Find the best open-source alternatives

An open-source crowdfunding platform for creative projects, originally developed in Brazil.

A complete alternative to Overleaf with VSCode, web, Git, Copilot, grammar/spell check, and live collaboration, based on GitHub Codespaces.

An open-source, self-hosted emailing platform for sending newsletters and transactional emails with enterprise-grade features.

A fast, flexible static site generator for Deno that supports multiple file formats and easy configuration.

An open-source, self-hosted emailing platform for sending newsletters and transactional emails with enterprise-grade features.

An open-source map tool for real-time collaborative exploration and annotation.

An open-source learning management system (LMS) developed by Instructure for educational institutions and organizations.

An open-source learning management system (LMS) developed by Instructure for educational institutions and organizations.

A fast, local-first, reactive NoSQL database for JavaScript applications with realtime sync capabilities.

An online mind mapping editor with native-like interaction, cloud sync, and instant sharing capabilities.

An open-source integrated development environment (IDE) and application framework for Java, PHP, and other languages.

A fast, modern, cookie-free analytics tool that can be self-hosted or used via cloud, providing AI-powered dashboards with setup in under 30 seconds.

A simple yet powerful Python web framework for building web applications with minimal boilerplate.

A powerful, interactive JavaScript charting and data visualization library for the browser.

yt-dlp is a powerful command-line tool for downloading audio and video from thousands of websites.

A high-performance Python graph library implemented in Rust for general-purpose graph algorithms.

A Kakoune/Neovim-inspired modal text editor written in Rust, featuring multiple selections and built-in language server support.

A super minimal, modular presentation micro-framework for modern browsers with a rich plugin ecosystem.

A compact, dependency-free GUI pane library for fine-tuning parameters and monitoring value changes in web applications.

A free and open-source font editor for creating, editing, and converting fonts across multiple formats and platforms.

A lightweight cross-platform desktop app framework using JavaScript, HTML, and CSS without bundling Chromium.

A native desktop application for the Mattermost open-source collaboration platform, built on Electron.

A modular, high-performance Ethereum full node implementation written in Rust, designed for speed and developer flexibility.

A modular natural language processing library for Node.js and React Native, designed for building multilingual chatbots and language utilities.

A fast, modern, secure kernel-based VPN tunnel using state-of-the-art cryptography.

A beautiful, feature-rich GraphQL Client IDE for debugging queries across all platforms.

A free, open-source web application security scanner for finding vulnerabilities during development and testing.

A general-purpose literate programming engine for dynamic report generation in R, designed to give users full control over output.

A lightweight, privacy-first web and desktop AI assistant that supports multiple LLMs and can be self-hosted.

A Swift framework for reactive and functional programming, providing composable primitives for streams of values over time.

A high-performance, easy-to-use, and scalable machine learning package for linear models, factorization machines, and field-aware factorization machines.

A dependency manager for .NET with support for NuGet packages and Git repositories.

An embedded, serverless, transactional NoSQL database engine with key/value and JSON document store capabilities.

A fast, lightweight, and agnostic pagination gem for Ruby applications with multiple pagination techniques and frontend helpers.

A functional tool-belt for Swift providing utility methods for arrays, dictionaries, and functions without extending built-in objects.

An open-source database DevOps tool providing CI/CD, SQL review, and security features for managing database schema changes.