Self-hosted alternatives to Freshping

Serverless uptime monitor and status page with HTTP, TCP and keyword checks, deployed through GitHub Actions

What a Freshping user would miss

It has no ICMP ping and DNS checks, and covers UDP checks, rechecks from another location, an Apdex score and SMS/Zapier alerts only in part.

What it adds

It also has a password protected status page, a monitor status that can be embedded in another page and data that stays in your Cloudflare account.

• Yes HTTP and HTTPS uptime checks with a polling interval and timeout. HTTP(S) checks with custom method, headers, body and expected status codes.
• No Ping (ICMP) checks. No ICMP ping.
• Partly TCP and UDP port checks. TCP port checks; no UDP or WebSocket.
• No DNS checks. No DNS checks.
• Partly Recheck from another location before reporting a check down. A grace period of failed checks before notifying; not rechecked from another location.
• Partly Response time tracking with an Apdex threshold. Response time charts for every monitor; no Apdex score.
• Yes Public status pages with logo and custom domain. Own domain through a CNAME, plus configurable title, links, logo and footer.
• Partly Alerts through Slack, Twilio, Zapier and webhooks. Webhook alerts with a grace period; no built-in email or SMS.

Sources:github.com/lyc8503/uptimeflare#featuresgithub.com/lyc8503/UptimeFlare/blob/main/uptime.config.ts

Uptime Guard

Uptime monitor for websites, ports, DNS, certificates and cron jobs, with Telegram alerts and public status pages

What a Freshping user would miss

It has no ICMP ping and custom domain status pages, and covers UDP checks, rechecks from another location, an Apdex score and SMS/Zapier alerts only in part.

What it adds

It also has multi-step script checks, heartbeat monitors for cron jobs and owner login that needs a password plus an authenticator code.

• Yes HTTP and HTTPS uptime checks with a polling interval and timeout. HTTP(S) checks with a status range, optional keyword or JSON field; response time recorded.
• No Ping (ICMP) checks. No ICMP ping.
• Partly TCP and UDP port checks. TCP port checks; no UDP or WebSocket.
• Yes DNS checks. DNS record checks over DNS-over-HTTPS with an optional expected value.
• Partly Recheck from another location before reporting a check down. A failed check is retried twice, 3 seconds apart, from the same Worker.
• Partly Response time tracking with an Apdex threshold. Response time recorded and charted per monitor; no Apdex score.
• No Public status pages with logo and custom domain. No domain or branding setting; the page is served at a random address.
• Partly Alerts through Slack, Twilio, Zapier and webhooks. Telegram and Web Push only; email, Slack and Discord are on the roadmap.

Sources:github.com/calmray-solutions/uptime-guard#readmegithub.com/calmray-solutions/uptime-guard/blob/main/worker/src/checks.ts

Uptimer

Uptime monitor and status page with HTTP and TCP checks, incidents and webhook alerts, on Workers, Pages and D1

What a Freshping user would miss

It has no ICMP ping and DNS checks, and covers UDP checks, rechecks from another location, an Apdex score, custom domain status pages and SMS/Zapier alerts only in part.

What it adds

It also has incident timelines on the status page, signed, templated webhook messages and CSV export of uptime history.

• Yes HTTP and HTTPS uptime checks with a polling interval and timeout. HTTP(S) probes with headers, body and status code allow or deny lists.
• No Ping (ICMP) checks. No ICMP ping.
• Partly TCP and UDP port checks. TCP port checks; no UDP or WebSocket.
• No DNS checks. No DNS checks.
• Partly Recheck from another location before reporting a check down. Failure and success thresholds before a state change; not rechecked from another location.
• Partly Response time tracking with an Apdex threshold. Latency charts per monitor; no Apdex score.
• Partly Public status pages with logo and custom domain. Site title and description settings only; no logo, CSS or domain setup in the app.
• Partly Alerts through Slack, Twilio, Zapier and webhooks. Webhooks to Discord, Slack, ntfy or any URL, plus a Telegram preset; no email or SMS.

Sources:github.com/vriancao/uptimer#featuresgithub.com/VrianCao/Uptimer/blob/master/docs/notifications.md