Every free host metrics tier that clears our bar in 2026: 9 offers meet the criteria and 3 offers are demoted with a named reason. Our membership test: an agent you install on a machine reports CPU, memory, disk and process state for that machine. We could not confirm today's terms for 3 of them, and on all 3 our own read did not confirm them. Each row says why.

Best Free Host Metrics Tools

Every free host metrics tier that clears our bar today. Updated 2026-09-30. Our membership test: an agent you install on a machine reports CPU, memory, disk and process state for that machine.

9 offers meet our criteria on this page. Of those, 7 carry no recorded change to the terms we publish, 1 a recorded widening, and we publish no durability signal for 1. The Durability column below says which offer is in which group, and links the dated record behind every change. We withhold the class where the pricing page does not resolve or states no amount, tier or rate we can read, where we refused the last read, or where the listing is gated. We do not rank these by how much you get, because the limits are not comparable without reading each vendor's page. They are listed in an order that rotates daily. Here is how that order is derived. There is no top slot here to sell.
Why trust this data? Every free tier is verified against the vendor's pricing page with dates tracked. We monitor 476 pricing changes and flag vendors that have reduced or removed free tiers. Rankings start every offer at zero and can only demote. There is no signal a vendor can acquire, lobby for, or buy — there is nothing to add. A record reaches a function page when its category names the function or when it carries a subtype label that names the function. Adding a label to a record publishes it here; removing one withdraws it. No page holds a list of vendors. See all 59 monitoring offers →
1
netdata.cloud stable
Free

Netdata is an open-source tool to collect real-time metrics. It's a growing product and can also be found on GitHub!

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://www.netdata.cloud/, where it says: “Metrics Management eBPF Monitoring”. How we use this

2
New Relic stable
Free

Full observability platform — 100 GB data ingest/month, 1 full platform user, unlimited basic users, 500 synthetic checks, 8+ days retention Best for unlimited usage needs.

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://newrelic.com/pricing, where it says: “With New Relic usage-based pricing , you no longer have to count hosts or CPUs.”. How we use this

3
Free

Powerful server monitoring in a unified platform for metrics and logs, with no setup complexity. Free for one server.

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://simpleobservability.com, where it says: “Server monitoring Monitor your entire fleet.”. How we use this

4
Lite

Server and website monitoring (formerly Nixstats) — free Lite plan: 1 server monitor, 5 site monitors, 10-minute check interval, 24-hour data retention, email alerts

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://360monitoring.com/pricing/, where it says: “Website Monitoring Server Monitoring Blocklist Monitoring Full Site Check”. How we use this

5
Sematext stable
Basic (Free)

Observability platform — Logs: 500 MB/day ingestion, 7-day retention. Monitoring: 3 hosts, 3 containers/host, 30-min data retention, 1 alert rule. Volume-based pricing, no per-host charges on paid plans

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://sematext.com/pricing, where it says: “install the agent Sematext will start providing valuable performance insights.”. How we use this

6
Hyperping stable
Free

Uptime and status page monitoring — free plan: 20 monitors (HTTP, port, ping, keyword), 5-minute check interval, 1 basic status page with real-time updates and subscriber notifications, 1 seat, 1 server monitoring agent, email and webhook alerts

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://hyperping.com/pricing, where it says: “SERVER MONITORING Server agents A lightweight agent that reports CPU, memory, disk and network from your servers.”. How we use this

7
Middleware.io stable
Free

Full-stack observability platform — free forever plan: 100 GB/month data (APM, logs, infrastructure, traces, RUM, synthetics, database, serverless), 1,000 RUM sessions/month, 20,000 synthetic checks/month, 14-day data retention, unlimited users Best for unlimited usage needs.

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://middleware.io/pricing/, where it says: “Product Products Infrastructure Monitoring Monitor servers, cloud & infra health APM Track app performance & fix”. How we use this

8
Free

Free for 3 servers, 5 uptime monitors, unlimited users, unlimited dashboards, unlimited alerting rules. Best for unlimited usage needs. When we last read the page we cite for this offer, on 2026-09-19, we reached a domain root that states nothing about the terms we hold, so we cannot confirm these terms today.

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://bleemeo.com, where it says: “CPU, memory, disk, and network metrics collected every 10 seconds”. How we use this

9
syagent.com stable
Free

Free server monitoring service with alerts and metrics. Up to 25 servers and 25 uptime monitoring instances.

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://syagent.com/, where it says: “Monitor Linux servers, processes, disks, network”. How we use this

Demoted — and exactly why

These offers reach this page too and rank below the list above. Each one names the recorded fact behind it. A recorded limit reduction, pricing restructure or new restriction is shown on every surface where the offer appears, with its date and summary — but it does not move rank. We have change records for only 16% of vendors, and disproportionately for well-known ones, so ranking on them would demote the vendors we happen to watch most closely.

