head to head · open source
mall vs dejavu
mall has 84,792 GitHub stars, 29,827 forks, 15 open issues and last shipped 4 days ago. dejavu has 8,467 stars, 512 forks, 69 open issues and last shipped 3 months ago. mall leads on adoption by 901% (84,792 vs 8,467 stars). mall is written in Java under Apache-2.0; dejavu is written in JavaScript under MIT. mall has attracted 35% as many forks as stars, dejavu 6%. mall was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (elasticsearch), 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
| mall | dejavu | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 8.5K |
| License | Apache-2.0 | MIT |
| Written in | Java | JavaScript |
| Last push | 2026-09-15 | 2026-07-02 |
| Forks | ⑂ 30K | ⑂ 512 |
| 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 dejavu if
- You want the dejavu feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and dejavu 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 dejavu
Dejavu is a modern, 100% client side web UI for Elasticsearch and OpenSearch that lets developers import, browse, filter and edit index data and build faceted search UIs, aimed at engineers and operations teams who need to inspect a cluster without hand writing queries.
read the full dejavu overview →
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Frequently asked questions
Is mall or dejavu more popular?
mall has 84,792 GitHub stars and dejavu has 8,467. mall has the larger community by that measure.
Are mall and dejavu free?
Both are open source. mall is licensed under Apache-2.0 and dejavu under MIT. Neither carries a licence fee.
What is the difference between mall and dejavu?
mall is written in Java and dejavu in JavaScript. 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 dejavu?
Choose mall if you want the larger community (84,792 stars) or its Apache-2.0 licence terms. Choose dejavu if its feature set, stack or MIT licence fits better. Both are self-hostable.