head to head · open source
ralph vs rebuild
ralph has 2,531 GitHub stars, 593 forks, 124 open issues and last shipped yesterday. rebuild has 1,098 stars, 262 forks, 10 open issues and last shipped yesterday. ralph leads on adoption by 131% (2,531 vs 1,098 stars). ralph is written in Python under Apache-2.0; rebuild is written in Java under GPL-3.0. ralph has attracted 23% as many forks as stars, rebuild 24%. rebuild 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
| ralph | rebuild | |
|---|---|---|
| GitHub stars | ★ 2.5K | ★ 1.1K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 593 | ⑂ 262 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ralph if
- You weight community size — 2.5K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick rebuild if
- You want the rebuild feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and rebuild fits your workflow better
About ralph
Ralph Update 2025/02 As Allegro, we continue to publish Ralph's source code and will maintain its development under a "Sources only" model, without guarantees. We believe this approach will be beneficial, allowing everyone to use and build upon the software. Our current goal is to modernize the software and ensure its long term maintainability, and we're investing into it in 2025. However, we are not operating under a contribution based model. While we welcome discussions, we do not guarantee responses to issues or support for pull requests. If you require commercial support, please visit We sincerely appreciate…
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About rebuild
REBUILD 高度可配置化的企业管理系统 在线体验 · 下载安装 · 更新日志 · 更多介绍 项目简介 相较于同类产品，REBUILD 更侧重于业务需求实现，而非基础的技术框架或项目启动模板。 「开放式设计」是 REBUILD 的重要设计理念。得益于团队成熟的企业管理系统经验，我们实现了对企业日常各类需求的可配置化管理，全图形化设计零代码搭建，所见即所得。 核心能力 为什么需要 REBUILD 相较于传统软件系统，REBUILD 提供了绝佳的灵活性与可控性，可以完全按照企业需求进行量身打造。同时，当系统投入使用一段时间后会遇到业务变化或需求变更，通过 REBUILD 提供的高度可配置化能力，可快速完成需求变更而无需额外投入。 REBUILD 适合哪类用户 开始使用 开始使用 REBUILD 非常简单，无需配置复杂的运行环境，零依赖快速部署！如只想快速了解，也可直接 在线体验（默认超级管理员用户名密码为 admin admin ）。 1. 使用 Docker 启动后访问 开始体验。生产环境建议配合 MySQL 使用，更多详情请参见 Docker 安装指南。 2. 使用已发布版本 首先 下载 安装包，我们同时提供 standalone 与 boot 两种安装包。 standalone 为集成安装包， boot 为 SpringBoot 的 jar 包，两种安装包在功能上没有区别，根据你所使用的平台选择合适的安装包。…
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Frequently asked questions
Is ralph or rebuild more popular?
ralph has 2,531 GitHub stars and rebuild has 1,098. ralph has the larger community by that measure.
Are ralph and rebuild free?
Both are open source. ralph is licensed under Apache-2.0 and rebuild under GPL-3.0. Neither carries a licence fee.
What is the difference between ralph and rebuild?
ralph is written in Python and rebuild 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, ralph or rebuild?
Choose ralph if you want the larger community (2,531 stars) or its Apache-2.0 licence terms. Choose rebuild if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.