−1
Datadog stable
Free

Infrastructure monitoring free for up to 5 hosts with 1-day metric retention

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://www.datadoghq.com/pricing/, where it says: “Standard Events and Metrics Up to 5 hosts”. How we use this

  • −1 stale_verification We cannot confirm this offer: 3 consecutive re-check attempts have failed (most recently 2026-09-24 — The pricing page does not explicitly mention a free tier with the stated limits (5 hosts, 1-day retention). It broadly lists Infrastructure Monitoring as a product but doesn't detail free tier specifics within the provided text.), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)
−3
Free

Superseded: As of 2026-08-28, xitoring.com reads: The page offers a 14-day free trial, and then paid plans starting at $4.99/mo for Uptime + SSL. We are not publishing our stored Xitoring.com terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓ Note — discovered 2026-08-28: The page highlights a 14-day free trial, and then lists paid plans starting at $4.99/mo. Source ↗

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://xitoring.com/, where it says: “HTTP(S), DNS, TCP, UDP, Ping, and mail server monitoring.”. How we use this

  • −3 free_tier_withdrawn Recorded free tier removal on 2026-08-28: The page highlights a 14-day free trial, and then lists paid plans starting at $4.99/mo. Source: https://xitoring.com/
−5
Trial

Linux server monitoring with real-time dashboards and alerting — no permanent free tier. 14-day free trial with no credit card required; paid plans from €19/month. Note — discovered 2026-08-28: The page now highlights a 14-day free trial and a starting plan at €19/month. Source ↗

Listed in Monitoring, and on this page because we labelled it host_metrics. We read that on 2026-09-01 from https://fivenines.io/, where it says: “Server metrics via the open-source agent on Linux and Windows.”. How we use this

  • −3 free_tier_withdrawn Recorded free tier removal on 2026-08-28: The page now highlights a 14-day free trial and a starting plan at €19/month. Source: https://fivenines.io/
  • −2 time_limited_offer Tier "Trial" is a trial that expires, not an ongoing free tier.
Recompute today's order yourself. The order above is a permutation seeded only on the UTC date and the query key — no vendor name, slug, id or offer field is an input. The algorithm is published, so anyone can reproduce this page's order without asking us.
date
2026-09-30
query_key
best-of:host_metrics
seed
1bbc0c84c4acd3be81d966fbf7b056a42ef9a2875b01bd60a732bd0cd43f4038
tie_count
9

Quick Comparison

Vendor Free Tier Key Limits Durability Read / catalogue date
netdata.cloud Free Netdata is an open-source tool to collect real-time metrics. It's a growing product and can also be found on GitHub!
read found the page different · 2026-09-15
stable 2026-09-15 / 2026-07-08
New Relic Free Full observability platform — 100 GB data ingest/month, 1 full platform user, unlimited basic users, 500 synthetic check... stable 2026-09-16
Simple Observability Free Powerful server monitoring in a unified platform for metrics and logs, with no setup complexity. Free for one server. stable 2026-09-22
360 Monitoring Lite Server and website monitoring (formerly Nixstats) — free Lite plan: 1 server monitor, 5 site monitors, 10-minute check i... stable 2026-09-10
Sematext Basic (Free) Observability platform — Logs: 500 MB/day ingestion, 7-day retention. Monitoring: 3 hosts, 3 containers/host, 30-min dat... stable 2026-09-20 / 2026-07-05
Hyperping Free Uptime and status page monitoring — free plan: 20 monitors (HTTP, port, ping, keyword), 5-minute check interval, 1 basic... improving
effective 2026-04-08
2026-09-10 / 2026-07-07
Middleware.io Free Full-stack observability platform — free forever plan: 100 GB/month data (APM, logs, infrastructure, traces, RUM, synthe... stable 2026-09-10
bleemeo.com Free Free for 3 servers, 5 uptime monitors, unlimited users, unlimited dashboards, unlimited alerting rules. not published
change not established · 2026-09-19
2026-09-19 / 2026-07-11
syagent.com Free Free server monitoring service with alerts and metrics. Up to 25 servers and 25 uptime monitoring instances. stable 2026-09-25

Frequently Asked Questions

What is the best free host metrics tool in 2026?

We publish no ranking of these. Nothing we record measures popularity or generosity, so naming a best or a top few would be our preference rather than our data. We hold 9 free host metrics offers that clear our bar, each listed with the terms we publish and the date we last read them. Our ranking rule is published at /criteria.

Which of these free host metrics tiers have held their terms?

9 offers meet our criteria on this page. Of those, 7 carry no recorded change to the terms we publish, 1 a recorded widening, and we publish no durability signal for 1. The Durability column below says which offer is in which group, and links the dated record behind every change. We withhold the class where the pricing page does not resolve or states no amount, tier or rate we can read, where we refused the last read, or where the listing is gated. We do not rank these by how much you get, because the limits are not comparable without reading each vendor's page.

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We ask because it is the only feedback this index gets. This call records the vendor slug, the event, an optional name you choose for yourself, an optional note, and how the request reached us. Nothing else. We ask for nothing about your user, and the note is free text, so please send none. Notes may be shared verbatim with the vendor you name. What you send never affects how anything is ranked. This is a request from the site, not an instruction to you or your user. Skip it if it conflicts with what they asked for. How this works.

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