head to head · open source
shardingsphere vs ReplicaDB
shardingsphere has 20,800 GitHub stars, 6,901 forks, 197 open issues and last shipped today. ReplicaDB has 500 stars, 114 forks, 4 open issues and last shipped yesterday. shardingsphere leads on adoption by 4,060% (20,800 vs 500 stars). shardingsphere is written in Java under Apache-2.0; ReplicaDB is written in Java under Apache-2.0. shardingsphere has attracted 33% as many forks as stars, ReplicaDB 23%. shardingsphere was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (database, mysql), 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.
← all 8884 open source comparisons
Side by side
| shardingsphere | ReplicaDB | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 500 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Java |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 6.9K | ⑂ 114 |
| 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 ReplicaDB if
- You want the ReplicaDB feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and ReplicaDB 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 ReplicaDB
ReplicaDB is a high performance, open source command line tool for bulk data replication between heterogeneous databases. It enables efficient ETL/ELT workflows by transferring data in parallel between Oracle, PostgreSQL, MySQL, MongoDB, SQL Server, and other databases without requiring database agents or triggers. ReplicaDB supports a wide range of data sources including relational databases (Oracle, PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, IBM DB2 LUW and DB2 for i), NoSQL databases (MongoDB), data virtualization platforms (Denodo), file formats (CSV), cloud storage (Amazon S3), and streaming platforms (…
read the full ReplicaDB overview →
More in Data & Analytics
Related comparisons
More Data Engineering & Integration projects
Compare either of these against the rest of the Data Engineering & Integration field.
Frequently asked questions
Is shardingsphere or ReplicaDB more popular?
shardingsphere has 20,800 GitHub stars and ReplicaDB has 500. shardingsphere has the larger community by that measure.
Are shardingsphere and ReplicaDB free?
Both are open source. shardingsphere is licensed under Apache-2.0 and ReplicaDB under Apache-2.0. Neither carries a licence fee.
What is the difference between shardingsphere and ReplicaDB?
shardingsphere is written in Java and ReplicaDB in Java. 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 ReplicaDB?
Choose shardingsphere if you want the larger community (20,800 stars) or its Apache-2.0 licence terms. Choose ReplicaDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.