head to head · open source
Prometheus vs HeidiSQL
Prometheus has 66,133 GitHub stars, 10,846 forks, 890 open issues and last shipped yesterday. HeidiSQL has 6,274 stars, 587 forks, 324 open issues and last shipped 2 days ago. Prometheus leads on adoption by 954% (66,133 vs 6,274 stars). Prometheus is written in Go under Apache-2.0; HeidiSQL is written in Pascal under GPL-2.0. Prometheus has attracted 16% as many forks as stars, HeidiSQL 9%. 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 | HeidiSQL | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 6.3K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Go | Pascal |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 11K | ⑂ 587 |
| 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 HeidiSQL if
- You want the HeidiSQL feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Pascal
- You evaluated both and HeidiSQL 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 HeidiSQL
HeidiSQL is a free, GPL 2.0 licensed graphical client for managing MariaDB, MySQL, Microsoft SQL Server, PostgreSQL, SQLite, Interbase and Firebird databases, aimed at developers and database administrators who need to browse, edit and export data without working from a command line.
read the full HeidiSQL overview →
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Frequently asked questions
Is Prometheus or HeidiSQL more popular?
Prometheus has 66,133 GitHub stars and HeidiSQL has 6,274. Prometheus has the larger community by that measure.
Are Prometheus and HeidiSQL free?
Both are open source. Prometheus is licensed under Apache-2.0 and HeidiSQL under GPL-2.0. Neither carries a licence fee.
What is the difference between Prometheus and HeidiSQL?
Prometheus is written in Go and HeidiSQL in Pascal. 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 HeidiSQL?
Choose Prometheus if you want the larger community (66,133 stars) or its Apache-2.0 licence terms. Choose HeidiSQL if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.