A weekly briefing on the open source tools worth knowing. What they do, whether they're real, and whether you should care. No hype, no clickbait.
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Kaneo is a lightweight open source project management tool. Think kanban boards, task tracking, and team collaboration without the enterprise bloat.

Kaneo is a lightweight open source project management tool.

Remotion lets you write video content as React components and render them to MP4, perfect for data-driven animations and personalized video at scale.

Diagram-design is a Claude Code skill for editorial-quality diagrams.

AgentENV runs thousands of isolated agent environments at once, which is exactly what reinforcement-learning training for agents needs.

scriptc compiles TypeScript straight to a native binary, with no Node or V8 along for the ride.
Find open source tools for the paid services you already use.
anydoc converts Word, PowerPoint, Excel, OpenDocument, RTF, EPUB, CSV, and PDF files into clean Markdown, with a median conversion under 5 milliseconds per document.
Orca runs a fleet of coding agents side by side so you can pick the winner.
Ponytail is a skill that nudges your AI coding agent to write less code.
Compare tools across every category we track.
Tools that launched or started trending in the last 7 days.
MIT, Apache, GPL: what each license means in plain English.
Top-ranked tools for building AI agents.
Find open source replacements for proprietary tools.
Package managers, linters, and dev tools for Python.
Open source MCP servers for AI assistants and agents.