit of information. We leverage search APIs to fetch the information in real-time.Starting Price: Free -
13
Curiosity
Curiosity
Curiosity is an enterprise-grade search and knowledge platform that connects information across your tools instantly. Designed for speed, security and scalability, Curiosity gives teams one place to search, discover and act on their data. With in-memory speed, results appear as you type; whether you’re searching internal systems, cloud apps or local files. Curiosity integrates seamlessly with tools like Google Drive, Confluence, Slack, SharePoint, Outlook and ServiceNow, unifying company knowledge without moving data. Setup is fast and flexible. Deploy it in minutes, connect your sources and empower your organization to find anything instantly. Built for enterprise needs, Curiosity supports secure on-device or self-hosted setups, ensuring complete data privacy and control. Fast setup. In-memory speed. Flexible for enterprise.Starting Price: €3.99/month -
14
Athina AI
Athina AI
Athina is a collaborative AI development platform that enables teams to build, test, and monitor AI applications efficiently. It offers features such as prompt management, evaluation tools, dataset handling, and observability, all designed to streamline the development of reliable AI systems. Athina supports integration with various models and services, including custom models, and ensures data privacy through fine-grained access controls and self-hosted deployment options. The platform is SOC-2 Type 2 compliant, providing a secure environment for AI development. Athina's user-friendly interface allows both technical and non-technical team members to collaborate effectively, accelerating the deployment of AI features.Starting Price: Free -
15
Momen
Momen
From MVP to scaled SaaS, build your custom apps with a smooth learning curve, all powered by Momen. Streamlined from prototype design to app deployment, with robust built-in backend, say farewell to traditional dev. Create apps in weeks, and iterate your ideas with ease, no coding needed. Project-based pricing without overage fees and third-party backend service, estimate costs upfront. Advanced collaboration workflows with access control, build fully custom apps for million-user projects from the start. Build every part of your product visually in Momen's drag-and-drop editor. Clarify user journey and interaction, and unleash your inner designer's creativity. See holistically how users journey through your product with our interactive and dynamic canvas. Watch your product come to life in real-time with live preview as you build and test its features, with the browser preserving the navigation state.Starting Price: $33 per month -
16
Swirl
Swirl
Swirl easily connects to your enterprise apps, and provides data access in real-time. Swirl provides real time retrieval augmented generation from your enterprise data securely. Swirl is designed to operate within your firewall. We do not store any data and can easily connect to your proprietary LLM. Swirl Search offers a groundbreaking solution, empowering your enterprise with lightning-fast access to everything you need, across all your data sources. Connect seamlessly with multiple connectors built for popular applications and platforms. No data migration required, Swirl integrates with your existing infrastructure, ensuring data security and privacy. Swirl is built with the enterprise in mind. We understand that moving your data just for searching and integrating AI is costly and in effective. Swirl provides a better solution, federated and unified search experience.Starting Price: Free -
17
Mindware
Mindware
Mindware is an API gateway that connects AI agents to the internet. We abstract away the coding and configuration required to interface with API services that enhance functionality, simplify real-time data retrieval, and automate workflows with a single API key. Whether you're a casual builder or shipping consumer-grade AI Agents, Mindware can help you interact with external APIs or perform specific tasks that require more than just text generation.Starting Price: $4.99 per month -
18
Svix
Svix
Webhooks require a lot more engineering time, resources and ongoing maintenance than you would first expect. Building a secure, reliable, and scalable webhook service is hard and time consuming. We built it so you can focus on what matters most, your business. Customer endpoints fail or hang more often than you think. You need automatic retries to ensure deliverability. You need to monitor the deliverability of your webhooks to different endpoints, disable failing ones and notify your customers. Webhooks come with a myriad of security implications, such as SSRF, replay attacks and unauthenticated webhook events. You would need to build a UI for your users to add and remove endpoints, inspect logs and get ongoing reports. Offer your users a great developer experience, including the ability to test, inspect and replay their webhooks.Starting Price: $490/month -
19
Middleware
Middleware
Middleware frees engineering managers from repetitive follow-ups to ensure smooth product delivery, and identification of workflow bottlenecks so they can remove any hiccups for their team. Middleware sits on top of the team's existing tools like GitHub, Calendar, and Jira and provides managers actionable insights to run their team efficiently and prevent their engineers from burning out. Single view which highlights areas to act on whether it is a delivery issue or a people issue. We bring insights using your PRs to find out which reviewer is the bottleneck or whether the team is just waiting long for reviews or reworking every code change. Spot if your team is too stretched on calls and deliveries to prevent burnout or boredom. Middleware 1:1s give you a look at the developer's performance and allow you to keep track of their growth areas and goals, hence helping you to grow your engineer as best you can.Starting Price: $16 per month -
