head to head · open source
mall vs QuestDB
mall has 85,005 GitHub stars, 29,840 forks, 15 open issues and last shipped 2 months ago. QuestDB has 17,496 stars, 1,685 forks, 952 open issues and last shipped yesterday. mall leads on adoption by 386% (85,005 vs 17,496 stars). mall is written in Java under Apache-2.0; QuestDB is written in Java under Apache-2.0. mall has attracted 35% as many forks as stars, QuestDB 10%. 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
| mall | QuestDB | |
|---|---|---|
| GitHub stars | ★ 85K | ★ 17K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Java |
| Last push | 2026-09-15 | 2026-11-02 |
| Forks | ⑂ 30K | ⑂ 1.7K |
| 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 QuestDB if
- You want the QuestDB 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 QuestDB fits your workflow better
About mall
mall 友情提示 1. 快速体验项目 ：在线访问地址 。 2. 全套学习教程 ：《mall学习教程》 。 3. 视频教程 ：《mall视频教程》 。 4. 微服务版本 ：基于Spring Cloud Alibaba的项目：mall swarm 。 5. 分支说明 ： master 分支基于Spring Boot 3.5+JDK 17， dev v2 分支基于Spring Boot 2.7+JDK 8。 前言 mall 项目致力于打造一个完整的电商系统，采用现阶段主流技术实现。 项目文档 文档地址： 项目介绍 mall 项目是一套电商系统，包括前台商城系统及后台管理系统，基于SpringBoot+MyBatis实现，采用Docker容器化部署。前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。 项目演示 后台管理系统 前端项目 mall admin web 地址： 项目演示地址： 前台商城系统 前端项目 mall app web 地址： 项目演示地址（将浏览器切换为手机模式效果更佳）： 组织结构 技术选型 后端技术 前端技术 移动端技术 架构图 系统架构图 业务架构图 模块介绍 后台管理系统 mall admin 商品管理：功能结构图…
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 →
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Frequently asked questions
Is mall or QuestDB more popular?
mall has 85,005 GitHub stars and QuestDB has 17,496. mall has the larger community by that measure.
Are mall and QuestDB free?
Both are open source. mall is licensed under Apache-2.0 and QuestDB under Apache-2.0. Neither carries a licence fee.
What is the difference between mall and QuestDB?
mall is written in Java and QuestDB 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 QuestDB?
Choose mall if you want the larger community (85,005 stars) or its Apache-2.0 licence terms. Choose QuestDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.