Uptime Monitoring

Alternatives to Fettle

Compare healthier or more active tools in the same use case using ToolVitals public evidence.

Why compare

Signals behind this alternatives page

  • Fettle currently shows at least one risk or watch signal in ToolVitals data.
  • The tool is still alive, but signs of slower momentum are visible.
  • Health score: 59/100.
  • Shipping score: 63/100.
Confidence caveat: Moderate-confidence page: useful public signals are present, but some evidence sources may be missing or stale.

Switching guide

Best alternatives by need

Best overallUptime Kuma

Highest organic ToolVitals fit for this use case.

Healthier optionsUptime Kuma, Checkmate, Kuvasz, Maintenant

Stronger current public-health signal than Fettle.

Verified open/source-visibleUptime Kuma, Checkmate, Kuvasz, Maintenant

Useful when portability and inspectability matter.

License unknown, source-visible signalsglobalping

Public source signals exist, but ToolVitals has not verified the license class.

Trust note: Sponsors and affiliate links are separate from rankings. ToolVitals does not let monetization change scores, risk labels, organic ordering, or evidence display.

Ranked alternatives

Best-fit uptime monitoring options

12 tools
02

Checkmate

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)

Active
Health87
Shipping87
Score89
Confidence89
Stars10.4k
ModeSource-visible project
03

Kuvasz

Kuvasz (pronounce as [ˈkuvɒs]) is an open-source uptime and SSL monitoring service, with multiple notification channels, status pages, IAC support via YAML, Prometheus integration, a complete REST API and many more!

Active
Health87
Shipping80
Score87
Confidence94
Stars571
ModeSource-visible project
08

Upptime

⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary

Warning
Health73
Shipping63
Score75
Confidence85
Stars17.1k
ModeSource-visible project
09

Healthchecks

Open-source cron job and background task monitoring service, written in Python & Django

Warning
Health70
Shipping47
Score70
Confidence94
Stars10.2k
ModeSource-visible project
10

Gatus

Automated developer-oriented status page with alerting and incident support

Warning
Health80
Shipping33
Score68
Confidence88
Stars11.6k
ModeSource-visible project
11

globalping

A global network of probes to run network tests like ping, traceroute and DNS resolve

Warning
Health64
Shipping41
Score65
Confidence91
Stars574
ModeSource-visible project
12

Uptimer

Serverless uptime monitoring and status page on Cloudflare edge.

Warning
Health68
Shipping46
Score65
Confidence71
Stars484
ModeSource-visible project