Source checked · Research

COG Second Brain

A Markdown, Obsidian, and Git second-brain system with project context and people-relationship features.

Potential use: Knowledge workers and product or engineering leads who want a Git-backed Markdown second brain with optional team workflows.

Limitations: Personal notes, relationship data, Git history, external sync, issue creation, write-back, or publishing until file scope, account permissions, approval gates, retention, sharing, and.

Public use

1,174 GitHub stars · 132 forks

Activity

Release v3.10.0 on 7 Aug 2026 · repository updated 25 Aug 2026

Community

7 open issues

Checked

6 Sept 2026

Source facts only. Not tested or recommended by Agent Blocks.