Best Free Application Development Software - Page 66
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Compare the Top Free Application Development Software as of November 2026 - Page 66
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1
Gerrit Code Review
Gerrit
Read old and new versions of files with syntax highlighting and colored differences. Discuss specific sections with others to make the right changes. Gerrit includes Git-enabled SSH and HTTPS servers compatible with all Git clients. Simplify management by hosting many Git repositories together. Schedule git gc over all managed repositories and replicate to geographical mirrors for latency reduction and backup servers for hot spare redundancy. Gerrit Code Review can be extended and further customized by installing server-side plugins. Source code for additional plugins can be found through the project listing. -
2
Buildkite
Buildkite
Run the open-source buildkite-agent on your own infrastructure for maximum speed, control, and security. The agent checks out your source code, executes custom hooks and overrides, and then runs your build jobs. Your source code never leaves your infrastructure. You can install the agent using one of our packages and binaries for almost every platform and architecture, including Ubuntu, Debian, Mac, Windows, Docker, and more. The agent’s artifact and meta-data storage allows for share-nothing, state-free build jobs that can be easily distributed and scaled across any number of agents. Run as many build agents as you need (up to 10,000 connected per account), without breaking a sweat. The open-source Elastic CI Stack for AWS gives you an easy-to-maintain, elastically scaling CI stack in your own AWS account. Or if you prefer to roll your own, you can use the tools you’re already familiar with in your production environments (such as Packer and Terraform).Starting Price: $15 per user per month -
3
Bazaar
Canonical
Bazaar is a version control system that helps you track project history over time and to collaborate easily with others. Whether you're a single developer, a co-located team or a community of developers scattered across the world, Bazaar scales and adapts to meet your needs. Part of the GNU Project, Bazaar is free software sponsored by Canonical. Ease of use is a core value for Bazaar and there are many places where our focus on usability shines though. We identify revisions using sequential numbers per branch, not per repository (like Subversion and Mercurial) or hash strings (like Git). Our GUI log dialog is intuitive, looking very similar to what Subversion and CVS users expect. As shown, bugs can be associated with changes. Our storage format directly supports that: there’s no need to massage important metadata into specially formatted commit messages. Note also that many revisions can be expanded out to see the local commits made to deliver each larger change. -
4
Form.io
Form.io
Form.io is an enterprise class combined form and API data management platform for developers who are building their own complex form-based business process applications. Our platform is used by companies all over the world, from startups, to SMBs, to large enterprises, who operate in a wide range of business verticals including healthcare, government, banking and finance, insurance, legal, online retail, compliance, multi-tenanted technology platforms, software development agencies, and many more. Due to our unique “serverless” application architecture, our forms and APIs can be embedded seamlessly into both the front end and server side of your platform applications, and can solution even the most complex requirements that come with mobilized business process applications.Starting Price: $25 per month -
5
AstraKode Blockchain
Astrakode
AstraKode Blockchain (AKB) is a low-code, web-based platform for enterprise blockchain solutions and smart contracts development, testing and deployment. The platform currently offers: The Network Composer, a guided visual IDE where users can design and easily configure a permissioned blockchain network (Hyperledger Fabric). At any point in time, users are also able to generate and download the network’s source code, which can then be either deployed locally or on distributed machines via automated scripts. Smart Contract IDE is a powerful tool that makes developing and deploying your blockchain application simple by creating a visual environment for smart contracts (Hyperledger Fabric, Solidity). This offers a higher level of abstraction, resulting in intuitive learning by doing. A Discord-hosted community for product and technology discussion and tutorials and a wiki linked to the platform for documentation and configuration guides foster open and responsive communication. -
6
Drone
Harness
Configuration as a code. Pipelines are configured with a simple, easy‑to‑read file that you commit to your git repository. Each pipeline step is executed inside an isolated Docker container that is automatically downloaded at runtime. Any source code manager. Drone integrates seamlessly with multiple source code management systems, including GitHub, GitHubEnterprise, Bitbucket, and GitLab. Any platform. Drone.io natively supports multiple operating systems and architectures, including Linux x64, ARM, ARM64 and Windows x64. Any language. Drone works with any language, database or service that runs inside a Docker container. Choose from thousands of public Docker images or provide your own. Create and share plugins. Drone uses containers to drop pre‑configured steps into your pipeline. Choose from hundreds of existing plugins, or create your own. Drone makes advanced customization easy. Implement custom access controls, approval workflows, secret management, yaml syntax extensions& more. -
