head to head · open source
shardingsphere vs olake
shardingsphere has 20,817 GitHub stars, 6,906 forks, 197 open issues and last shipped yesterday. olake has 1,574 stars, 273 forks, 178 open issues and last shipped yesterday. shardingsphere leads on adoption by 1,223% (20,817 vs 1,574 stars). shardingsphere is written in Java under Apache-2.0; olake is written in Go under Apache-2.0. shardingsphere has attracted 33% as many forks as stars, olake 17%. shardingsphere was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (data-pipeline, database), 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
| shardingsphere | olake | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 6.9K | ⑂ 273 |
| 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 olake if
- You want the olake 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 olake fits your workflow better
About shardingsphere
Apache ShardingSphere Enterprise Distributed Database Ecosystem Building the standards and ecosystem on top of heterogeneous databases, empowering enterprise data architecture transformation Official Website: OVERVIEW Apache ShardingSphere is positioned as Database Plus , a standard and ecosystem built on top of heterogeneous databases. As an operating system layer above databases, ShardingSphere does not create new databases but focuses on maximizing the computing capabilities of existing databases, providing unified data access and enhanced computing capabilities. Database Plus Core Concept : By building a…
read the full shardingsphere overview →
About olake
OLake Go OLake Go is a high performance, open source data ingestion engine for replicating databases, S3, and Kafka into Apache Iceberg (or plain Parquet). Built for scalable, real time pipelines, OLake Go provides a simple web UI and CLI used to ingest into vendor lock in free Iceberg tables supporting all the query engines/warehouses. Read the docs and benchmarks at olake.io/docs . Join our active community on Slack . [!NOTE] 🎉 OLake Fusion is now live! — Automate your Apache Iceberg Table Maintenance. Check it out here → github.com/datazip inc/olake fusion 🎉 OLake Go — Super fast Sync to Apache Iceberg…
read the full olake overview →
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Frequently asked questions
Is shardingsphere or olake more popular?
shardingsphere has 20,817 GitHub stars and olake has 1,574. shardingsphere has the larger community by that measure.
Are shardingsphere and olake free?
Both are open source. shardingsphere is licensed under Apache-2.0 and olake under Apache-2.0. Neither carries a licence fee.
What is the difference between shardingsphere and olake?
shardingsphere is written in Java and olake 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 olake?
Choose shardingsphere if you want the larger community (20,817 stars) or its Apache-2.0 licence terms. Choose olake if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.