Open-Source

Activepieces.com is an open-source, no-code business automation platform. It enables users to automate tasks across various business functions such as marketing, sales, and IT operations. The platform offers customizable workflows, real-time automation, and integration with popular tools like Slack, Google Drive, and HubSpot. Activepieces supports self-hosting for enhanced control and privacy, and provides a user-friendly interface for creating and managing automations.

Aiven offers managed open-source data infrastructure services for cloud environments, including databases like PostgreSQL, MySQL, and data tools like Apache Kafka. It ensures high security, compliance, and seamless deployment, helping businesses optimize costs and accelerate development.

AndroidIDE is an open-source integrated development environment for building Android applications directly on Android devices. It supports Gradle-based projects, includes a code editor with code completions, actions, and analysis, and offers a built-in terminal based on Termux. The platform allows for the seamless building of Android Studio projects and supports exporting apps as AAB files for Play Store publication.

Apache Guacamole is a clientless remote desktop gateway supporting protocols like VNC, RDP, and SSH. It uses HTML5, allowing access via any web browser without needing plugins or client software. Guacamole can be hosted in the cloud, providing flexible and resilient desktop access. It is free, open-source, and backed by community and commercial support.

NetBeans is an open-source Integrated Development Environment (IDE) for developing applications in Java, PHP, and other programming languages. It features code editors, templates, and project management tools, along with debugging and testing support. The platform supports a wide range of technologies and is extensible through plugins, making it versatile for various development needs.

Appsmith is an open-source, low-code platform for building custom internal tools. It enables teams to quickly create, deploy, and manage applications with enterprise-level security. Users can integrate various data sources, customize apps with JavaScript, and leverage over 45 widgets for UI design. Appsmith offers both free and usage-based pricing, with self-hosting options for greater control.

Appwrite is an open-source backend-as-a-service platform, providing essential tools like authentication, databases, storage, serverless functions, and real-time capabilities. It supports multiple programming languages and frameworks, ensuring secure and scalable app development. Appwrite offers both self-hosted and cloud deployment options for flexible integration.

Aptabase is an open-source analytics platform designed for mobile, desktop, and web applications, emphasizing user privacy and simplicity. It offers real-time data updates, event tracking, and a mobile-first dashboard. Aptabase does not use device identifiers, cookies, or fingerprinting, ensuring anonymous data collection and full compliance with privacy regulations like GDPR and CCPA.

Bitwarden is an open-source password manager that allows users to securely store and manage their passwords, credentials, and other sensitive information. It offers end-to-end encryption, multi-factor authentication, and cross-platform support, making it easy to access your passwords on any device.

Brackets is a modern, open-source text editor designed for web development, blending visual tools directly into the editor for a seamless workflow. It features inline editing, live preview, and preprocessor support, making it ideal for web designers and front-end developers.

Budibase is an open-source platform for building internal tools, offering a low-code environment to create and deploy web applications quickly. It supports connecting to various data sources, automating workflows, and customizing UI with ease.

Cauldron is a platform for open-source project analytics that helps communities and organizations gain insights into their development activities. It aggregates data from various sources like GitHub, GitLab, and mailing lists, offering detailed metrics on code contributions, collaboration patterns, and project health.

CDNJS is a free, open-source content delivery network (CDN) for web development libraries, including JavaScript, CSS, and fonts. It hosts a vast collection of popular libraries, ensuring fast, reliable, and easy access to these resources for developers. CDNJS supports automatic versioning and offers a global distribution network to optimize content delivery speed.

Circum Icons is a collection of open-source icons designed for modern web and mobile applications. The icons are minimalist and versatile, with a focus on clarity and simplicity. The collection is continuously updated, and developers can easily customize and integrate these icons into their projects.

Codeberg is a nonprofit, community-driven platform for hosting Git repositories. It offers a free, open-source alternative to commercial platforms like GitHub, emphasizing privacy, transparency, and user control. Codeberg supports collaborative development, issue tracking, and code review while aligning with ethical standards and open-source principles.

Code::Blocks is a free, open-source IDE primarily for C, C++, and Fortran. It's designed to be highly extensible and customizable, allowing users to add functionality via plugins. It supports features like fast build systems, parallel builds, and enhanced debugging tools.

Codenotary secures software supply chains by providing tools for real-time risk assessment, component analysis, and compliance management. It ensures software integrity with tracking, attestation, and Software Bill of Materials (SBOMs), supporting compliance with standards like NIST and FedRAMP.

Cypress.io is a powerful, open-source testing framework for modern web applications, providing end-to-end, integration, and unit testing capabilities. It offers a user-friendly interface, real-time testing, and debugging directly in the browser, making it easy to create and maintain tests. Cypress integrates with popular CI/CD tools, ensuring seamless automation and continuous testing.

ForwardEmail.net is a free, privacy-focused, open-source email forwarding service that allows users to send and receive emails with custom domains. It emphasizes security by not storing logs or emails on disk, relying on in-memory processing. The service supports encrypted email storage, custom domain management, disposable addresses, and multiple recipients.

Gatsby is an open-source framework based on React, designed for building fast, secure, and scalable websites. It offers features like Server-Side Rendering (SSR), Deferred Static Generation (DSG), and a unified GraphQL data layer for integrating various APIs and services.

GlitchTip is an open-source platform for error tracking, performance monitoring, and uptime management. It offers real-time error collection, integrates with Sentry SDKs, and provides simple, affordable solutions for monitoring software. Users can opt for a hosted version or self-host it on their own servers.

GoatCounter is an open-source privacy-friendly web analytics platform that does not track personal data. It offers easy-to-use analytics without the complexity of traditional tools like Google Analytics. Users can choose a free hosted service or self-host it.

