head to head · open source
Puter vs certstrap
Puter has 44,062 GitHub stars, 4,140 forks, 19 open issues and last shipped yesterday. certstrap has 2,462 stars, 212 forks, 32 open issues and last shipped yesterday. Puter leads on adoption by 1,690% (44,062 vs 2,462 stars). Puter is written in TypeScript under AGPL-3.0; certstrap is written in Go under Apache-2.0. Puter has attracted 9% as many forks as stars, certstrap 9%. Puter 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
| Puter | certstrap | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 2.5K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.1K | ⑂ 212 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Puter if
- You weight community size — 44K 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 certstrap if
- You want the certstrap feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and certstrap fits your workflow better
About Puter
The Open Source Internet Computer! « LIVE DEMO » Puter.com · App Store · Developers · X Puter Puter is an advanced, open source, self hostable internet computer designed to be feature rich, fast, and highly extensible. For Users Puter's goal is to provide you with every app and feature you need to work, create, and play under one roof. From a simple Notepad and Voice Recorder to Spreadsheet and Camera, Puter wants to be the all in one solution for your digital life. For Developers Puter provides everything you need to build and publish web apps and games. From AI to Cloud Storage and Database to Serverless…
read the full Puter overview →
About certstrap
certstrap A simple certificate manager written in Go, to bootstrap your own certificate authority and public key infrastructure. Adapted from etcd ca. certstrap is a very convenient app if you don't feel like dealing with openssl, its myriad of options or config files. Common Uses certstrap allows you to build your own certificate system: 1. Initialize certificate authorities 2. Create identities and certificate signature requests for hosts 3. Sign and generate certificates Certificate architecture certstrap can init multiple certificate authorities to sign certificates with. Users can make arbitrarily long…
read the full certstrap overview →
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Frequently asked questions
Is Puter or certstrap more popular?
Puter has 44,062 GitHub stars and certstrap has 2,462. Puter has the larger community by that measure.
Are Puter and certstrap free?
Both are open source. Puter is licensed under AGPL-3.0 and certstrap under Apache-2.0. Neither carries a licence fee.
What is the difference between Puter and certstrap?
Puter is written in TypeScript and certstrap 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, Puter or certstrap?
Choose Puter if you want the larger community (44,062 stars) or its AGPL-3.0 licence terms. Choose certstrap if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.