20
esDynamic
eShard
Maximize your security testing journey, from setting up your bench to analyzing your data processing results, esDynamic saves you valuable time and effort, empowering you to unleash the full potential of your attack workflow. Discover the flexible and comprehensive Python-based platform, perfectly suited for every phase of your security analysis. Customize your research space to meet your unique requirements by effortlessly adding new equipment, integrating tools, and modifying data. Additionally, esDynamic features an extensive collection of materials on complex topics that would typically require extensive research or a team of specialists, granting you instant access to expertise. Say goodbye to scattered data and fragmented knowledge. Welcome a cohesive workspace where your team can effortlessly share data and insights, fostering collaboration and accelerating discoveries. Centralize and solidify your efforts in JupyterLab notebooks to share with your team.Starting Price: Free -
21
Defense Unicorns
Defense Unicorns
Defense Unicorns provides continuous delivery for national security systems, spanning cloud, on-prem, and edge environments in land, sea, air, and space domains. UDS removes the complexity and inefficiencies of government secure technology stacks. Seamlessly integrating mission capabilities with an open source 800-53 compliant platform (70% NIST compliant) and Infrastructure as Code (IaC) for your target environment, UDS creates a secure, declarative software bundle repeatedly deployable to all your environments without vendor locking your mission. The Defense Unicorns platform is open source, accessible, avoids vendor lock-in, and provides data independence. Defense Unicorns accelerates ATO timelines by leveraging a declarative cybersecurity stack that can be deployed in any cloud, on-prem, or edge environment. Defense Unicorns specializes in platform technologies that enable rapid and reliable delivery of capabilities across a wide range of mission and technology areas.Starting Price: Free -
22
Orchesty
Hanaboso
Enhance your stack! Open-source developer's tool for fast integrations and process orchestration. The integration layer simplifies the connection of applications and microservices, enabling them to function harmoniously. It offers seamless communication and efficient data flow control between the services. With a wide range of pre-built connectors and easy way to build your own components, you can effortlessly build custom integrations tailored to your specific needs. Simple creation of asynchronous processes between all integrated services. Orchesty provides robust tools for modeling, managing, scheduling, and controlling of running processes.Starting Price: $0 -
23
TheyDo Journey AI
TheyDo
CX and design teams map customer journeys to bring insights and data together. TheyDo enables your business to align strategy, planning, and delivery around journeys. With Journey AI you can turn research into high-quality journeys. Get everyone on the same page with a clear journey hierarchy and a set taxonomy. Set your business goals and show how tackling big opportunities across journeys delivers results. Most organizations have hundreds of journeys that make up the customer experience, Journey AI maps them all out. Create a consistent way of working with journeys at the heart of operations. When everything is important, nothing is. TheyDo helps to uncover top customer needs. Track work across teams and impact NPS and CSAT together. Onboard your entire organization with SSO and make sure all departments find their place around the customer journeys. Once you get to the point where you’re discovering opportunities that you wouldn’t have otherwise found, we offer three simple plans.Starting Price: $65 per month -
24
Grammatech Proteus
Grammatech
Proteus is an advanced software testing system for automatically finding and fixing vulnerabilities, with no false alarms, aimed at development groups, testing organizations, and cybersecurity teams. It discovers vulnerabilities that could be triggered by potentially malicious files or network inputs, including many common entries in the Common Weakness Enumeration (CWE). The tool supports Windows and Linux native binaries. By integrating and simplifying the use of state-of-the-art tools for binary analysis and transformation, Proteus lowers the costs and increases the efficiency and effectiveness of software testing, reverse engineering, and maintenance. Binary analysis, mutational fuzzing, and symbolic execution without the need for source code, and a professional-grade user interface for result aggregation and presentation. Advanced exploitability reporting and reasoning capability, and deployment in a virtualized environment or on a host system.Starting Price: Free -
25
Polar Signals
Polar Signals
