head to head · open source
Prometheus vs Chat2DB
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. Chat2DB has 28,348 stars, 3,046 forks, 269 open issues and last shipped yesterday. Prometheus leads on adoption by 136% (66,906 vs 28,348 stars). Prometheus is written in Go under Apache-2.0; Chat2DB is written in Java under a custom or non-standard licence. Prometheus has attracted 16% as many forks as stars, Chat2DB 11%. 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 | Chat2DB | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 28K |
| License | Apache-2.0 | Custom / other |
| Written in | Go | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 3.0K |
| 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 Chat2DB if
- You want the Chat2DB feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Java
- You evaluated both and Chat2DB 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 Chat2DB
Powered by OtterMind An AI powered database client and SQL workspace for developers, DBAs, analysts, and data teams. What is Chat2DB? Chat2DB Community is a free, cross platform database client for Windows, macOS, and Linux. It runs entirely on your machine and combines a full featured SQL workspace with an AI assistant that you connect to your own model. 40+ databases — MySQL, PostgreSQL, Oracle, SQL Server, ClickHouse, MongoDB, Redis, SQLite, MariaDB, TiDB, Hive, DB2, Snowflake, BigQuery, Elasticsearch, Trino, TimescaleDB, Greenplum, YugabyteDB, CrateDB, QuestDB, Apache IoTDB, Firebird, HSQLDB, Apache Derby…
read the full Chat2DB overview →
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Frequently asked questions
Is Prometheus or Chat2DB more popular?
Prometheus has 66,906 GitHub stars and Chat2DB has 28,348. Prometheus has the larger community by that measure.
Are Prometheus and Chat2DB free?
Both are open source. Prometheus is licensed under Apache-2.0, and Chat2DB has no licence declared in this registry. Both are free to self-host.
What is the difference between Prometheus and Chat2DB?
Prometheus is written in Go and Chat2DB in Java. 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 Chat2DB?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose Chat2DB if its feature set, stack or Custom / other licence fits better. Both are self-hostable.