Uptime Monitoring

Alternatives to STS

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

Why compare

Signals behind this alternatives page

  • STS currently shows at least one risk or watch signal in ToolVitals data.
  • Multiple signals suggest declining health or reduced shipping momentum.
  • Health score: 49/100.
  • Shipping score: 25/100.
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 overallCheckmate

Highest organic ToolVitals fit for this use case.

Healthier optionsCheckmate, Kuvasz, Maintenant, Uptimekit

Stronger current public-health signal than STS.

Verified open/source-visibleCheckmate, Kuvasz, Maintenant, Uptimekit

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
01

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
02

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

Yet Another Status Page

A modern, open-source status page built with Next.js and PayloadCMS, designed for flexible and reliable infrastructure monitoring.

Warning
Health74
Shipping61
Score75
Confidence92
Stars27
ModeSource-visible project
10

Healthchecks

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

Warning
Health70
Shipping47
Score70
Confidence94
Stars10.2k
ModeSource-visible project
11

Gatus

Automated developer-oriented status page with alerting and incident support

Warning
Health80
Shipping33
Score68
Confidence88
Stars11.7k
ModeSource-visible project
12

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