Polar Signals cloud is an always-on, zero-instrumentation continuous profiling product that helps improve performance, understand incidents, and lower infrastructure costs. With just one command and the easiest onboarding guide you’ll ever see, you can start saving costs and optimizing performance in your infrastructure. Travel back in time to pinpoint incidents and issues. Profiling data provides unique insight and depth into what a process executed over time. Utilize profiling data collected over time to confidently and statistically identify hot paths for optimization. Many organizations have 20-30% of resources wasted with code paths that could be easily optimized. Polar Signals Cloud employs an exceptional blend of technologies, purpose-built to deliver the profiling toolset essential for today's evolving infrastructure and applications. With a zero instrumentation setup, deploy immediately and reap the benefits of actionable observability data.Starting Price: $50 per month -
26
Goptimise
Goptimise
Leverage AI algorithms to receive intelligent suggestions for your API design. Accelerate development with automated recommendations tailored to your project. Generate your database automatically with AI. Streamline your deployment process, and amplify your productivity. Design and implement automated workflows for a smooth and efficient development cycle. Tailor automation processes to fit your specific project requirements. Achieve a personalized development experience with adaptable workflows. Enjoy the flexibility of managing diverse data sources within a single, organized environment. Design workspaces that reflect the structure of your projects. Create dedicated workspaces to house multiple data stores seamlessly. Streamlining tasks through programmed processes, enhancing efficiency, and reducing manual effort. Each user spawns their own dedicated instance(s). Incorporate custom logic for complex data operations.Starting Price: $45 per month -
27
API Swan
API Swan
Elevate your development process with our robust API solution, and ensure stability, performance, and reliability in every release. Seamless Integration with CI/CD, forging a cohesive development pipeline. API Swan is driven by the mission to forge a software testing platform that stands as the pinnacle of affordability and reliability, designed expressly for engineering teams navigating the early-growth stage startup terrain. Ship products at 10x velocity, and catch more bugs, effortlessly. 24/7 application monitoring for uninterrupted performance. Auto-generates regression tests from network traffic. Cutting-edge automated test case design, seamlessly entwined within your workflow. Effortless automatic documentation of APIs and schemas, saving precious time.Starting Price: $89 per month -
28
StepSecurity
StepSecurity
If you are using GitHub Actions for CI/CD and are worried about the security of CI/CD pipelines, StepSecurity platform is for you. Implement network egress control and CI/CD infrastructure security for GitHub Actions runners. Discover CI/CD risks and GitHub Actions security misconfiguration. Standardize GitHub Actions CI/CD pipeline as code files by automated pull requests. Provides runtime security to help you prevent SolarWinds and Codecov CI/CD security attacks by blocking egress traffic with an allowlist. Instant contextualized insight into network and file events for all workflow runs. Control network egress traffic with granular job-level and default cluster-wide policies. Many GitHub Actions are not maintained and are risky. Enterprises fork such Actions, but ongoing maintenance is expensive. By offloading the tasks of reviewing, forking, and maintaining Actions to StepSecurity, enterprises can realize substantial risk reduction and time savings.Starting Price: $1,600 per month -
29
Mint CI/CD
RWX
Content-based caching prevents you from waiting on the same work twice. When you run the same command on the same set of files, Mint produces a cache hit instead of executing the task again. Semantic outputs provide you with a richly formatted, customized UI display of results that knows the difference between tests, linter errors, and more; not just a basic log file. The task-based DAG execution model lets you build simpler, more efficient workflows. It cuts out manual copy-paste efforts and runs with optimal parallelization. Remote debugging allows you to define breakpoints in a running task and open up a bash shell. Instead of blindly throwing darts at the dartboard to find bugs, Mint helps you figure out exactly what you need to change. The Mint CLI lets you decide whether to start a run locally on your machine or push code to test changes. No more pushing code just to test a minor change.Starting Price: $0.008 per minute -
30
StreamNative
StreamNative
StreamNative redefines streaming infrastructure by seamlessly integrating Kafka, MQ, and other protocols into a single, unified platform, providing unparalleled flexibility and efficiency for modern data processing needs. StreamNative offers a unified solution that adapts to the diverse requirements of streaming and messaging in a microservices-driven environment. By providing a comprehensive and intelligent approach to messaging and streaming, StreamNative empowers organizations to navigate the complexities and scalability of the modern data ecosystem with efficiency and agility. Apache Pulsar’s unique architecture decouples the message serving layer from the message storage layer to deliver a mature cloud-native data-streaming platform. Scalable and elastic to adapt to rapidly changing event traffic and business needs. Scale-up to millions of topics with architecture that decouples computing and storage.Starting Price: $1,000 per month
