Find the best open-source alternatives

An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.

A privacy-focused, open-source note-taking app with end-to-end encrypted sync across all major platforms.

A distributed cloud-native messaging and streaming platform for building event-driven applications with high performance and reliability.

An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.

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

An open-source, self-hosted collaboration platform with chat, automation, voice, and AI for secure software development.

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

An open-source, self-hosted collaboration platform with chat, automation, voice, and AI for secure software development.

An open-source Firebase alternative providing a full-featured backend with a hosted Postgres database, authentication, APIs, and realtime subscriptions.

An open-source observability platform for logs, metrics, traces, and frontend monitoring with 140x lower storage costs and single binary deployment.

Open-source project management platform for tracking issues, running cycles, and managing product roadmaps.

A free, open-source, cross-platform game engine for creating 2D and 3D games with a unified editor and one-click exports.

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

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

Expose your localhost to the world for easy testing and sharing without DNS or deployment.

A high-performance, open-source distributed key-value database optimized for caching and real-time workloads.

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

A Python ETL framework for stream processing, real-time analytics, and building live LLM/RAG pipelines, powered by a scalable Rust engine.

A free, open-source, cross-platform game engine for creating 2D and 3D games with a unified editor.

A continuous file synchronization program that securely syncs files between multiple computers without central servers.

Build smaller, faster, and more secure desktop and mobile applications using web technologies.

An open-source AI collaborative workspace that brings projects, wikis, and teams together with full data control.

An insanely fast binary data interchange format and capability-based RPC system.

A command runner for saving and running project-specific commands with a simple, make-inspired syntax.

A modern, secure, and open-source password manager for storing and managing sensitive information across Windows, macOS, and Linux.

A painless self-hosted all-in-one software development service with Git hosting, code review, team collaboration, package registry, and CI/CD.

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

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

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

A modern, secure, and open-source password manager for storing and managing sensitive information across Windows, macOS, and Linux.

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

A minimalist, high-performance machine learning framework for Rust with a focus on serverless inference and GPU support.

A hackable text editor for the 21st century, built on Electron and designed for deep customization.

A utility-belt library for JavaScript providing functional programming helpers without extending core objects.