7
Concourse CI
Concourse CI
Concourse is an open-source continuous thing-doer. Built on the simple mechanics of resources, tasks, and jobs, Concourse presents a general approach to automation that makes it great for CI/CD. A Concourse pipeline is like a distributed, continuous Makefile. Each job has a build plan declaring the job's input resources and what to run with them when they change. Your pipeline is then visualized in the web UI, taking only one click to get from a failed job to seeing why it failed. The visualization provides a "gut check" feedback loop: if it looks wrong, it probably is wrong. Jobs can depend on other jobs by configuring passed constraints. The resulting chain of jobs and resources is a dependency graph that continuously pushes your project forward, from source code to production. All configuration and administration is done using the fly CLI. The fly set-pipeline command pushes the config up to Concourse. Once it looks good, you can then check the file in to source control.Starting Price: Free -
8
Qwiet AI
Qwiet AI
The Fastest Code Analysis, Hands Down. 40X faster scan times so developers never have to wait for results after submitting pull requests. The Most Accurate Results. Qwiet AI has the highest OWASP Benchmark score, which is nearly triple the commercial average and more than double the 2nd highest score. Developer-Centric Security Workflows. 96% of developers report that disconnected security and development workflows inhibit their productivity. Implementing developer-centric AppSec workflows decreases mean-time-to-remediation (MTTR), typically by 5X - enhancing both security and developer productivity. Automatically Find Business Logic Flaws in Dev. Identify vulnerabilities that are unique to your code base before they reach production. Achieve Compliance. Demonstrate and maintain compliance with security and privacy regulations such as SOC 2, PCI-DSS, GDPR, and CCPA.Starting Price: Free -
9
Brakeman
Brakeman
Brakeman is a security scanner for Ruby on Rails applications. Unlike many web security scanners, Brakeman looks at the source code of your application. This means you do not need to set up your whole application stack to use it. Once Brakeman scans the application code, it produces a report of all security issues it has found. Brakeman requires zero setup or configuration once it is installed. Just run it. Because all Brakeman needs is source code, Brakeman can be run at any stage of development: you can generate a new application with rails new and immediately check it with Brakeman. Since Brakeman does not rely on spidering sites to determine all their pages, it can provide more complete coverage of an application. This includes pages which may not be ‘live’ yet. In theory, Brakeman can find security vulnerabilities before they become exploitable. Brakeman is specifically built for Ruby on Rails applications, so it can easily check configuration settings for best practices. -
10
PowerShell
Microsoft
PowerShell is a cross-platform task automation and configuration management framework, consisting of a command-line shell and scripting language. Unlike most shells, which accept and return text, PowerShell is built on top of the .NET Common Language Runtime (CLR), and accepts and returns .NET objects. This fundamental change brings entirely new tools and methods for automation. Unlike traditional command-line interfaces, PowerShell cmdlets are designed to deal with objects. An object is structured information that is more than just the string of characters appearing on the screen. Command output always carries extra information that you can use if you need it. If you've used text-processing tools to process data in the past, you'll find that they behave differently when used in PowerShell. In most cases, you don't need text-processing tools to extract specific information. You directly access portions of the data using standard PowerShell object syntax.Starting Price: Free -
11
GuardRails
GuardRails
Empowering modern development teams to find, fix and prevent vulnerabilities related to source code, open source libraries, secret management and cloud configuration. Empowering modern development teams to find, fix, and prevent security vulnerabilities in their applications. Continuous security scanning reduces cycle times and speeds up the shipping of features. Our expert system reduces the amount of false alerts and only informs about relevant security issues. Consistent security scanning across the entire product portfolio results in more secure software. GuardRails provides a completely frictionless integration with modern Version Control Systems like Github and GitLab. GuardRails seamlessly selects the right security engines to run based on the languages in a repository. Every single rule is curated to decide whether it has a high security impact issue resulting in less noise. Has built an expert system that detects false positives that is continuously tuned to be more accurate.Starting Price: $35 per user per month -
12
RapidAPI
Nokia