Google Fonts is a library of free and open-source fonts, offering a vast collection of typefaces for use in web and print projects. It provides easy browsing, quick previews, and simple integration with CSS for web development. The fonts are optimized for performance and compatibility across different devices and platforms.

Keploy is an open-source platform for converting API calls into test cases with data mocks. It captures network interactions, automates API testing, and generates stubs. Keploy integrates with tools like JUnit, PyTest, Jest, and Go-Test, aiding CI/CD pipelines. It simplifies testing by recording and replaying complex API flows, finding redundant tests, and ensuring efficient test coverage.

Logto is an open-source authentication and authorization platform designed as an alternative to Auth0. It supports a wide range of frameworks and offers features like passwordless login, enterprise SSO, social sign-ins, and multi-factor authentication.

Lucide is an open-source icon library designed for use in web and mobile applications. It provides a comprehensive collection of crisp, customizable icons that are easily integrated into projects. Lucide focuses on simplicity, flexibility, and modern design, making it a popular choice for developers looking to enhance their user interfaces with visually appealing icons.

MarkdownTools.com offers a suite of free, open-source tools for working with Markdown. It includes converters for generating Markdown from HTML, and tools for converting Markdown into various formats like HTML, JSON, and CSV. Additionally, it provides utilities to create, edit, and convert Markdown tables from Google Sheets, Excel, and CSV files.

Mattermost is an open-source collaboration platform designed for secure team communication. It offers messaging, file sharing, and task management in a single interface.

Mocko is an open-source tool that allows developers to create and manage mock APIs for testing and prototyping. It provides a simple way to simulate APIs without needing a backend, supporting features like custom responses, request routing, and proxying.

Neocities is a platform for creating and hosting free websites with a focus on creativity and user control. It offers tools like an in-browser HTML editor, file uploading and custom domains. No ads, strong privacy, and fast site performance through its own CDN. It supports static web hosting with features like RSS feeds, developer tools, and open-source code.

NotABug.org is a free, open-source platform for hosting Git repositories, similar to GitHub but with a focus on promoting free software and privacy. It allows developers to collaborate on projects, track issues, and manage code with a strong emphasis on user control and data ownership. The platform supports public and private repositories, making it a versatile option for open-source developers.

Novu is an open-source notifications infrastructure and framework for developers. It provides a flexible, code-first approach to building and managing notifications across multiple channels, including email, SMS, push, and in-app messaging. Novu offers powerful workflows, end-user preferences, and easy integration with existing tools.

Nx is an open-source build system that provides powerful, extensible tools for monorepo development, with built-in support for CI/CD workflows. It integrates seamlessly with various CI services and helps automate complex processes like caching, testing, and deployments.

Orchest.io is an open-source platform for building, running, and managing data pipelines. It provides a visual interface for designing workflows, allowing users to integrate various data tools and scripts seamlessly. Orchest.io supports collaboration, enabling data teams to develop, test, and deploy data workflows efficiently.

Ory.sh is an open-source platform that provides identity and access management (IAM) solutions for developers. It offers tools for managing authentication, authorization, and user identities across applications. Ory's suite includes services like Ory Kratos for user management, Ory Hydra for OAuth2 and OpenID Connect, and Ory Keto for access control.

Pagure is an open-source, self-hosted Git repository hosting service. It is designed for collaboration on projects with features like pull requests, issue tracking, and project forking. Pagure is particularly popular in open-source communities and provides a lightweight alternative to platforms like GitHub, tailored for Fedora and other open-source projects.

Pijul is a distributed version control system (DVCS) that uses a unique patch-based approach for managing changes, making it easy to apply independent changes in any order without altering the final result. It emphasizes merge correctness, where conflicts are treated as a standard scenario rather than failures.

Plasmic is an open-source visual editing platform designed for building websites and applications quickly and efficiently. It allows seamless integration with existing codebases, providing tools for creating custom UIs, connecting to various data sources, and managing content. It supports real-time collaboration, empowering non-developers to build and publish, and offers deployment flexibility.

Robocorp is an open-source platform for building and operating Python-based automation bots. It offers tools for creating, managing, and deploying bots, with features like code management, cloud deployment, and integrations with various applications. The platform supports automation at scale, secure data handling, and advanced AI functionalities.

Stamen Maps provides custom, open-source map tiles designed for creative and artistic purposes. The maps are rendered in unique styles like watercolor, toner, and terrain, making them ideal for web developers and designers looking for visually distinct cartography. These maps are free to use, with attribution, and can be integrated into various projects via APIs.

SuperTokens is an open-source authentication solution that provides secure and scalable login functionality for web and mobile applications. It offers features like session management, passwordless login, social login, and multi-tenancy support, all while focusing on developer experience and ease of integration.

unDraw offers a collection of open-source, customizable SVG illustrations that can be used freely in both personal and commercial projects without attribution. The platform allows users to tailor colors to fit their branding and supports various design needs, from websites to presentations.

Visual Studio Code is a free, open-source code editor by Microsoft, offering a wide range of features including debugging, syntax highlighting, intelligent code completion, and built-in Git support. It supports various programming languages and platforms, with a vast library of extensions available to enhance functionality.

VSCodium is a community-driven, open-source binary distribution of Microsoft's Visual Studio Code editor. It provides a version of VS Code without Microsoft's telemetry or proprietary licensing, offering a fully MIT-licensed alternative. VSCodium is available for multiple platforms, including Windows, macOS, and Linux, with easy installation via package managers.

Windmill is an open-source developer platform that enables you to turn scripts into auto-generated UIs, APIs, and workflows. It supports various programming languages and allows for easy creation of complex data pipelines, ETLs, and internal tools.