Best Open Source Software

One searchable library for all your drives, disks, and cloud files.

OpenTelemetry-native APM that unifies traces, metrics, and logs on top of ClickHouse.

The Web framework for perfectionists with deadlines

A free, open-source IDE for Java and multi-language development

Self-hosted remote desktop alternative to TeamViewer

Open‑source ERP & CRM for SMEs, free and fully customizable

Open-source RSS feed generator

Ultra-fast file copy and synchronization for Windows

Open-source firewall, router, and VPN platform trusted by enterprises for network security.

Python libraries for computational biology and bioinformatics

AI-powered video editing and generation

Open-source game launcher with a built-in downloader, library manager, and cloud saves

Secure password management on Android

Modular, Production-Ready, Open-Source EHR

Free, peer‑reviewed college textbooks for every student

Free, open-source CI/CD server for modeling complex, real-world deployment pipelines.

An open-source content management system and website builder for self-hosted publishing.

Open-source, no-code game engine for building and publishing 2D games.

Invoice, quote, project and time-tracking app built with Laravel

A simple and elegant markdown editor

Powerful data-fetching and caching for React apps

A note-taking app for networked thought

Operating system for robotics and driver assistance

Self-hosted, globally interconnected microblogging community