RapidAPI for Mac is a powerful HTTP client designed specifically for macOS, enabling developers to test, build, and document APIs in one intuitive interface. It allows users to send various HTTP requests, inspect server responses, and iterate quickly during development. With its clean and native macOS design, developers can easily compose requests and manage API workflows without complexity. The tool also supports API description using JSON Schema and integrates with standards like Swagger and RAML. It simplifies API development by combining testing and documentation in a single environment. Developers can generate client code and export API definitions seamlessly. Overall, RapidAPI for Mac helps streamline API development with speed and efficiency. -
13
NServiceBus
Particular Software
The most developer-friendly service bus for .NET. More than 50,000 developers rely on NServiceBus every day. Backed by a rock-solid distributed development methodology, a worldwide community of experts, consultants and contributors, NServiceBus offers enterprise-grade scalability and reliability for your workflows and integrations without any messy XML configuration - just pure-code bliss. NServiceBus highlights High performance and scalability, Extensively used in many mission-critical systems, business domains and usage scenarios. NServiceBus scalability and performance capabilities are battle-tested and ready for the toughest assignments. Reliable integration with automatic retries. Reliable by default, with built-in configurable mechanisms to retry on failure using messaging best practices and lessons learned from thousands of production usage scenarios. Workflow and background task scheduling. -
14
WorkplaceBuddy
WorkplaceBuddy
Drive Microsoft 365 adoption. Increase productivity by smart training through Microsoft Teams app with e-learning and chatbot. A successful workplace with Microsoft 365. Our chatbot answers all your questions, become smarter with our e-learnings. Digital skills scan, support and personal learning journey. Get insights in the digital dexterity and skills of your organization along with clear reporting on where to improve. Based on the results colleagues get a personal learning journey with relevant e-learnings. Digital adoption platform: e-learnings and chatbot. From questions to continuous learning: the chatbot is available for any question regarding Microsoft 365, receive e-learnings matching your profile and become more skilled in a fun way! Increase productivity and save support costs. Bring Microsoft 365 adoption to your organization at scale and make your workplace more efficient. Save support time and build a skilled digital workforce!Starting Price: €6.99 per month -
15
Railz
Railz.ai
Railz is building the largest financial data network by bridging the connection between future-thinking financial institutions and real-time accounting data. Railz accomplishes this through an API that connects financial institutions to all major accounting software solutions, such as QuickBooks, Xero, and Sage. We offer financial institutions (FIs) the ability to connect with account service providers, collect data, normalize and sanitize that accounting data, and analyze it. Railz enables on-demand access to financial transactions, analytics, insights and reports on small and medium business (SMB) customers. Whether you’re a lender, financial institution, accounting firm, auditor, or startup developer that requires financial data, we can make this a reality for you - and fast. -
16
Mockoon
Mockoon
Mockoon offers tons of features that makes API mocking a breeze. Get Mockoon latest version and start creating mock APIs! Create an unlimited number of mock API with unlimited number of routes and run them in parallel. Use the CLI to run your mock APIs in any headless or automated environment: servers, CI, GitHub Actions, etc. Mock API import / export with Swagger/OpenAPI format support. Serve multiple rules-triggered or random responses with any headers body, or HTTP status codes. Serve your mock API over TLS with self-signed certificate. Add any response headers to your routes and mock API. With auto-completion. Add latency at environment or route level or even both. All incoming requests and outgoing responses are logged for easier debugging. Redirect all non-defined routes to the specified host with Mockoon's proxy mode. File serving with automatic mime type detection and templating support. -
17
MockFlow
MockFlow
Super easy tool to brainstorm UI ideas. MockFlow is the complete UI planning platform that your team needs to kickstart software projects. Rapidly sketch interface layouts in a short time without any complexity. Full featured and intuitive editor that brings your concepts to life. Thousands of pre-built components and layouts to draw any UI. Play, review or present your UI drawings in preview mode. Ideas always evolve, so do UI. Iterate faster with revision tracker. Draw UI collaboratively in MockFlow with its powerful cloud features such as role-based permissions, real time editing, annotated comments and design approvals to name a few. Create beautiful StyleGuides in minutes to document your brand's UI guidelines. Also, auto-generate design specifications and documentation from wireframes.Starting Price: $15 per user per month -
18
Stadium
Twenty57
Stadium allows you to rapidly build and host web applications using a drag and drop interface. It is a versatile developer tool that easily connects to databases and APIs to quickly produce data-rich web applications.Starting Price: $19 per month -
19
Eclipse Theia
Eclipse Foundation
