head to head · open source
shardingsphere vs peerdb
shardingsphere has 20,800 GitHub stars, 6,900 forks, 197 open issues and last shipped yesterday. peerdb has 3,272 stars, 212 forks, 204 open issues and last shipped yesterday. shardingsphere leads on adoption by 536% (20,800 vs 3,272 stars). shardingsphere is written in Java under Apache-2.0; peerdb is written in Go under AGPL-3.0. shardingsphere has attracted 33% as many forks as stars, peerdb 6%. 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 | peerdb | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 3.3K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 212 |
| 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 peerdb if
- You want the peerdb feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and peerdb 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 peerdb
PeerDB is a data integration project in the Postgres ecosystem. It lives in the Data & Analytics / Data Engineering & Integration category and focuses on streaming data from Postgres to data warehouses, queues, and storage engines. The project is built around Postgres first ETL and change data capture workflows rather than a broad connector catalog.
read the full peerdb overview →
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Frequently asked questions
Is shardingsphere or peerdb more popular?
shardingsphere has 20,800 GitHub stars and peerdb has 3,272. shardingsphere has the larger community by that measure.
Are shardingsphere and peerdb free?
Both are open source. shardingsphere is licensed under Apache-2.0 and peerdb under AGPL-3.0. Neither carries a licence fee.
What is the difference between shardingsphere and peerdb?
shardingsphere is written in Java and peerdb 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, shardingsphere or peerdb?
Choose shardingsphere if you want the larger community (20,800 stars) or its Apache-2.0 licence terms. Choose peerdb if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.