head to head · open source
obsidian-mind vs second-brain-cloudflare
obsidian-mind has 5,486 GitHub stars, 611 forks, 7 open issues and last shipped 19 days ago. second-brain-cloudflare has 841 stars, 125 forks, 16 open issues and last shipped 6 days ago. obsidian-mind leads on adoption by 552% (5,486 vs 841 stars). obsidian-mind is written in TypeScript under MIT; second-brain-cloudflare is written in TypeScript under MIT. obsidian-mind has attracted 11% as many forks as stars, second-brain-cloudflare 15%. second-brain-cloudflare was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (claude-code), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| obsidian-mind | second-brain-cloudflare | |
|---|---|---|
| GitHub stars | ★ 5.5K | ★ 841 |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-17 | 2026-10-30 |
| Forks | ⑂ 611 | ⑂ 125 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick obsidian-mind if
- You weight community size — 5.5K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick second-brain-cloudflare if
- You want the second-brain-cloudflare feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and second-brain-cloudflare fits your workflow better
About obsidian-mind
🌐 English 日本語 中文 한국어 Obsidian Mind An Obsidian vault that gives AI coding agents persistent memory. Built for Claude Code, with working hooks for Codex CLI and Gemini CLI. Start a session, talk about your day, and the agent handles the rest — notes, links, indexes, performance tracking. Every conversation builds on the last. 🔴 The Problem AI coding agents are powerful, but they forget. Every session starts from zero — no context on your goals, your team, your patterns, your wins. You re explain the same things. You lose decisions made three conversations ago. The knowledge never compounds. 🟢 The Solution Give…
read the full obsidian-mind overview →
About second-brain-cloudflare
Private memory for you. Shared memory for your team. Available to every MCP compatible AI tool you use. Now with Team Edition — private personal layers plus a shared team layer, in one Worker. Claude, ChatGPT, Cursor, Codex, and the other AI tools you use do not naturally share context. You end up repeating the same projects, decisions, and preferences in every app. Second Brain gives those tools one persistent memory system. It runs in your own Cloudflare account, stays under your control, and retrieves the right context by meaning rather than exact wording. The desktop app is the easiest way to start. It…
read the full second-brain-cloudflare overview →
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Frequently asked questions
Is obsidian-mind or second-brain-cloudflare more popular?
obsidian-mind has 5,486 GitHub stars and second-brain-cloudflare has 841. obsidian-mind has the larger community by that measure.
Are obsidian-mind and second-brain-cloudflare free?
Both are open source. obsidian-mind is licensed under MIT and second-brain-cloudflare under MIT. Neither carries a licence fee.
What is the difference between obsidian-mind and second-brain-cloudflare?
obsidian-mind is written in TypeScript and second-brain-cloudflare in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, obsidian-mind or second-brain-cloudflare?
Choose obsidian-mind if you want the larger community (5,486 stars) or its MIT licence terms. Choose second-brain-cloudflare if its feature set, stack or MIT licence fits better. Both are self-hostable.