head to head · open source
Certipy vs Tongsuo
Certipy has 3,672 GitHub stars, 483 forks, 25 open issues and last shipped 2 months ago. Tongsuo has 1,535 stars, 260 forks, 160 open issues and last shipped 13 days ago. Certipy leads on adoption by 139% (3,672 vs 1,535 stars). Certipy is written in Python under MIT; Tongsuo is written in C under Apache-2.0. Certipy has attracted 13% as many forks as stars, Tongsuo 17%. Tongsuo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (pki), 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
| Certipy | Tongsuo | |
|---|---|---|
| GitHub stars | ★ 3.7K | ★ 1.5K |
| License | MIT | Apache-2.0 |
| Written in | Python | C |
| Last push | 2026-07-30 | 2026-09-07 |
| Forks | ⑂ 483 | ⑂ 260 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Certipy if
- You weight community size — 3.7K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Tongsuo if
- You want the Tongsuo feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C
- You evaluated both and Tongsuo fits your workflow better
About Certipy
Certipy is an open source Python toolkit, published under the MIT licence on PyPI as certipy ad , for enumerating and abusing Active Directory Certificate Services (AD CS), built for red teamers, penetration testers, and defenders who need to assess AD CS misconfigurations in Windows Active Directory environments.
read the full Certipy overview →
About Tongsuo
Tongsuo (铜锁) is an open source C library of modern cryptographic primitives and secure communication protocols, developed under the OpenAtom Foundation, and it is built for teams that need Chinese commercial cryptography, TLS, PKI, and privacy preserving primitives from a single dependency.
read the full Tongsuo overview →
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Frequently asked questions
Is Certipy or Tongsuo more popular?
Certipy has 3,672 GitHub stars and Tongsuo has 1,535. Certipy has the larger community by that measure.
Are Certipy and Tongsuo free?
Both are open source. Certipy is licensed under MIT and Tongsuo under Apache-2.0. Neither carries a licence fee.
What is the difference between Certipy and Tongsuo?
Certipy is written in Python and Tongsuo in C. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Certipy or Tongsuo?
Choose Certipy if you want the larger community (3,672 stars) or its MIT licence terms. Choose Tongsuo if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.