head to head · open source
silverbullet vs second-brain-cloudflare
silverbullet has 6,099 GitHub stars, 485 forks, 345 open issues and last shipped yesterday. second-brain-cloudflare has 773 stars, 117 forks, 16 open issues and last shipped 3 days ago. silverbullet leads on adoption by 689% (6,099 vs 773 stars). silverbullet is written in TypeScript under MIT; second-brain-cloudflare is written in TypeScript under MIT. silverbullet has attracted 8% as many forks as stars, second-brain-cloudflare 15%. silverbullet was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (personal-knowledge-management), 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.
← all 20902 open source comparisons
Side by side
| silverbullet | second-brain-cloudflare | |
|---|---|---|
| GitHub stars | ★ 6.1K | ★ 773 |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-19 | 2026-09-17 |
| Forks | ⑂ 485 | ⑂ 117 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick silverbullet if
- You weight community size — 6.1K 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 silverbullet
SilverBullet is an open source, self hosted, browser based personal knowledge database that stores notes as Markdown pages and makes them programmable with Space Lua, aimed at individual knowledge workers who want a notes app they can script rather than merely configure.
read the full silverbullet overview →
About second-brain-cloudflare
Second Brain is a self hosted memory layer for AI tools — an MIT licensed TypeScript application that runs as a Cloudflare Worker, stores anything once, and lets Claude, ChatGPT, Cursor, Codex, and any other Model Context Protocol client recall it by meaning — built for individuals and small teams who want their AI context to live in their own Cloudflare account.
read the full second-brain-cloudflare overview →
More in Productivity & Utilities
Related comparisons
More Note Taking & Knowledge Management projects
Compare either of these against the rest of the Note Taking & Knowledge Management field.
Frequently asked questions
Is silverbullet or second-brain-cloudflare more popular?
silverbullet has 6,099 GitHub stars and second-brain-cloudflare has 773. silverbullet has the larger community by that measure.
Are silverbullet and second-brain-cloudflare free?
Both are open source. silverbullet is licensed under MIT and second-brain-cloudflare under MIT. Neither carries a licence fee.
What is the difference between silverbullet and second-brain-cloudflare?
silverbullet 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, silverbullet or second-brain-cloudflare?
Choose silverbullet if you want the larger community (6,099 stars) or its MIT licence terms. Choose second-brain-cloudflare if its feature set, stack or MIT licence fits better. Both are self-hostable.