head to head · open source
Prometheus vs libhv
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. libhv has 7,571 stars, 1,371 forks, 41 open issues and last shipped 6 days ago. Prometheus leads on adoption by 784% (66,906 vs 7,571 stars). Prometheus is written in Go under Apache-2.0; libhv is written in C under BSD-3-Clause. Prometheus has attracted 16% as many forks as stars, libhv 18%. 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 | libhv | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 7.6K |
| License | Apache-2.0 | BSD-3-Clause |
| Written in | Go | C |
| Last push | 2026-11-02 | 2026-10-28 |
| Forks | ⑂ 11K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 67K 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 libhv if
- You want the libhv feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C
- You evaluated both and libhv fits your workflow better
About Prometheus
Prometheus Visit prometheus.io for the full documentation, examples and guides. [ ][quay] [ ][hub] Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts when specified conditions are observed. The features that distinguish Prometheus from other metrics and monitoring systems are: A multi dimensional data model (time series defined by metric name and set of key/value dimensions) PromQL, a powerful and flexible query language to…
read the full Prometheus overview →
About libhv
English 中文 libhv Like libevent, libev, and libuv , libhv provides event loop with non blocking IO and timer, but simpler api and richer protocols. ✨ Features Cross platform (Linux, Windows, macOS, Android, iOS, BSD, Solaris) High performance EventLoop (IO, timer, idle, custom, signal) TCP/UDP client/server/proxy TCP supports heartbeat, reconnect, upstream, MultiThread safe write and close, etc. Built in common unpacking modes (FixedLength, Delimiter, LengthField) RUDP support: WITH KCP SSL/TLS support: (via WITH OPENSSL or WITH GNUTLS or WITH MBEDTLS) HTTP client/server (support https http1/x http2 grpc) HTTP…
read the full libhv overview →
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Frequently asked questions
Is Prometheus or libhv more popular?
Prometheus has 66,906 GitHub stars and libhv has 7,571. Prometheus has the larger community by that measure.
Are Prometheus and libhv free?
Both are open source. Prometheus is licensed under Apache-2.0 and libhv under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Prometheus and libhv?
Prometheus is written in Go and libhv 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, Prometheus or libhv?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose libhv if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.