head to head · open source
Uptime Kuma vs opentelemetry-cpp
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. opentelemetry-cpp has 1,390 stars, 660 forks, 290 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 6,604% (93,190 vs 1,390 stars). Uptime Kuma is written in JavaScript under MIT; opentelemetry-cpp is written in C++ under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, opentelemetry-cpp 47%. 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.
← all 20902 open source comparisons
Side by side
| Uptime Kuma | opentelemetry-cpp | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 1.4K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | C++ |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 8.7K | ⑂ 660 |
| 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 opentelemetry-cpp if
- You want the opentelemetry-cpp feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and opentelemetry-cpp 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…
read the full Uptime Kuma overview →
About opentelemetry-cpp
OpenTelemetry C++ The C++ OpenTelemetry client. Project Status Stable across all 3 signals i.e. Logs , Metrics , and Traces . See Spec Compliance Matrix to understand which portions of the specification has been implemented in this repo. Supported C++ Versions Code shipped from this repository generally supports the following versions of C++ standards: ISO/IEC 14882:2014 (C++14) ISO/IEC 14882:2017 (C++17) ISO/IEC 14882:2020 (C++20) ISO/IEC 14882:2024 (C++23) Any exceptions to this are noted in the individual README.md files. Please note that supporting the C Programming Language) is not a goal of the current…
read the full opentelemetry-cpp overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is Uptime Kuma or opentelemetry-cpp more popular?
Uptime Kuma has 93,190 GitHub stars and opentelemetry-cpp has 1,390. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and opentelemetry-cpp free?
Both are open source. Uptime Kuma is licensed under MIT and opentelemetry-cpp under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and opentelemetry-cpp?
Uptime Kuma is written in JavaScript and opentelemetry-cpp 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, Uptime Kuma or opentelemetry-cpp?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose opentelemetry-cpp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.