Eclipse Theia is an extensible platform to develop multi-language Cloud & Desktop IDEs with state-of-the-art web technologies. Not sure whether you need a web or desktop version or both? With Theia you can develop one IDE and run it in browsers or native desktop application from a single source. The Theia project is hosted at the Eclipse Foundation, a not-for-profit corporation, and is developed by a diverse community. Unlike other "open-source" projects, projects hosted at an Open-Source Foundation are protected against single-vendor decisions against the interest of the diverse community. Theia is designed in a modular way to allow extenders and adopters customizing and extending every aspect of it. Composing a custom IDE-like product is as easy as listing all needed extensions in a package.json file. Adding new functionality by implementing your own extensions is easy, too and provides all the flexibility you need.Starting Price: $0 -
20
StackBlitz WebContainers
StackBlitz
StackBlitz WebContainers bring a full Node.js runtime directly into the browser, enabling instant, secure, and interactive development environments inside any web app. Developers can run native npm, pnpm, and yarn at speeds up to 10× faster than local, without needing external servers. The API lets you boot containers, mount files, install dependencies, and run dev servers entirely client-side. WebContainers support major frameworks, Wasm workloads, and modern browsers, making them ideal for tutorials, sandboxes, docs, and AI-driven developer tools. With isolated, disposable environments, teams can offer a seamless coding experience that feels native and eliminates backend overhead. The result is a powerful platform that transforms web apps into full-featured IDEs. -
21
Hasura
Hasura
Hasura lets you use existing databases - letting you extend existing systems and skills. Create GraphQL endpoints easily for Postgres, MySQL and SQL Server. To go farther by joining your data to different data sources and REST services, add custom business logic, and create subscriptions and real-time events. Instant GraphQL that scales to power your web, mobile, and data integration projects. Point Hasura at your databases and instantly get a rich, realtime API instantly, without disrupting your existing apps. Hasura comes with a highly granular rule & role based authorization engine for your GraphQL APIs. Extend your API by adding business logic in any language or framework & trigger workflows based on them. Hasura is used in mission critical applications across Fortune 500 companies and is helping enterprises teams deliver on their strategic initiatives.Starting Price: $99 per project per month -
22
Copado
Copado
The first DevOps Value Stream Platform for Salesforce. Learn more about Copado’s transformative Winter ’21 release. Copado DevOps delivers a continuous stream of value from your cloud platform to your business’s bottom line. Build release pipelines to deploy Salesforce metadata and seamlessly synchronize all of your orgs. Simplify sprint and feature planning with user stories, epics and integrations with Azure DevOps, Jira and more. Leverage built-in quality gates and testing automation to improve quality and ensure compliance. And do it all on the secure, trusted Salesforce Platform. Measure and monitor with DevOps 360 Analytics and continually improve agile adoption and processes with Value Stream Maps. Our flexible architecture allows you to work with the version control, ALM and automation tools you already use. With the #1 Native DevOps solutions for Salesforce, teams see value in weeks, not months or years.Starting Price: $10,000 per year -
23
FF4J
FF4J
Feature flags for java made easy. Enable. and disable features at runtime - no deployment. Implement multiple paths in your code with predicates evaluated dynamically (if/then/else). Enable features not only with flag values but also drive access with roles and groups (Canary Release). Different frameworks supported starting by Spring Security. Implement custom predicates (Strategy Pattern) to evaluate if a feature is enabled. Some are provided out of the box: White/Black lists ,Time based, Expression based. Connect external source like a Drools rule engine. Keep your code clean and readable: Avoid nested if statements but use annotations. Thanks to Spring AOP target implementation is pick at runtime, and thus driven by feature statuses. For each features execution, ff4j evaluates the predicate therefore it's possible to collect and record events, metrics to compute nice dashboards or draw curves for features usage over time. -
24
Togglz
Togglz
Togglz is an implementation of the Feature Toggles pattern for Java. Feature Toggles are a very common agile development practices in the context of continuous deployment and delivery. The basic idea is to associate a toggle with each new feature you are working on. This allows you to enable or disable these features at application runtime, even for individual users. Feature Toggles are very useful especially in the context of agile development practices and are used by big sites like Flickr. The basic idea is to have a configuration file that defines a bunch of toggles for various features you have pending. The running application then uses these toggles in order to decide whether or not to show the new feature. As this toggle is disabled by default you can safely deploy the application to the production servers even if the feature is not completely finished and tested. If the feature implementation is complete you can enable it in the production system at any point in time. -
25
Fluree
Fluree
