Open Source Uptime Monitoring: 5 Tools and the Catch
Open source uptime monitoring gives you unlimited checks and full data ownership. Here are five tools worth running, and the one thing one host cannot do.
#open-source
7 posts tagged "Open Source".
Linux Monitoring Tools: The Four Tiers, and What Each Sees
Linux monitoring tools split into four tiers: terminal, agent, aggregator and external probe. Here is what each one can see, and where the blind spot is.
Grafana Uptime: Build a Panel That Tells the Truth
A Grafana uptime panel usually measures scrape success, not what users experienced. Here are the queries, and how to put an outside-in series beside them.
Zabbix Alternatives in 2026: 7 Picks by Use Case
Zabbix alternatives worth a look in 2026, from Checkmk and LibreNMS to external uptime checks, sorted by what you are actually trying to monitor.
Nagios Alternatives in 2026: Pick by Job, Not Brand
Nagios alternatives split by job: host polling inside your network, or external availability checking. Here is which tool replaces which half.
API Monitoring Tools in 2026: The Three Families
API monitoring tools come in three families: external checkers, observability platforms and self-hosted probes. Pick the family before the vendor.