head to head · open source
Prometheus vs Activeloop
Prometheus has 66,106 GitHub stars, 10,840 forks, 890 open issues and last shipped yesterday. Activeloop has 9,238 stars, 722 forks, 66 open issues and last shipped 4 months ago. Prometheus leads on adoption by 616% (66,106 vs 9,238 stars). Prometheus is written in Go under Apache-2.0; Activeloop is written in C++ under Apache-2.0. Prometheus has attracted 16% as many forks as stars, Activeloop 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.
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Side by side
| Prometheus | Activeloop | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 9.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | C++ |
| Last push | 2026-09-17 | 2026-05-21 |
| Forks | ⑂ 11K | ⑂ 722 |
| 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 Activeloop if
- You want the Activeloop feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and Activeloop 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 Activeloop
Activeloop Deep Lake is an open source database for AI data, written in C++ under Apache 2.0. It presents itself as a tensor database and AI data runtime for agents, combining serverless Postgres with a multimodal datalake for scalable retrieval and training. The project lives in the machine learning infrastructure ecosystem.
read the full Activeloop overview →
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Frequently asked questions
Is Prometheus or Activeloop more popular?
Prometheus has 66,106 GitHub stars and Activeloop has 9,238. Prometheus has the larger community by that measure.
Are Prometheus and Activeloop free?
Both are open source. Prometheus is licensed under Apache-2.0 and Activeloop under Apache-2.0. Neither carries a licence fee.
What is the difference between Prometheus and Activeloop?
Prometheus is written in Go and Activeloop in C++. 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 Activeloop?
Choose Prometheus if you want the larger community (66,106 stars) or its Apache-2.0 licence terms. Choose Activeloop if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.