head to head · open source
Cinny vs certspotter
Cinny has 3,968 GitHub stars, 608 forks, 354 open issues and last shipped yesterday. certspotter has 1,197 stars, 104 forks, 18 open issues and last shipped 7 days ago. Cinny leads on adoption by 231% (3,968 vs 1,197 stars). Cinny is written in TypeScript under AGPL-3.0; certspotter is written in Go under MPL-2.0. Cinny has attracted 15% as many forks as stars, certspotter 9%. Cinny 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
| Cinny | certspotter | |
|---|---|---|
| GitHub stars | ★ 4.0K | ★ 1.2K |
| License | AGPL-3.0 | MPL-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-10-29 |
| Forks | ⑂ 608 | ⑂ 104 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cinny if
- You weight community size — 4.0K 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 certspotter if
- You want the certspotter feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Go
- You evaluated both and certspotter fits your workflow better
About Cinny
Cinny A Matrix client focusing primarily on simple, elegant and secure interface. The main goal is to have an instant messaging application that is easy on people and has a modern touch. Roadmap Contributing [!IMPORTANT] We are currently in the process of [replacing] the matrix js sdk with our own SDK. As a result, we will not be accepting any pull requests until further notice. Thank you for your understanding. [replacing]: Getting started The web app is available at [app.cinny.in] and gets updated on each new release. The dev branch is continuously deployed at [dev.cinny.in] but keep in mind that it could have…
read the full Cinny overview →
About certspotter
Cert Spotter Certificate Transparency Monitor Open Source Edition Cert Spotter is a Certificate Transparency log monitor from SSLMate that alerts you when an SSL/TLS certificate is issued for one of your domains. Cert Spotter is easier to use than other open source CT monitors, since it does not require a database. It's also more robust, since it uses a special certificate parser that ensures it won't miss certificates. Cert Spotter is available as a hosted service by SSLMate that also provides monitoring for expiring and incorrectly installed certificates, Slack notifications, and a Web dashboard for tracking…
read the full certspotter overview →
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Frequently asked questions
Is Cinny or certspotter more popular?
Cinny has 3,968 GitHub stars and certspotter has 1,197. Cinny has the larger community by that measure.
Are Cinny and certspotter free?
Both are open source. Cinny is licensed under AGPL-3.0 and certspotter under MPL-2.0. Neither carries a licence fee.
What is the difference between Cinny and certspotter?
Cinny is written in TypeScript and certspotter in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Cinny or certspotter?
Choose Cinny if you want the larger community (3,968 stars) or its AGPL-3.0 licence terms. Choose certspotter if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.