head to head · open source
Mermaid vs echotrace
Mermaid has 90,299 GitHub stars, 9,266 forks, 1,781 open issues and last shipped 3 days ago. echotrace has 3,814 stars, 683 forks, 31 open issues and last shipped 6 months ago. Mermaid leads on adoption by 2,268% (90,299 vs 3,814 stars). Mermaid is written in TypeScript under MIT; echotrace is written in various languages under MIT. Mermaid has attracted 10% as many forks as stars, echotrace 18%. Mermaid 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
| Mermaid | echotrace | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 3.8K |
| License | MIT | MIT |
| Written in | TypeScript | — |
| Last push | 2026-09-15 | 2026-03-20 |
| Forks | ⑂ 9.3K | ⑂ 683 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Mermaid if
- You weight community size — 90K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick echotrace if
- You want the echotrace feature set and don't need the biggest community
- You prefer the MIT license terms
- You evaluated both and echotrace fits your workflow better
About Mermaid
Mermaid is a JavaScript based diagramming tool that renders diagrams from Markdown like text definitions. It lives in the JavaScript/TypeScript ecosystem and operates both in the browser and in Node.js environments. The project’s core purpose is to eliminate the gap between software development and documentation by letting developers write diagrams alongside code, avoiding the rot and overhead of manual diagram maintenance.
read the full Mermaid overview →
About echotrace
EchoTrace EchoTrace 是一个 完全本地 的微信聊天记录导出、分析与年度报告生成工具。它可以解密你的微信聊天记录并保存在本地离线查看，也可以将其导出为HTML等与朋友分享，还可以根据你的聊天记录为你生成独一无二的分析报告❤️ [!TIP] 如果导出聊天记录后，想深入分析聊天内容可以试试 ChatLab [!TIP] Echotrace现已停止维护 如想继续使用可以看看 WeFlow 对应Echotrace中的实时功能 或 密语 对应Echotrace中的备份功能 快速开始 面向新手的使用教程见 此文档 EchoTrace 为何而来 我想知道，这些年来，时间都带我遇见了谁，又留下了些什么 从生成的报告里，看到自己和某个朋友不知不觉间竟聊了上万句话，看到深夜里和朋友的互相倾诉，看到几万句话背后默默的陪伴，看到时间是如何悄无声息地，将一些人带到你的生命里，又将另一些人轻轻推向远方 我们总是在向前走，却很少有机会回头看看 如果这份小小的报告，能让你想起某个很久没联系的朋友，能让你对当下的陪伴心存感激，或者能在某个平凡的午后，给你带来一丝微笑和暖意，那么，这一切就都有了意义 面向开发者 如果你想从源码构建或为项目贡献代码，请遵循以下步骤： 更多架构、文件职责、调试与 CLI 说明，请阅读 开发者指引。 关于实时模式的实现可阅读 模块调用文档 未来计划 我们正在努力让 EchoTrace 变得更好，未来计划实现以下功…
read the full echotrace overview →
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Frequently asked questions
Is Mermaid or echotrace more popular?
Mermaid has 90,299 GitHub stars and echotrace has 3,814. Mermaid has the larger community by that measure.
Are Mermaid and echotrace free?
Both are open source. Mermaid is licensed under MIT and echotrace under MIT. Neither carries a licence fee.
What is the difference between Mermaid and echotrace?
Mermaid is written in TypeScript and echotrace in various languages. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Mermaid or echotrace?
Choose Mermaid if you want the larger community (90,299 stars) or its MIT licence terms. Choose echotrace if its feature set, stack or MIT licence fits better. Both are self-hostable.