Best Windows Open Source Software

Google's open-source framework for building natively compiled apps for mobile, web, and desktop from one codebase.

A free, open-source browser for previewing and testing responsive web layouts across many devices at once.

Keyboard‑focused, minimal web browser for power users

Fast, lightweight web browser for low‑resource systems

Free, open-source application firewall with system-wide tracker and ad blocking

A free, open-source clipboard manager with searchable history, tabs, and scripting.

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

Open-source task manager with List, Kanban, Gantt, and Table views, self-hosted or cloud.

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

The most secure hardware wallet for crypto assets

Command-line double-entry accounting system

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

Powerful open‑source debugger for Windows reverse engineering

A free, open-source note-taking app

Open-source client-side encryption that locks individual files before they sync to any cloud drive.

Open-source tool for building multiboot USB drives from ISO files

Digital Forensics and Incident Response