Are they up, an open-source alternative to Downdetector

Name: Are they up, an open-source alternative to Downdetector
Availability: InStock
Author: kdickey

by kdickey·Feb 26, 2026·1 point·0 comments

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AI Analysis

●●SolidDark HorseSolve My Problem

Downdetector alternative with 113 services, but lacks real-time incident confidence.

Strengths

•Go + HTMX stack is genuinely fast with minimal JavaScript footprint.
•Crowdsourced user reports provide real-time signal that uptime monitoring APIs miss.
•Open-source makes it forkable for private service monitoring.

Weaknesses

•No clear differentiation from Downdetector beyond being free and open—trust/accuracy unproven.
•Relies on user reports (noisy signal) versus synthetic monitoring that confirms actual outages.

Post Description

Are they up is a free and open-source service disruption monitoring tool, built with Go and HTMX. I built this to play with HTMX and Go and found that I really enjoy this stack. The website is fast and ships almost no JS.

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