head to head · open source
Prometheus vs FalkorDB
Prometheus has 66,106 GitHub stars, 10,840 forks, 890 open issues and last shipped yesterday. FalkorDB has 6,152 stars, 464 forks, 724 open issues and last shipped yesterday. Prometheus leads on adoption by 975% (66,106 vs 6,152 stars). Prometheus is written in Go under Apache-2.0; FalkorDB is written in Rust under a custom or non-standard licence. Prometheus has attracted 16% as many forks as stars, FalkorDB 8%. 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.
← all 8884 open source comparisons
Side by side
| Prometheus | FalkorDB | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 6.2K |
| License | Apache-2.0 | Custom / other |
| Written in | Go | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 464 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prometheus if
- You weight community size — 66K 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 FalkorDB if
- You want the FalkorDB feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and FalkorDB fits your workflow better
About Prometheus
Prometheus is an open source monitoring system and time series database, part of the Cloud Native Computing Foundation ecosystem. It collects metrics from configured targets at defined intervals, evaluates alerting rules, and visualizes results. Designed for reliability in dynamic environments, it operates without reliance on distributed storage, ensuring each server node functions independently.
read the full Prometheus overview →
About FalkorDB
FalkorDB is a Rust based, Redis compatible graph database that stores graphs as sparse adjacency matrices and queries them with linear algebra, built for GraphRAG pipelines, agent memory, cloud security and fraud detection workloads.
read the full FalkorDB overview →
More in Infrastructure & Operations
Related comparisons
More Databases projects
Compare either of these against the rest of the Databases field.
Frequently asked questions
Is Prometheus or FalkorDB more popular?
Prometheus has 66,106 GitHub stars and FalkorDB has 6,152. Prometheus has the larger community by that measure.
Are Prometheus and FalkorDB free?
Both are open source. Prometheus is licensed under Apache-2.0, and FalkorDB has no licence declared in this registry. Both are free to self-host.
What is the difference between Prometheus and FalkorDB?
Prometheus is written in Go and FalkorDB in Rust. 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 FalkorDB?
Choose Prometheus if you want the larger community (66,106 stars) or its Apache-2.0 licence terms. Choose FalkorDB if its feature set, stack or Custom / other licence fits better. Both are self-hostable.