head to head · open source
postiz vs cap
postiz has 36,014 GitHub stars, 6,900 forks, 306 open issues and last shipped yesterday. cap has 22,381 stars, 1,918 forks, 339 open issues and last shipped yesterday. postiz leads on adoption by 61% (36,014 vs 22,381 stars). postiz is written in TypeScript under AGPL-3.0; cap is written in Rust under a custom or non-standard licence. postiz has attracted 19% as many forks as stars, cap 9%. cap was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (nextjs, open-source, oss), 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
| postiz | cap | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 22K |
| License | AGPL-3.0 | Custom / other |
| Written in | TypeScript | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 1.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick postiz if
- You weight community size — 36K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick cap if
- You want the cap feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and cap fits your workflow better
About postiz
Postiz is an open source social media scheduling tool built as a self hosted alternative to commercial platforms like Buffer and Hootsuite. It enables users to schedule, manage, and analyze posts across multiple social networks—including X (Twitter), Bluesky, Mastodon, and Discord—while supporting AI assisted content creation and team collaboration. The project lives in the Next.js and NestJS ecosystem, using a monorepo structure with TypeScript, Prisma (defaulting to PostgreSQL), and Temporal for background workflows.
read the full postiz overview →
About cap
Cap open source screen recording sharing project for teams. Lives web desktop software ecosystem. Uses Rust TypeScript stack, Next.js web dashboard, desktop apps macOS Windows. Presents alternative Loom. Supports importing existing Loom videos.
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Frequently asked questions
Is postiz or cap more popular?
postiz has 36,014 GitHub stars and cap has 22,381. postiz has the larger community by that measure.
Are postiz and cap free?
Both are open source. postiz is licensed under AGPL-3.0, and cap has no licence declared in this registry. Both are free to self-host.
What is the difference between postiz and cap?
postiz is written in TypeScript and cap in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, postiz or cap?
Choose postiz if you want the larger community (36,014 stars) or its AGPL-3.0 licence terms. Choose cap if its feature set, stack or Custom / other licence fits better. Both are self-hostable.