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[category: uptime monitoring][verified alternatives][no votes, no pay-to-list]

Free and open source alternatives for Uptime monitoring

5 free or open source projects taken from the pages of 1 paid apps in this category. For each one: how many it replaces, how much subscription it cancels, what it costs to run.

free alternatives
5
$/month replaceable
30
already self-hosted
5
apps covered
1

5 alternatives

The value is the sum of the prices of the apps that project replaces — including outside this category, because a good alternative rarely serves only one.

99 $ /mese

OneUptime open source ★ 7,4k active [ops] web · self-hosted

Monitoring, incidents and status pages in one stack; simplicity did not survive.

the 5 apps it replaces · 99 $/month

Three ways out of the subscription: 1. you keep paying (99 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Checkly 39 $/m KIND OF Better Stack / UptimeRobot paid 30 $/m YES Datadog 15 $/m NOT REALLY Pingdom 15 $/m NOT REALLY New Relic — NOT REALLY

source code · verificata il 2026-08-06

55 $ /mese

Uptime Kuma open source ★ 87,3k active [docker] web · self-hosted

Push monitors and ordinary uptime checks under one very cheerful roof.

the 3 apps it replaces · 55 $/month

Three ways out of the subscription: 1. you keep paying (55 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Better Stack / UptimeRobot paid 30 $/m YES Pingdom 15 $/m NOT REALLY Cronitor 10 $/m YES

source code · verificata il 2026-08-06

45 $ /mese

Gatus open source ★ 11,8k active [docker] web · self-hosted

A YAML file, a status board and enough protocol checks to annoy most outages.

the 2 apps it replaces · 45 $/month

Three ways out of the subscription: 1. you keep paying (45 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Better Stack / UptimeRobot paid 30 $/m YES Pingdom 15 $/m NOT REALLY

source code · verificata il 2026-08-06

30 $ /mese

Kener open source ★ 5,1k active [docker] web · self-hosted

A handsome status page that also does the checking, not just the apologizing.

the 1 app it replaces · 30 $/month

Three ways out of the subscription: 1. you keep paying (30 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Better Stack / UptimeRobot paid 30 $/m YES

source code · verificata il 2026-08-06

30 $ /mese

OpenStatus open source ★ 8,9k active [ops] web · self-hosted · CLI

Uptime checks and a status page, with YAML for the suspicious.

the 1 app it replaces · 30 $/month

Three ways out of the subscription: 1. you keep paying (30 $/month) 2. you install this one, free 3. you vibecode it — the prompt is on each of the pages below

Better Stack / UptimeRobot paid 30 $/m YES

source code · verificata il 2026-08-06

Checked by hand: no votes, no buyable positions. Prices in dollars.

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