head to head · open source
mall vs Apache IoTDB
mall has 84,789 GitHub stars, 29,826 forks, 15 open issues and last shipped 3 days ago. Apache IoTDB has 6,402 stars, 1,157 forks, 734 open issues and last shipped yesterday. mall leads on adoption by 1,224% (84,789 vs 6,402 stars). mall is written in Java under Apache-2.0; Apache IoTDB is written in Java under Apache-2.0. mall has attracted 35% as many forks as stars, Apache IoTDB 18%. Apache IoTDB was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (java), 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 | Apache IoTDB | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 6.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Java |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 30K | ⑂ 1.2K |
| 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 Apache IoTDB if
- You want the Apache IoTDB 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 Apache IoTDB 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 Apache IoTDB
Apache IoTDB is an Apache 2.0 licensed time series database written in Java that handles collection, storage, and analysis of industrial IoT time series data, built for teams that must ingest high throughput readings from very large fleets of devices and analyse them without leaving the Hadoop and Spark tooling they already run.
read the full Apache IoTDB overview →
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Frequently asked questions
Is mall or Apache IoTDB more popular?
mall has 84,789 GitHub stars and Apache IoTDB has 6,402. mall has the larger community by that measure.
Are mall and Apache IoTDB free?
Both are open source. mall is licensed under Apache-2.0 and Apache IoTDB under Apache-2.0. Neither carries a licence fee.
What is the difference between mall and Apache IoTDB?
mall is written in Java and Apache IoTDB 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, mall or Apache IoTDB?
Choose mall if you want the larger community (84,789 stars) or its Apache-2.0 licence terms. Choose Apache IoTDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.