head to head · open source
cap vs voiceink
cap has 22,381 GitHub stars, 1,918 forks, 339 open issues and last shipped yesterday. voiceink has 6,442 stars, 920 forks, 127 open issues and last shipped yesterday. cap leads on adoption by 247% (22,381 vs 6,442 stars). cap is written in Rust under a custom or non-standard licence; voiceink is written in Swift under a custom or non-standard licence. cap has attracted 9% as many forks as stars, voiceink 14%. cap was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| cap | voiceink | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 6.4K |
| License | Custom / other | Custom / other |
| Written in | Rust | Swift |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 920 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cap if
- You weight community size — 22K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick voiceink if
- You want the voiceink feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Swift
- You evaluated both and voiceink fits your workflow better
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.
About voiceink
VoiceInk is a native macOS application that transcribes speech into text almost instantly. It is written in Swift and published under the GNU General Public License v3.0, with the registry listing it as a Miscellaneous category project built around the macOS platform. The README frames it as an open source alternative to the paid voice to text products Superwhisper and Wispr Flow, and the repository ships the full source alongside a compiled build distributed through the project's own website.
read the full voiceink overview →
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Frequently asked questions
Is cap or voiceink more popular?
cap has 22,381 GitHub stars and voiceink has 6,442. cap has the larger community by that measure.
Are cap and voiceink free?
Neither cap nor voiceink declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between cap and voiceink?
cap is written in Rust and voiceink in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, cap or voiceink?
Choose cap if you want the larger community (22,381 stars) or its Custom / other licence terms. Choose voiceink if its feature set, stack or Custom / other licence fits better. Both are self-hostable.