head to head · open source
Prometheus vs pony
Prometheus has 66,109 GitHub stars, 10,839 forks, 890 open issues and last shipped 2 days ago. pony has 3,818 stars, 255 forks, 358 open issues and last shipped 1 months ago. Prometheus leads on adoption by 1,632% (66,109 vs 3,818 stars). Prometheus is written in Go under Apache-2.0; pony is written in Python under Apache-2.0. Prometheus has attracted 16% as many forks as stars, pony 7%. Prometheus 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
| Prometheus | pony | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 3.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-17 | 2026-08-10 |
| Forks | ⑂ 11K | ⑂ 255 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 66K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick pony if
- You want the pony feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and pony fits your workflow better
About Prometheus
Prometheus is an open source monitoring system and time series database, part of the Cloud Native Computing Foundation ecosystem. It collects metrics from configured targets at defined intervals, evaluates alerting rules, and visualizes results. Designed for reliability in dynamic environments, it operates without reliance on distributed storage, ensuring each server node functions independently.
read the full Prometheus overview →
About pony
Pony is an Apache 2.0 licensed Python object relational mapper that maps Python classes to relational tables and translates generator expression and lambda queries into SQL for SQLite, MySQL, PostgreSQL and Oracle.
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Frequently asked questions
Is Prometheus or pony more popular?
Prometheus has 66,109 GitHub stars and pony has 3,818. Prometheus has the larger community by that measure.
Are Prometheus and pony free?
Both are open source. Prometheus is licensed under Apache-2.0 and pony under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and pony?
Prometheus is written in Go and pony in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prometheus or pony?
Choose Prometheus if you want the larger community (66,109 stars) or its Apache-2.0 licence terms. Choose pony if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.