head to head · open source
mall vs TDengine
mall has 84,789 GitHub stars, 29,826 forks, 15 open issues and last shipped 3 days ago. TDengine has 25,121 stars, 5,018 forks, 434 open issues and last shipped yesterday. mall leads on adoption by 238% (84,789 vs 25,121 stars). mall is written in Java under Apache-2.0; TDengine is written in C under AGPL-3.0. mall has attracted 35% as many forks as stars, TDengine 20%. TDengine 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 | TDengine | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 25K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Java | C |
| Last push | 2026-09-15 | 2026-09-17 |
| Forks | ⑂ 30K | ⑂ 5.0K |
| 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 TDengine if
- You want the TDengine feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches C
- You evaluated both and TDengine 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 TDengine
TDengine is an open source, cloud native time series database written in C and licensed under AGPL 3.0, designed for IoT, connected car and Industrial IoT workloads that ingest TB and even PB scale data per day from billions of sensors and data collectors.
read the full TDengine overview →
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Frequently asked questions
Is mall or TDengine more popular?
mall has 84,789 GitHub stars and TDengine has 25,121. mall has the larger community by that measure.
Are mall and TDengine free?
Both are open source. mall is licensed under Apache-2.0 and TDengine under AGPL-3.0. Neither carries a licence fee.
What is the difference between mall and TDengine?
mall is written in Java and TDengine 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 TDengine?
Choose mall if you want the larger community (84,789 stars) or its Apache-2.0 licence terms. Choose TDengine if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.