Best Open-Source UptimeRobot Alternatives (2026)
5 self-hostable, open-source projects that replace UptimeRobot — without monitor and interval limits. Each is scored for how hard it is to self-host, with one-click deploy options where they exist.
UptimeRobot's free and lower tiers cap how many monitors you can run and how often they check (the long minimum intervals are the usual frustration), and removing those limits means paying up. Self-hosting lets you run unlimited monitors at whatever interval you want and keeps your check history on your own box.
Our picks at a glance
Difficulty 2/5, single Docker container, and a UI built for exactly this job with no config files to write.
Adds globally distributed probes on top of uptime monitoring and status pages, going beyond simple up/down checks from one location.
~88,000 stars and a fast release cadence put it far ahead of the rest of the field.
Offers a mature official hosted service with a free tier for up to 20 checks, alongside the self-host option.
Compare all 5 alternatives
Tap a column header to sort| Project | Deploy | Managed | License | ||||
|---|---|---|---|---|---|---|---|
 Uptime Kuma JavaScript | 88k ★ | 2/5 Easy | Docker Docker Compose +1 | MIT | 2 days ago | Repo | |
 Gatus Go | 11k ★ | 2/5 Easy | Docker Docker Compose +2 | Apache-2.0 | 10 days ago | Repo | |
 Healthchecks Python | 10k ★ | 4/5 Involved | Docker Docker Compose +1 | BSD-3-Clause | 3 days ago | Repo | |
 OpenStatus TypeScript | 8.8k ★ | 4/5 Involved | Docker Docker Compose +1 | AGPL-3.0 | 2 days ago | Repo | |
 Vigil Rust | 1.9k ★ | 4/5 Involved | Docker Manual | MPL-2.0 | 1 month ago | Repo |
What to look for: Match the tool to the kind of checks you need: outbound probes that poll your endpoints (Uptime Kuma, Gatus, OpenStatus) versus inbound heartbeat/dead-man's-switch monitoring for cron jobs (Healthchecks). Confirm notification channel coverage and, if uptime SLAs matter, that the project tracks and reports historical availability.
The alternatives, reviewed
- #1
Uptime KumaSelf-host: EasyFancy self-hosted uptime monitoring with a beautiful dashboard and status pages
88k JavaScript MIT 2 days agoHow it compares to UptimeRobot
- Single-node by design; no built-in multi-region / global probe network like Pingdom or UptimeRobot Pro
- Status pages are simpler than Statuspage.io (limited custom domains UX, no subscriber-tier management, fewer branding controls)
- No SLA reporting/analytics depth or team RBAC found in commercial offerings
- Scaling to thousands of monitors can strain the single SQLite/MariaDB backend
- #2
GatusSelf-host: EasyDeveloper-oriented health dashboard with declarative YAML config and status pages
11k Go Apache-2.0 10 days agoHow it compares to UptimeRobot
- Configuration is YAML-only; no UI to add/edit monitors (less friendly than UptimeRobot's dashboard)
- Status pages are basic compared to Statuspage.io (no incident timeline workflow, subscriber management, or component grouping UX)
- No built-in multi-region probing without running multiple instances
- Limited historical analytics / long-term reporting
- #3
HealthchecksSelf-host: InvolvedCron job and scheduled task monitoring with dead man's switch alerting
10k Python BSD-3-Clause 3 days agoHow it compares to UptimeRobot
- Focused on cron/heartbeat monitoring; it does NOT actively poll URLs for uptime like Pingdom/UptimeRobot
- No status page feature
- Manual setup requires configuring PostgreSQL/MySQL, SMTP, and a worker; Docker images are community-driven
- No synthetic transaction or multi-region checks
- #4
OpenStatusSelf-host: InvolvedOpen-source uptime monitoring and status page platform with global probes
8.8k TypeScript AGPL-3.0 2 days agoHow it compares to UptimeRobot
- Self-hosting is non-trivial: depends on services like Turso/SQLite, Tinybird, and serverless checkers; the OSS path is less documented than the cloud product
- Global multi-region probing is most seamless on their hosted cloud, not self-host
- Younger project; fewer integrations than mature commercial tools
- Some advanced features are gated toward the managed offering
- #5
VigilSelf-host: InvolvedMicroservices status page in Rust that monitors infrastructure and alerts
1.9k Rust MPL-2.0 1 month agoHow it compares to UptimeRobot
- Configuration is TOML-file based with no admin UI
- Status page and incident workflow are simpler than Statuspage.io (no subscriber management or incident history UX)
- Single-region probing
- Smaller community and fewer integrations than commercial products
The verdict
Uptime Kuma is the obvious UptimeRobot replacement for endpoint monitoring: easy to stand up, unlimited monitors, sub-minute intervals, and the largest community by far. If your real need is cron-job and scheduled-task monitoring, use Healthchecks instead; if you want global probe locations, look at OpenStatus.
UptimeRobot alternatives — frequently asked questions
What is the best free self-hosted UptimeRobot alternative?
Uptime Kuma is the most popular choice (~88,000 stars, MIT licensed). It runs unlimited monitors at intervals as short as 20 seconds, with no per-monitor charges, on a single Docker container.
Which alternative has no monitor or interval limits?
All the self-hosted options remove UptimeRobot's caps because you control the resources. Uptime Kuma, Gatus, OpenStatus, and Vigil let you run as many checks as your server handles, at the intervals you choose.
Is there a self-hosted UptimeRobot alternative for monitoring cron jobs?
Healthchecks. It uses a dead-man's-switch model: your scheduled job pings a URL on success, and if the ping doesn't arrive on time you get alerted. That's a different pattern from the outbound probes that Uptime Kuma and Gatus use.
Which UptimeRobot alternative is easiest to set up?
Uptime Kuma and Gatus are both 2/5 difficulty. Uptime Kuma is point-and-click after one Docker command; Gatus is a single binary driven by YAML, which suits config-as-code teams.
Can I check my services from multiple regions like UptimeRobot?
OpenStatus is the option built around global probes, so it can monitor from several locations. Self-hosted tools like Uptime Kuma and Gatus check from wherever you run them, so you'd deploy multiple instances for multi-region coverage.
Do any of these offer managed hosting if I don't want to self-host?
Yes. Healthchecks and OpenStatus both provide official managed plans (managed:yes). Uptime Kuma, Gatus, and Vigil are self-host only.