AI Tools Scout
Open-source ToolsLLM ProjectsMCP ServersMethodology
AI Tools Scout

An open-source AI tools directory with clear use cases, visible source freshness, and maintenance evidence for anyone deciding what to try.

Explore
Open source AI projectsOpen source LLM projectsMCP servers list
More
SkillsContentAbout
Rankings use public ecosystem signals. Treat them as a starting point, then confirm license, setup, safety, and fit with the upstream project.
← Back to Leaderboard

Project comparison

Obsidian Second Brain vs Rtk

Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.

Obsidian Second Brain

Claude Code skill for Obsidian. Turn your vault into a living AI-first second brain. 31 commands, vault-first research, scheduled agents.

Best matched with other agent tools.

1.1K
Stars
0
Weekly
44/100
Health
Rtk

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Best matched with other agent tools.

72.6K
Stars
+26.5K
Weekly
85/100
Health

Quick Take

Adoption

Rtk has the larger GitHub footprint with 72.6K stars.

Momentum

Rtk is currently growing faster at +26.5K stars this week.

Maintenance

Rtk has the stronger automated maintenance signal at 85/100. This is not a security or fit verdict.

Side-by-side evidence

Use these signals to narrow your choice, then confirm setup, license, and fit upstream.

SignalObsidian Second BrainRtk
Evidence statusBasic listing· 2026-10-04 09:18 UTCBasic listing· 2026-10-04 09:18 UTC
GitHub stars1.1K72.6K
Weekly growth0+26.5K
Health scoreWatch44/100Strong85/100
Contributors3125
Commits per week6.539.8
Open issues31.7K
LanguagePythonRust
LicenseMITApache-2.0
Last commit2026-05-11 19:42 UTC2026-07-22 15:28 UTC
Last releasev0.6.0v0.43.0

Weekly AI open-source movers

Get the fastest-growing projects, useful MCP servers, and technical reads in one weekly email.