head to head · open source
Prometheus vs workout-cool
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. workout-cool has 8,660 stars, 762 forks, 80 open issues and last shipped 1 months ago. Prometheus leads on adoption by 673% (66,906 vs 8,660 stars). Prometheus is written in Go under Apache-2.0; workout-cool is written in TypeScript under MIT. Prometheus has attracted 16% as many forks as stars, workout-cool 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 | workout-cool | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 8.7K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-09-20 |
| Forks | ⑂ 11K | ⑂ 762 |
| 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 workout-cool if
- You want the workout-cool feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and workout-cool 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 workout-cool
Workout.cool Modern fitness coaching platform with comprehensive exercise database Deutsch Español français 日本語 한국어 Português Русский 中文 Table of Contents About Project Origin & Motivation Quick Start Exercise Database Import Project Architecture Contributing Self hosting Resources License Sponsor This Project Contributors Sponsors They are helping making workout.cool free and open source for everyone : lj020326 lucasnevespereira About A comprehensive fitness coaching platform that allows create workout plans for you, track progress, and access a vast exercise database with detailed instructions and video…
read the full workout-cool overview →
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Frequently asked questions
Is Prometheus or workout-cool more popular?
Prometheus has 66,906 GitHub stars and workout-cool has 8,660. Prometheus has the larger community by that measure.
Are Prometheus and workout-cool free?
Both are open source. Prometheus is licensed under Apache-2.0 and workout-cool under MIT. Neither carries a licence fee.
What is the difference between Prometheus and workout-cool?
Prometheus is written in Go and workout-cool in TypeScript. 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 workout-cool?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose workout-cool if its feature set, stack or MIT licence fits better. Both are self-hostable.