head to head · open source
maigret vs CatchUp
maigret has 37,735 GitHub stars, 2,959 forks, 62 open issues and last shipped yesterday. CatchUp has 2,101 stars, 210 forks, 31 open issues and last shipped 3 days ago. maigret leads on adoption by 1,696% (37,735 vs 2,101 stars). maigret is written in Python under MIT; CatchUp is written in Kotlin under Apache-2.0. maigret has attracted 8% as many forks as stars, CatchUp 10%. maigret 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
| maigret | CatchUp | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 2.1K |
| License | MIT | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 3.0K | ⑂ 210 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick maigret if
- You weight community size — 38K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick CatchUp if
- You want the CatchUp feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and CatchUp fits your workflow better
About maigret
Maigret is an open source Python OSINT tool that builds a dossier on a person from a username alone, checking for accounts across more than 3,000 sites without requiring API keys — it is aimed at OSINT analysts, pentesters, infosec teams, and investigators.
read the full maigret overview →
About CatchUp
CatchUp is an open source Android app written in Kotlin under the Apache 2.0 license. It sits in the Android community and social networking space and gives a short form view of several services instead of asking users to open many dedicated apps.
read the full CatchUp overview →
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Frequently asked questions
Is maigret or CatchUp more popular?
maigret has 37,735 GitHub stars and CatchUp has 2,101. maigret has the larger community by that measure.
Are maigret and CatchUp free?
Both are open source. maigret is licensed under MIT and CatchUp under Apache-2.0. Neither carries a licence fee.
What is the difference between maigret and CatchUp?
maigret is written in Python and CatchUp in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, maigret or CatchUp?
Choose maigret if you want the larger community (37,735 stars) or its MIT licence terms. Choose CatchUp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.