head to head · open source
Prometheus vs chartdb
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. chartdb has 23,039 stars, 1,509 forks, 170 open issues and last shipped 2 days ago. Prometheus leads on adoption by 190% (66,906 vs 23,039 stars). Prometheus is written in Go under Apache-2.0; chartdb is written in TypeScript under AGPL-3.0. Prometheus has attracted 16% as many forks as stars, chartdb 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 | chartdb | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 23K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 11K | ⑂ 1.5K |
| 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 chartdb if
- You want the chartdb feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and chartdb 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 chartdb
Open source database diagrams editor No installations • No Database password required. Community • Website • Examples • Demo 🎉 ChartDB ChartDB is a powerful, web based database diagramming editor. Instantly visualize your database schema with a single "Smart Query." Customize diagrams, export SQL scripts, and access all features—no account required. Experience seamless database design here. What it does : Instant Schema Import Run a single query to instantly retrieve your database schema as JSON. This makes it incredibly fast to visualize your database schema, whether for documentation, team…
read the full chartdb overview →
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Frequently asked questions
Is Prometheus or chartdb more popular?
Prometheus has 66,906 GitHub stars and chartdb has 23,039. Prometheus has the larger community by that measure.
Are Prometheus and chartdb free?
Both are open source. Prometheus is licensed under Apache-2.0 and chartdb under AGPL-3.0. Neither carries a licence fee.
What is the difference between Prometheus and chartdb?
Prometheus is written in Go and chartdb 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 chartdb?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose chartdb if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.