head to head · open source
QuestDB vs AITable
QuestDB has 17,496 GitHub stars, 1,685 forks, 952 open issues and last shipped yesterday. AITable has 15,658 stars, 1,427 forks, 307 open issues and last shipped 2 months ago. QuestDB leads on adoption by 12% (17,496 vs 15,658 stars). QuestDB is written in Java under Apache-2.0; AITable is written in TypeScript under AGPL-3.0. QuestDB has attracted 10% as many forks as stars, AITable 9%. QuestDB 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
| QuestDB | AITable | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 16K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Java | TypeScript |
| Last push | 2026-11-02 | 2026-09-06 |
| Forks | ⑂ 1.7K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick QuestDB if
- You weight community size — 17K 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 AITable if
- You want the AITable feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and AITable fits your workflow better
About QuestDB
English 简体中文 QuestDB is the open source, low latency time series database on open formats. It ingests millions of events per second, computes on live data in milliseconds, and keeps years of history queryable. One SQL engine spans ingestion, stream processing, and tiered storage. The engine is zero GC Java with C++ and Rust on the hot paths. Data lives in memory mapped, time partitioned columns. Queries run across all cores with SIMD and JIT compiled filters. There are no third party dependencies on the data path. Storage is tiered: a parallel write ahead log, native columnar partitions, and Apache Parquet. In…
read the full QuestDB overview →
About AITable
English Français Español Deutsch 简体中文 繁體中文 日本語 ✨ Quick Start If you just want to try out APITable[^info], use our cloud hosted AI version at aitable.ai. If you want to demo this APITable open source project, click here for ⚡️Gitpod Online Demo. If you want to try the self hosted APITable, 🚀 one click deploy with Dome here If you want to install APITable in your local or cloud computing environment, see 💾 Installation If you want to set up your local development environment, read our 🧑💻 Developer Guide Join Discord or Twitter to keep in touch. 🔥 Features Realtime Collaboration Automatic Form API first Panel…
read the full AITable overview →
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Frequently asked questions
Is QuestDB or AITable more popular?
QuestDB has 17,496 GitHub stars and AITable has 15,658. QuestDB has the larger community by that measure.
Are QuestDB and AITable free?
Both are open source. QuestDB is licensed under Apache-2.0 and AITable under AGPL-3.0. Neither carries a licence fee.
What is the difference between QuestDB and AITable?
QuestDB is written in Java and AITable in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, QuestDB or AITable?
Choose QuestDB if you want the larger community (17,496 stars) or its Apache-2.0 licence terms. Choose AITable if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.