head to head · open source
reaction vs module-shop
reaction has 12,399 GitHub stars, 2,175 forks, 96 open issues and last shipped 7 months ago. module-shop has 958 stars, 322 forks, 7 open issues and last shipped 8 months ago. reaction leads on adoption by 1,194% (12,399 vs 958 stars). reaction is written in JavaScript under GPL-3.0; module-shop is written in C# under MIT. reaction has attracted 18% as many forks as stars, module-shop 34%. reaction was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ecommerce), 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
| reaction | module-shop | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 958 |
| License | GPL-3.0 | MIT |
| Written in | JavaScript | C# |
| Last push | 2026-03-01 | 2026-01-12 |
| Forks | ⑂ 2.2K | ⑂ 322 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick reaction if
- You weight community size — 12K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick module-shop if
- You want the module-shop feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and module-shop fits your workflow better
About reaction
Mailchimp Open Commerce, formerly Reaction Commerce, is an API first, headless commerce platform built on Node.js, MongoDB, and GraphQL for development teams that want to run a custom storefront, marketplace, or multi shop operation on their own infrastructure — and the project has been discontinued.
read the full reaction overview →
About module-shop
Module Shop 一个基于 .NET 8.0 构建的简单、跨平台、模块化的商城系统 推荐项目👍👍 🍚 一个用于对比测试多种数据库性能的 .NET 控制台应用程序，数据库性能评测。 🚀 UltraKV 单文件极速键值存储引擎，🎯 极简代码，极致性能。 使用 .NET 8.0，一个基于阿里云盘官方 API 授权的自动同步和备份工具，支持云盘挂载到本地，多平台、安全、自动化的数据管理方案，欢迎收藏与支持！ 代理 Midjourney 的 Discord 频道，实现 api 形式调用 AI 绘图（C 版本），公益项目，全球 AI 模型免费使用，欢迎收藏与支持！ 跨平台 Docker, Windows, Linux, Mac. Microsoft SQL Server, PostgreSQL, MySQL, SQLite 模块化 该应用程序分为许多自包含模块 免费并且开源 ModuleShop完全免费并且开源 后台服务 / API 项目地址：/src/server 接口文档 包含对业务的中文说明和注释。 支持 Swagger 免输入 token 在线调用接口（自动记忆），请使用 MockApi 模拟用户登录，在线调试 API。 在线文档： 管理后台： admin/123456 Visual Studio 2022 和 SQL Server/ MySQL 先决条件 SQL Server / MySQL 服务器 Vis…
read the full module-shop overview →
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Frequently asked questions
Is reaction or module-shop more popular?
reaction has 12,399 GitHub stars and module-shop has 958. reaction has the larger community by that measure.
Are reaction and module-shop free?
Both are open source. reaction is licensed under GPL-3.0 and module-shop under MIT. Neither carries a licence fee.
What is the difference between reaction and module-shop?
reaction is written in JavaScript and module-shop 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, reaction or module-shop?
Choose reaction if you want the larger community (12,399 stars) or its GPL-3.0 licence terms. Choose module-shop if its feature set, stack or MIT licence fits better. Both are self-hostable.