head to head · open source
Prometheus vs redka
Prometheus has 66,906 GitHub stars, 10,969 forks, 890 open issues and last shipped yesterday. redka has 4,567 stars, 136 forks, 0 open issues and last shipped 9 months ago. Prometheus leads on adoption by 1,365% (66,906 vs 4,567 stars). Prometheus is written in Go under Apache-2.0; redka is written in Go under BSD-3-Clause. Prometheus has attracted 16% as many forks as stars, redka 3%. 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 | redka | |
|---|---|---|
| GitHub stars | ★ 67K | ★ 4.6K |
| License | Apache-2.0 | BSD-3-Clause |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-02-04 |
| Forks | ⑂ 11K | ⑂ 136 |
| 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 redka if
- You want the redka feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Go
- You evaluated both and redka 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 redka
Redka reimplements the core parts of Redis with SQL, while remaining compatible with Redis API. Highlights: Data doesn't have to fit in RAM. Supports ACID transactions. SQL views for easier analysis and reporting. Uses SQLite or PostgreSQL as a backend. Runs in process (Go API) or as a standalone server. Implements Redis commands and wire protocol (RESP). Redka is stable and ready to use for testing and non critical production scenarios. It's currently in maintenance mode, and no new features are planned. Use cases Here are some situations where Redka might be helpful: Embedded cache for Go applications . If…
read the full redka overview →
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Frequently asked questions
Is Prometheus or redka more popular?
Prometheus has 66,906 GitHub stars and redka has 4,567. Prometheus has the larger community by that measure.
Are Prometheus and redka free?
Both are open source. Prometheus is licensed under Apache-2.0 and redka under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Prometheus and redka?
Prometheus is written in Go and redka in Go. 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 redka?
Choose Prometheus if you want the larger community (66,906 stars) or its Apache-2.0 licence terms. Choose redka if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.