head to head · open source
lancedb vs arcadedb
lancedb has 11,841 GitHub stars, 1,150 forks, 627 open issues and last shipped yesterday. arcadedb has 1,233 stars, 164 forks, 167 open issues and last shipped yesterday. lancedb leads on adoption by 860% (11,841 vs 1,233 stars). lancedb is written in Rust under Apache-2.0; arcadedb is written in Java under Apache-2.0. lancedb has attracted 10% as many forks as stars, arcadedb 13%. lancedb 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.
← all 20902 open source comparisons
Side by side
| lancedb | arcadedb | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 1.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Java |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 1.1K | ⑂ 164 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lancedb if
- You weight community size — 12K 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 arcadedb if
- You want the arcadedb 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 arcadedb fits your workflow better
About lancedb
The Multimodal AI Lakehouse How to Install ✦ Detailed Documentation ✦ Tutorials and Recipes ✦ Contributors The ultimate multimodal data platform for AI/ML applications. LanceDB is designed for fast, scalable, and production ready vector search. It is built on top of the Lance columnar format. You can store, index, and search over petabytes of multimodal data and vectors with ease. LanceDB is a central location where developers can build, train and analyze their AI workloads. Demo: Multimodal Search by Keyword, Vector or with SQL Star LanceDB to get updates! ⭐ Click here ⭐ to see how fast we're growing! Key…
read the full lancedb overview →
About arcadedb
Multi Model DBMS Built for Extreme Performance ArcadeDB is a Multi Model DBMS created by Luca Garulli, the same founder of OrientDB, after SAP's acquisition. Written from scratch with a brand new engine made of Alien Technology, ArcadeDB is able to crunch millions of records per second on common hardware with minimal resource usage. ArcadeDB reuses OrientDB's SQL engine (heavily modified) and some utility classes. It's written in LLJ: Low Level Java still Java21+ but only using low level APIs to leverage advanced mechanical sympathy techniques and reduce Garbage Collector pressure. Highly optimized for extreme…
read the full arcadedb overview →
More in AI & Machine Learning
Related comparisons
More Machine Learning Infrastructure projects
Compare either of these against the rest of the Machine Learning Infrastructure field.
Frequently asked questions
Is lancedb or arcadedb more popular?
lancedb has 11,841 GitHub stars and arcadedb has 1,233. lancedb has the larger community by that measure.
Are lancedb and arcadedb free?
Both are open source. lancedb is licensed under Apache-2.0 and arcadedb under Apache-2.0. Neither carries a licence fee.
What is the difference between lancedb and arcadedb?
lancedb is written in Rust and arcadedb 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, lancedb or arcadedb?
Choose lancedb if you want the larger community (11,841 stars) or its Apache-2.0 licence terms. Choose arcadedb if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.