head to head · open source
SigNoz vs transmittable-thread-local
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 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. SigNoz leads on adoption by 292% (32,525 vs 8,305 stars). SigNoz is written in TypeScript under a custom or non-standard licence; transmittable-thread-local is written in Java under Apache-2.0. SigNoz has attracted 8% as many forks as stars, transmittable-thread-local 21%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (apm, distributed-tracing), 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
| SigNoz | transmittable-thread-local | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 8.3K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-04 | 2026-06-18 |
| Forks | ⑂ 2.6K | ⑂ 1.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 33K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- 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 SigNoz
中文 · Deutsch · Português SigNoz is an open source observability platform built on OpenTelemetry. We’re building an enterprise grade alternative to fragmented monitoring stacks, with logs, metrics, traces, alerts, and dashboards in one place. Choose how to run SigNoz SigNoz Cloud (Recommended) Fully managed SigNoz with a 30 day free trial, no credit card required, usage based pricing that starts at $49, and regional data hosting. Start free → Enterprise Enterprise Cloud, BYOC, or Enterprise Self Hosted with compliance, support, custom retention, RBAC, ingestion controls, data residency, and region selection…
read the full SigNoz overview →
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 SigNoz or transmittable-thread-local more popular?
SigNoz has 32,525 GitHub stars and transmittable-thread-local has 8,305. SigNoz has the larger community by that measure.
Are SigNoz and transmittable-thread-local free?
Both are open source. SigNoz has no licence declared in this registry, and transmittable-thread-local is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and transmittable-thread-local?
SigNoz is written in TypeScript 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, SigNoz or transmittable-thread-local?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose transmittable-thread-local if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.