head to head · open source
mall vs UStore
mall has 84,792 GitHub stars, 29,827 forks, 15 open issues and last shipped 3 days ago. UStore has 638 stars, 35 forks, 26 open issues and last shipped 3 days ago. mall leads on adoption by 13,190% (84,792 vs 638 stars). mall is written in Java under Apache-2.0; UStore is written in C++ under Apache-2.0. mall has attracted 35% as many forks as stars, UStore 5%. UStore 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 | UStore | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 638 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | C++ |
| Last push | 2026-09-15 | 2026-09-15 |
| Forks | ⑂ 30K | ⑂ 35 |
| 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 UStore if
- You want the UStore feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and UStore 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 UStore
UStore Modular 1 Multi Modal 2 Transactional 3 Database For Artificial Intelligence 4 and Semantic Search 5 1. supports: RocksDB • LevelDB • UDisk • UCSet backends 2. can store: Blobs • Documents • Graphs • 🔜 Features • 🔜 Texts 3: guarantees Atomicity • Consistency • Isolation • Durability 4: comes with Pandas and NetworkX API and 🔜 PyTorch data loaders 5: brings vector search integrated with USearch and UForm drivers : Python • C • C++ • GoLang • Java packages : PyPI • CMake • Docker Hub Youtube intro • Discord chat • Full documentation Quickstart Installing UStore is a breeze, and the usage is about as simpl…
read the full UStore overview →
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Frequently asked questions
Is mall or UStore more popular?
mall has 84,792 GitHub stars and UStore has 638. mall has the larger community by that measure.
Are mall and UStore free?
Both are open source. mall is licensed under Apache-2.0 and UStore under Apache-2.0. Neither carries a licence fee.
What is the difference between mall and UStore?
mall is written in Java and UStore in C++. 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 UStore?
Choose mall if you want the larger community (84,792 stars) or its Apache-2.0 licence terms. Choose UStore if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.