head to head · open source
Vector vs jupiter
Vector has 22,589 GitHub stars, 2,286 forks, 2,512 open issues and last shipped 2 days ago. jupiter has 4,566 stars, 708 forks, 16 open issues and last shipped 3 days ago. Vector leads on adoption by 395% (22,589 vs 4,566 stars). Vector is written in Rust under MPL-2.0; jupiter is written in Go under Apache-2.0. Vector has attracted 10% as many forks as stars, jupiter 16%. 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 | jupiter | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 4.6K |
| License | MPL-2.0 | Apache-2.0 |
| Written in | Rust | Go |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 2.3K | ⑂ 708 |
| 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 jupiter if
- You want the jupiter feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and jupiter fits your workflow better
About Vector
Vector is an open source observability data pipeline written in Rust and licensed under MPL 2.0. It operates as an end to end system for collecting, transforming, and routing logs and metrics within the cloud native monitoring ecosystem. The project is maintained by Datadog's Community Open Source Engineering team, and its topics include agent, cloud native, data transformation, datadog, etl, events, forwarder, logs, metrics, and monitoring.
read the full Vector overview →
About jupiter
Jupiter is an Apache 2.0 governance oriented microservice framework written in Go that is used in production at Douyu, aimed at Go teams that want configuration, service discovery, metrics, tracing and RPC handled by the framework instead of by glue code in every service.
read the full jupiter overview →
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Frequently asked questions
Is Vector or jupiter more popular?
Vector has 22,589 GitHub stars and jupiter has 4,566. Vector has the larger community by that measure.
Are Vector and jupiter free?
Both are open source. Vector is licensed under MPL-2.0 and jupiter under Apache-2.0. Neither carries a licence fee.
What is the difference between Vector and jupiter?
Vector is written in Rust and jupiter 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, Vector or jupiter?
Choose Vector if you want the larger community (22,589 stars) or its MPL-2.0 licence terms. Choose jupiter if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.