Find the best open-source alternatives

A free, open-source social network server for self-hosted, federated microblogging communities.

A modern runtime for JavaScript, TypeScript, and WebAssembly with secure defaults and excellent developer experience.

A modern, enterprise-ready business intelligence web application for data visualization and exploration.

A simple, modern API documentation generator for Python projects with Markdown support and live preview.

Open source identity and access management solution for modern applications with single sign-on, user federation, and fine-grained authorization.

An all-in-one open-source platform for product analytics, feature flags, session replay, experiments, and more to help build successful products.

A fully compliant, embeddable high-performance MQTT v5 and v3.1.1 broker/server written in Go for IoT and pub/sub applications.

Open-source IaC automation and collaboration platform for Terraform and OpenTofu workflows.

A pure Go implementation of jq for parsing, filtering, and transforming JSON and YAML data.

A fully featured open source mail delivery platform for incoming and outgoing email, designed as a self-hosted alternative to SendGrid and Mailgun.

A modern, enterprise-ready business intelligence web application for data visualization and exploration.

A system for building agents that perform automated tasks online, like a self-hosted IFTTT or Zapier.

A pure Go library for creating cross-platform text-based user interfaces with a minimalistic API.

An open-source identity and access management platform with multi-tenancy, SSO, MFA, and API-first design for developers.

Ultra fast distributed actor framework for Go, C#, and Java/Kotlin, enabling cross-platform concurrency and messaging.

A fast 4kB alternative to React with the same modern API, featuring components and a virtual DOM.

A utility library for JavaScript and TypeScript with first-class TypeScript support and data-first/data-last approaches.

A simple Python library for queueing jobs and processing them in the background with workers, backed by Redis/Valkey.

An open-source end-to-end developer platform with source code hosting, CI/CD pipelines, hosted dev environments, and artifact registries.

A Django-based content management system focused on flexibility, user experience, and developer control.

An open-source, self-hostable note-taking and knowledge management platform with markdown, Vim/Emacs modes, and blogging features.

A privacy-first, open-source platform for knowledge management and collaboration using a networked note-taking approach.

An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.

An open-source cross-platform app for secure file and message sharing over local networks without internet.

A GraphQL-native, headless commerce API platform for building scalable, composable e-commerce solutions.

A comprehensive Rust machine learning framework focused on preprocessing and classical algorithms, akin to scikit-learn.

A lightweight, extensible code editor with built-in Git support, debugging, and IntelliSense for multiple languages.

A fast and low overhead web framework for Node.js, focused on performance and developer experience.

A batteries-included, simple-to-use Flask extension for adding customizable admin interfaces with support for multiple ORMs.

A JavaScript data grid with a spreadsheet-like look and feel, supporting React, Angular, and Vue for building data-rich applications.

A modular, type-safe TypeScript schema library for validating structural data with zero dependencies.

Python library to automate Chromium, Firefox, and WebKit browsers with a single API for testing and automation.

A scalable, language-agnostic real-time messaging server for building chat apps, live features, and collaborative tools.

A serverless continuous integration system built on AWS Lambda that automates testing and deployments.

An infinite canvas drawing and note-taking app focused on performance, small savefiles, and simplicity, built with Godot.

pyinfra turns Python code into shell commands and runs them on your servers for fast, scalable infrastructure automation.