head to head · open source
Uptime Kuma vs NebulaLogger
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. NebulaLogger has 974 stars, 252 forks, 92 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 9,468% (93,190 vs 974 stars). Uptime Kuma is written in JavaScript under MIT; NebulaLogger is written in Apex under MIT. Uptime Kuma has attracted 9% as many forks as stars, NebulaLogger 26%. 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 | NebulaLogger | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 974 |
| License | MIT | MIT |
| Written in | JavaScript | Apex |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 252 |
| 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 NebulaLogger if
- You want the NebulaLogger feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Apex
- You evaluated both and NebulaLogger 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 NebulaLogger
Nebula Logger for Salesforce The most robust observability solution for Salesforce experts. Built 100% natively on the platform, and designed to work seamlessly with Apex, Lightning Components, Flow, OmniStudio, and integrations. Unlocked Package v4.19.5 sf package install wait 20 security type AdminsOnly package 04tg7000000IzRdAAK Managed Package v4.19.0 sf package install wait 30 security type AdminsOnly package 04tg7000000GZbJAAW AI Agent Skills Nebula Logger includes Agent Skills that help AI coding agents (Claude Code, GitHub Copilot, Cursor, and others) install, configure, and use Nebula Logger with the…
read the full NebulaLogger overview →
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Frequently asked questions
Is Uptime Kuma or NebulaLogger more popular?
Uptime Kuma has 93,190 GitHub stars and NebulaLogger has 974. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and NebulaLogger free?
Both are open source. Uptime Kuma is licensed under MIT and NebulaLogger under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and NebulaLogger?
Uptime Kuma is written in JavaScript and NebulaLogger in Apex. 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 NebulaLogger?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose NebulaLogger if its feature set, stack or MIT licence fits better. Both are self-hostable.