scrcpy

A Windows productivity toolset from Microsoft, integrating window management, color picking, batch renaming, and many other practical utilities.

A hand-drawn style virtual whiteboard that lets you easily sketch, brainstorm, and collaborate with multiple people in real time.

An open-source, free file synchronization tool that automatically syncs folders between devices with P2P encrypted transfer, no cloud service required.

An open-source AI collaboration workspace as an alternative to Notion, covering project management, knowledge base, and team collaboration in one place.

A free, open-source tool that cleans, uninstalls, analyzes, optimizes, and monitors your Mac, available as both a command-line tool and a native Mac app.