Best Windows Open Source Software

Open-source static site generator by Meta for building fast documentation websites.

A privacy-focused web browser built on the source code of Firefox.

On-device subtitle generation for video editors

Offline API documentation browser

Firmware for RepRap 3D printers

Privacy-first, cross-platform text expander for snippets and templates

A hierarchical note taking application

A free, open source note-taking and to-do application

Free source‑code editor with powerful syntax highlighting and extensible plugins

Defend yourself against tracking, surveillance, and censorship online.

Create your own Avatar Vtuber Streamer in Real-time!

A local-first, open-source API client for HTTP, GraphQL, gRPC, WebSocket, and SSE requests.

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

Free, open-source video editor

A command-line installer that gets developer tools onto Windows with minimal friction.

A minimalistic, open-source note-taking app

Free, open-source office suite for documents, spreadsheets, and presentations

Free and open source Screen Reader for Microsoft Windows

Free, open-source BitTorrent client for power users

Generate diagrams from textual description

Simple and easy-to-use Python logging library

Fast, simple, and modern VPN for secure networking

A hackable text editor for the 21st‑century developer

A free, secure notes app with audited end-to-end encryption and cross-platform sync.