Comparison
Second Brain Os vs Caveman
Caveman has more GitHub stars (112,880 vs 1,095). Caveman was updated more recently (last commit 1d ago). Data comes straight from GitHub and refreshes daily.
Second Brain Os
An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.
$
claude plugin install agents-course@second-brain-os
Caveman
Why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.
$
/plugin marketplace add JuliusBrussee/caveman| Metric | Second Brain Os | Caveman |
|---|---|---|
| Type | Agent skill | Agent skill |
| GitHub stars | 1,095 | 112,880 |
| Stars, last 7 days | +2 | +481 |
| Forks | 178 | 6,531 |
| Upvotes | 0 | 0 |
| Language | HTML | Go |
| License | MIT | Apache-2.0 |
| Last commit | 2d ago | 1d ago |
| Created | Sep 2026 | Apr 2026 |
| Categories | Memory & knowledge, AI & LLM tooling, Frameworks & SDKs | AI & LLM tooling |