head to head · open source
Uptime Kuma vs transmittable-thread-local
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. transmittable-thread-local has 8,305 stars, 1,721 forks, 57 open issues and last shipped 5 months ago. Uptime Kuma leads on adoption by 1,022% (93,190 vs 8,305 stars). Uptime Kuma is written in JavaScript under MIT; transmittable-thread-local is written in Java under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, transmittable-thread-local 21%. Uptime Kuma 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
| Uptime Kuma | transmittable-thread-local | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 8.3K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-11-02 | 2026-06-18 |
| Forks | ⑂ 8.7K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 93K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick transmittable-thread-local if
- You want the transmittable-thread-local 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 transmittable-thread-local fits your workflow better
About Uptime Kuma
Uptime Kuma Uptime Kuma is an easy to use self hosted monitoring tool. 🥔 Live Demo Try it! Demo Server (Location: Frankfurt Germany): It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors. ⭐ Features Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Websocket / Ping / DNS Record / Push / Steam Game Server / Docker Containers Fancy, Reactive, Fast UI/UX Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list 20 second intervals Multi Languages Multiple…
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About transmittable-thread-local
[!IMPORTANT] 🚧 这个分支是 TransmittableThreadLocal(TTL) v3 ，在开发中还没有发布。 v3 的版本说明、工作项列表及其进展，参见 issue 432。 👉 目前使用中的稳定发布版本 v2.x 在 分支 2.x 上。 📖 English Documentation 📖 中文文档 🔧 功能 🎨 需求场景 👥 User Guide 1. 简单使用 2. 保证线程池中传递值 2.1 修饰 Runnable 和 Callable 整个过程的完整时序图 2.2 修饰线程池 2.3 使用 Java Agent 来修饰 JDK 线程池实现类 Java Agent 的启动参数配置 🔌 Java API Docs 🍪 Maven依赖 🔨 关于编译构建 ❓ FAQ ✨ 使用 TTL 的好处与必要性 🗿 更多文档 📚 相关资料 JDK Core Classes 💗 Who Used 👷 Contributors 🔧 功能 👉 TransmittableThreadLocal ( TTL )：在使用线程池等会池化复用线程的执行组件情况下，提供 ThreadLocal 值的传递功能，解决异步执行时上下文传递的问题。一个 Java 标准库本应为框架/中间件设施开发提供的标配能力，本库功能聚焦 & 0依赖，支持 Java 6 21 。 JDK 的…
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Frequently asked questions
Is Uptime Kuma or transmittable-thread-local more popular?
Uptime Kuma has 93,190 GitHub stars and transmittable-thread-local has 8,305. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and transmittable-thread-local free?
Both are open source. Uptime Kuma is licensed under MIT and transmittable-thread-local under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and transmittable-thread-local?
Uptime Kuma is written in JavaScript and transmittable-thread-local 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, Uptime Kuma or transmittable-thread-local?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose transmittable-thread-local if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.