head to head · open source
fluvio vs wexflow
fluvio has 5,257 GitHub stars, 530 forks, 139 open issues and last shipped 21 days ago. wexflow has 842 stars, 189 forks, 0 open issues and last shipped 9 days ago. fluvio leads on adoption by 524% (5,257 vs 842 stars). fluvio is written in Rust under Apache-2.0; wexflow is written in C# under MIT. fluvio has attracted 10% as many forks as stars, wexflow 22%. wexflow 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
| fluvio | wexflow | |
|---|---|---|
| GitHub stars | ★ 5.3K | ★ 842 |
| License | Apache-2.0 | MIT |
| Written in | Rust | C# |
| Last push | 2026-08-30 | 2026-09-11 |
| Forks | ⑂ 530 | ⑂ 189 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fluvio if
- You weight community size — 5.3K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick wexflow if
- You want the wexflow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and wexflow fits your workflow better
About fluvio
Fluvio is a distributed data streaming engine written in Rust, distributed under the Apache 2.0 license and developed in the fluvio community repository. It is described as composable, declarative and stateful: a streaming runtime that pairs with Stateful DataFlow, a distributed stream processing framework, so that a single system covers both the transport of event streams and the transformation of that data while it is in motion. The project sits in the Rust and cloud native ecosystem and is published on crates.io, with documentation hosted at fluvio.io.
read the full fluvio overview →
About wexflow
Wexflow is an open source, cross platform workflow automation engine written in C for developers and technical users who need to automate file operations, system processes, scripting, networking, scheduling and alerts instead of maintaining that plumbing by hand.
read the full wexflow overview →
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Frequently asked questions
Is fluvio or wexflow more popular?
fluvio has 5,257 GitHub stars and wexflow has 842. fluvio has the larger community by that measure.
Are fluvio and wexflow free?
Both are open source. fluvio is licensed under Apache-2.0 and wexflow under MIT. Neither carries a licence fee.
What is the difference between fluvio and wexflow?
fluvio is written in Rust and wexflow 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, fluvio or wexflow?
Choose fluvio if you want the larger community (5,257 stars) or its Apache-2.0 licence terms. Choose wexflow if its feature set, stack or MIT licence fits better. Both are self-hostable.