head to head · open source
Uptime Kuma vs pup
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. pup has 1,040 stars, 138 forks, 12 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 8,861% (93,190 vs 1,040 stars). Uptime Kuma is written in JavaScript under MIT; pup is written in Rust under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, pup 13%. pup 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 | pup | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 1.0K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 138 |
| 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 pup if
- You want the pup feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and pup 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 pup
:dog2: Give Your Agent a Puppy: Introducing Pup CLI Every AI agent needs a loyal companion. Meet Pup — the CLI that gives your agents full access to Datadog's observability platform (because even autonomous agents need good tooling, not just tricks). What is Pup? A comprehensive, AI agent ready CLI covering a wide range of Datadog product domains. We've unleashed the full power of Datadog's APIs so your agents can fetch metrics, sniff out errors, and track down issues without barking up the wrong API tree. AI agents are the fastest growing interface for infrastructure management. Companies like Vercel and AWS…
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 pup more popular?
Uptime Kuma has 93,190 GitHub stars and pup has 1,040. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and pup free?
Both are open source. Uptime Kuma is licensed under MIT and pup under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and pup?
Uptime Kuma is written in JavaScript and pup in Rust. 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 pup?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose pup if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.