Fluree is an immutable RDF graph database written in Clojure and adhering to W3C standards, supporting JSON and JSON-LD while accommodating various RDF ontologies; it boasts a scalable, cloud-native architecture utilizing a lightweight Java runtime, with individually scalable ledger and graph database components, embodying a "Data-Centric" ideology that treats data as a reusable asset independent of singular applications, underpinned by an immutable ledger that secures transactions with cryptographic integrity, alongside a rich RDF graph database capable of various queries, and employs SmartFunctions for enforcing data management rules, including identity and access management and data quality. -
26
Atra
Atra Blockchain Services
Build unstoppable applications. Next gen web services that harness the power of Web3. Atra is a cloud computing platform with native support for the public Ethereum blockchain network - giving you a single platform to build and maintain the applications that will power the future. Whether you’re prototyping an idea or building a top-notch product, atra’s expanding suite of fully-managed web services will help you ship applications quickly and easily. Our fully-managed services are the perfect entry point for businesses to start exploring public blockchain use-cases. Atra supports a quick development pace, helps you streamline your workflow and avoid boilerplate tasks, removes friction and allows you to manage your application easily - all from one single platform. Learning Web3 development doesn’t have to be hard. Build an entire application end-to-end with no code on the Atra platform, making it one of the most satisfying learning resources available. -
27
Evinced
Evinced
Enterprise grade digital accessibility platform for modern software development teams. Weave accessibility into all facets of software development - Design, development, automated testing, QA testing, and production monitoring. Large enterprises are making Evinced their platform of choice for accessibility engineering operations. Evinced helps them automatically detect issues, fix the issues and collaborate on accessibility. Browser extensions, SDKs for integration with automated tests, and scanning solutions for pre-production and production environments. Accessibility debugger browser extension, SDK/CLI for pre-commit checks. SDK for integration with automated tests, Scanning for on-premises dev/QA environments. User flow analyzer browser extension. SaaS to scan entire websites/web applications including SPAs, and behind-login. iOS SDK + Desktop Client to automatically discover accessibility issues in iOS apps. -
28
motepair
Atom
Remote pair programming tool for Atom. Lag free! We’ve done a basic integration with Share.js to allow concurrent editing via OT and bind some Atom events to a websocket, like opening/closing/saving files. Use the Atom package manager, which can be found in the Settings view or run apm install motepair from the command line. Open the project to start collaborating via the Motepair, connect command (you can trigger this command via Cmd+Shift+P). Please make sure that peers to open the same project directory. This is a very important step as we rely on the relative project path to identify the correct file. Deploy your own server easily on Heroku. The connection right now it is not encrypted if you have problems with that, please do not use it. That is part of the backlog. Be aware that this package is still in development, so it can be unstable, we are working hard to make the Remote Pair programming a better experience to all. -
29
CodeStream
New Relic
CodeStream is an open-source extension for VS Code, Visual Studio, and JetBrains. CodeStream supercharges development workflows by putting collaboration tools in your IDE. It supports pull requests from GitHub, BitBucket and GitLab, issue management from Jira, Trello, Asana and 9 others, and provides code discussion that ties it all together, integrated with Slack, MS Teams, email, and in-editor notifications. Understand, review, and write code faster with CodeStream. Get answers as easy as “select the code, type your question." Save institutional knowledge where it belongs: with your source code. Integrates with Slack, Microsoft Teams, Email and offers in-editor notifications. Comment on code is as simple as: select the code, type your question. Code authors are automatically at-mentioned based on git blame info. Conversation threads are tied to code locations across branches and as new code merges in.Starting Price: $8.33 per user per month -
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Toast
Toast
Stay in the loop. Unblock teammates. Protect hack time. We support full on-premise installation. Shipped as a docker container for a seamless setup. Toast integrates GitHub into Slack. Toast will stay free for: teams of 3 and under, open source projects, academic pursuits, etc. It is Toast Ninja Inc.'s policy to respect your privacy regarding any information we may collect from you across our website, https://toast.ninja, and other sites we own and operate. In order to use Toast, you will be asked to install the Toast GitHub App to your GitHub organization. Installing the GitHub App grants us API access to your GitHub issues, members, metadata, status checks and pull requests. We collect the names, profile photos, names, and usernames of members of your GitHub organizations. We do not request or obtain access to your source code.Starting Price: $4 per user per month
