Eight second-brain repos: gbrain, ai-memory, and more
Second brains have moved from a concept to a set of open-source repos you can compare. The key questions are whether a fact can be traced, and whether context survives a tool switch.
Brief
@imryven collected eight repos, including garrytan/gbrain (each fact keeps a source, and several agents share one memory layer), Karpathy's llm-wiki, akitaonrails/ai-memory (handing a Claude Code session to Codex without losing context), plus voice memos into Obsidian, the Markdown-only COG-second-brain, and open-second-brain, which turns repeated corrections into rules. When the post was captured it had about 1,462 bookmarks and 520 likes; those figures are a snapshot.
Why it is useful
You do not need to install all of them. Start with gbrain's facts-with-sources, and with ai-memory's handoff across tools.
Sources
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imryven@imryven
https://x.com/imryven/status/2119433356584604119
This is a brief, not the original postThis page is an English brief, not a full reprint. Check the original post for details.