head to head · open source
shardingsphere vs fluvio
shardingsphere has 20,800 GitHub stars, 6,900 forks, 197 open issues and last shipped yesterday. fluvio has 5,256 stars, 530 forks, 139 open issues and last shipped 19 days ago. shardingsphere leads on adoption by 296% (20,800 vs 5,256 stars). shardingsphere is written in Java under Apache-2.0; fluvio is written in Rust under Apache-2.0. shardingsphere has attracted 33% as many forks as stars, fluvio 10%. shardingsphere 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
| shardingsphere | fluvio | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 5.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Rust |
| Last push | 2026-09-17 | 2026-08-30 |
| Forks | ⑂ 6.9K | ⑂ 530 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick shardingsphere if
- You weight community size — 21K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick fluvio if
- You want the fluvio feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and fluvio fits your workflow better
About shardingsphere
Apache ShardingSphere is an Apache 2.0 licensed, Java based distributed database ecosystem positioned as Database Plus — a standards and enhancement layer that sits above heterogeneous databases so applications can connect to, govern, and compute across them as if they were one database, aimed at enterprise data architects and developers running sharded, multi database estates.
read the full shardingsphere overview →
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 →
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Frequently asked questions
Is shardingsphere or fluvio more popular?
shardingsphere has 20,800 GitHub stars and fluvio has 5,256. shardingsphere has the larger community by that measure.
Are shardingsphere and fluvio free?
Both are open source. shardingsphere is licensed under Apache-2.0 and fluvio under Apache-2.0. Neither carries a licence fee.
What is the difference between shardingsphere and fluvio?
shardingsphere is written in Java and fluvio 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, shardingsphere or fluvio?
Choose shardingsphere if you want the larger community (20,800 stars) or its Apache-2.0 licence terms. Choose fluvio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.