head to head · open source
mall vs Chroma
mall has 84,789 GitHub stars, 29,826 forks, 15 open issues and last shipped 3 days ago. Chroma has 29,315 stars, 2,517 forks, 843 open issues and last shipped yesterday. mall leads on adoption by 189% (84,789 vs 29,315 stars). mall is written in Java under Apache-2.0; Chroma is written in Rust under Apache-2.0. mall has attracted 35% as many forks as stars, Chroma 9%. Chroma 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
| mall | Chroma | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 29K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Rust |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 30K | ⑂ 2.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick mall if
- You weight community size — 85K 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 Chroma if
- You want the Chroma 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 Chroma fits your workflow better
About mall
mall is a complete e commerce system built on Spring Boot and MyBatis, distributed as a Java project under the Apache 2.0 license. It ships two applications in one repository: a storefront system for shoppers and an administrative back office for operators. The storefront covers the home portal, product recommendation, product search, product display, shopping cart, order flow, member center, customer service, and help center. The back office covers product management, order management, member management, promotion management, operations management, content management, statistics reports, finance management, perm…
About Chroma
Chroma is an open source vector database designed to store, index, and retrieve embeddings for AI applications. It runs as a local Python or JavaScript client or in client server mode, providing a lightweight infrastructure layer for AI search and retrieval workloads. Built in Rust and licensed under Apache 2.0, it targets developers building RAG, agents, and other embedding dependent systems.
read the full Chroma overview →
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Frequently asked questions
Is mall or Chroma more popular?
mall has 84,789 GitHub stars and Chroma has 29,315. mall has the larger community by that measure.
Are mall and Chroma free?
Both are open source. mall is licensed under Apache-2.0 and Chroma under Apache-2.0. Neither carries a licence fee.
What is the difference between mall and Chroma?
mall is written in Java and Chroma 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, mall or Chroma?
Choose mall if you want the larger community (84,789 stars) or its Apache-2.0 licence terms. Choose Chroma if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.