Best Free Open Source Software

A private, ad-free desktop client for watching YouTube without an account or tracking.

Self-hosted recipe manager and meal planner built for the modern household.

Flash OS images to SD cards and USB drives, safely and easily.

Lightweight, classic video player for Windows

Self-hosted, lightweight Git forge for collaborative software development.

Python library for video editing

The right way to check the weather

Self‑hosted, Subsonic‑compatible music streaming server for audiophiles

Open-source multi-chain crypto wallet with built-in transaction security simulation.

An open-source AI pair programmer for your terminal, compatible with Claude, GPT, and local LLMs.

Free, open‑source crypto trading bot for automated strategies

A free, open-source quick launcher and search bar for Windows, triggered with a hotkey.

One API for 40+ providers, including OpenAI, Anthropic, and Google

A free, open‑source, real‑time 3D engine for high‑fidelity interactive experiences

Build your own AI SRE agents

Private messenger with no user IDs, so you own your contacts and groups

Open-source collaborative wiki and documentation software

Genealogical research and family tree management

Password management for macOS

A cutting‑edge, free Linux desktop built on the latest open‑source technologies.

A free, open-source online vector editor for creating and manipulating SVG graphics.

Free, open‑source DJ software with professional‑grade features

Self‑hosted grocery list and recipe manager

Fast, unified engine for big data processing and analytics