head to head · open source
Vector vs moosestack
Vector has 22,793 GitHub stars, 2,371 forks, 2,512 open issues and last shipped yesterday. moosestack has 591 stars, 32 forks, 1 open issues and last shipped 2 days ago. Vector leads on adoption by 3,757% (22,793 vs 591 stars). Vector is written in Rust under MPL-2.0; moosestack is written in Rust under MIT. Vector has attracted 10% as many forks as stars, moosestack 5%. Vector was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (metrics), so they are genuine substitutes rather than adjacent tools.
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
| Vector | moosestack | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 591 |
| License | MPL-2.0 | MIT |
| Written in | Rust | Rust |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.4K | ⑂ 32 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Vector if
- You weight community size — 23K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick moosestack if
- You want the moosestack feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and moosestack fits your workflow better
About Vector
Quickstart • Docs • Guides • Integrations • Chat • Download • Container Images • Rust Crate Docs What is Vector? Vector is a high performance, end to end (agent & aggregator) observability data pipeline that puts you in control of your observability data. [Collect][docs.sources], [transform][docs.transforms], and [route][docs.sinks] all your logs and metrics to any vendors you want today and any other vendors you may want tomorrow. Vector enables dramatic cost reduction, novel data enrichment, and data security where you need it, not where it is most convenient for your…
read the full Vector overview →
About moosestack
[!IMPORTANT] MooseStack has reached end of life and is no longer actively maintained. As users, we loved the idea of the MooseStack harness. But as coding agents became our primary users over the last couple of years, results from the Agent Experience Platform (AXP) made it clear that they would rather free solo on the underlying tools than use our product. We cannot in good faith keep building tools that make their work harder. Thank you to everyone who supported MooseStack and helped us test the idea. You can learn more about AXP in the docs. MooseStack The developer agent harness for ClickHouse — MooseStack…
read the full moosestack overview →
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Frequently asked questions
Is Vector or moosestack more popular?
Vector has 22,793 GitHub stars and moosestack has 591. Vector has the larger community by that measure.
Are Vector and moosestack free?
Both are open source. Vector is licensed under MPL-2.0 and moosestack under MIT. Neither carries a licence fee.
What is the difference between Vector and moosestack?
Vector is written in Rust and moosestack 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, Vector or moosestack?
Choose Vector if you want the larger community (22,793 stars) or its MPL-2.0 licence terms. Choose moosestack if its feature set, stack or MIT licence fits better. Both are self-hostable.