head to head · open source
Prometheus vs Conar
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. Conar has 1,464 stars, 107 forks, 46 open issues and last shipped yesterday. Prometheus leads on adoption by 4,470% (66,906 vs 1,464 stars). Prometheus is written in Go under Apache-2.0; Conar is written in TypeScript under AGPL-3.0. Prometheus has attracted 16% as many forks as stars, Conar 7%. Conar 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 | Conar | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 1.5K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 107 |
| 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 Conar if
- You want the Conar 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 Conar 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 Conar
Tamery.app Tamery is an AI powered open source project that simplifies database interactions. Built for PostgreSQL, MySQL, MSSQL, Clickhouse with support for other databases coming in the near future. Store your connections securely in our cloud and ask AI to help you write and optimize SQL queries. Features 🔐 Secure & Open Open source codebase Encrypted connection strings Password protection 💾 Multi Database Support PostgreSQL MySQL MSSQL Clickhouse Sqlite (coming soon) MongoDB (coming soon) 🤖 AI Powered Features Intelligent SQL assistance Ability to change AI model More coming soon.. Stack React with…
read the full Conar overview →
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Frequently asked questions
Is Prometheus or Conar more popular?
Prometheus has 66,906 GitHub stars and Conar has 1,464. Prometheus has the larger community by that measure.
Are Prometheus and Conar free?
Both are open source. Prometheus is licensed under Apache-2.0 and Conar under AGPL-3.0. Neither carries a licence fee.
What is the difference between Prometheus and Conar?
Prometheus is written in Go and Conar 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 Conar?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose Conar if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.