head to head · open source
Prometheus vs GRDB.swift
Prometheus has 66,899 GitHub stars, 10,960 forks, 890 open issues and last shipped yesterday. GRDB.swift has 8,721 stars, 1,097 forks, 15 open issues and last shipped yesterday. Prometheus leads on adoption by 667% (66,899 vs 8,721 stars). Prometheus is written in Go under Apache-2.0; GRDB.swift is written in Swift under MIT. Prometheus has attracted 16% as many forks as stars, GRDB.swift 13%. GRDB.swift 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 | GRDB.swift | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 8.7K |
| License | Apache-2.0 | MIT |
| Written in | Go | Swift |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 1.1K |
| 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 GRDB.swift if
- You want the GRDB.swift feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and GRDB.swift 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 GRDB.swift
A toolkit for SQLite databases, with a focus on application development Proudly serving the community since 2015 Latest release : June 18, 2026 • version 7.11.1 • CHANGELOG • Migrating From GRDB 6 to GRDB 7 Requirements : iOS 13.0+ / macOS 10.15+ / tvOS 13.0+ / watchOS 7.0+ • SQLite 3.20.0+ • Swift 6.1+ / Xcode 16.3+ Contact : Release announcements and usage tips: follow @groue@hachyderm.io on Mastodon. Report bugs in a Github issue. Make sure you check the existing issues first. A question? Looking for advice? Do you wonder how to contribute? Fancy a chat? Go to the GitHub discussions, or the GRDB…
read the full GRDB.swift overview →
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Frequently asked questions
Is Prometheus or GRDB.swift more popular?
Prometheus has 66,899 GitHub stars and GRDB.swift has 8,721. Prometheus has the larger community by that measure.
Are Prometheus and GRDB.swift free?
Both are open source. Prometheus is licensed under Apache-2.0 and GRDB.swift under MIT. Neither carries a licence fee.
What is the difference between Prometheus and GRDB.swift?
Prometheus is written in Go and GRDB.swift in Swift. 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 GRDB.swift?
Choose Prometheus if you want the larger community (66,899 stars) or its Apache-2.0 licence terms. Choose GRDB.swift if its feature set, stack or MIT licence fits better. Both are self-hostable.