Zabbix
100 · HealthyEnterprise monitoring for networks, servers, VMs and applications, with templates, triggers and escalations.
Enterprise monitoring for networks, servers, VMs and applications, with templates, triggers and escalations.
Metrics collection and time series database with its own query language (PromQL) and alerting rules.
Observability platform for logs, metrics, traces and real user monitoring, built for low storage costs.
OpenTelemetry-native observability with logs, metrics and traces in one app.
Alert management that pulls in alerts from your monitoring tools, deduplicates and correlates them, and runs workflows.
Observability on ClickHouse that links session replays, logs, metrics, traces and errors in one search.
Dashboards and alerting over metrics, logs and traces from Prometheus, Loki, SQL databases and many other sources.
Log aggregation that indexes labels rather than full text to keep storage cheap, queried from Grafana.
Status pages and uptime monitoring from several regions, with incident updates and alerting.
Health checks for HTTP, TCP, DNS and more, configured in YAML, with alerts and a status page.
Per-second infrastructure monitoring agent with auto-discovered metrics, dashboards and anomaly detection.
Uptime monitor for HTTP, TCP, DNS and more, with status pages and many notification channels.
Application performance monitoring with distributed tracing, service maps and metrics for microservices.
All-in-one platform for uptime checks, status pages, on-call, incidents, logs and APM.
Uptime, response time and server hardware monitoring, with incidents and status pages.
Cron job and background task monitoring that alerts you when expected pings stop arriving.
Status page with built-in monitors, incident history and a polished public page.
Log management with search, alerts and dashboards, designed to be light to run and privacy-friendly.
eBPF-based observability that collects metrics, logs, traces and profiles without code changes and suggests root causes.
OpenTelemetry APM for traces, metrics and logs, stored in ClickHouse.
The code for these is public, but the license is not an OSI open source license, or we have not verified it yet. Check the license notes on each project before relying on it.
Error tracking and performance monitoring; the same code as Sentry's hosted service.
Error tracking that accepts events from Sentry SDKs and runs on a single small server.
Status page system for publishing component status, incidents and scheduled maintenance.
Enterprise monitoring for networks, servers, VMs and applications, with templates, triggers and escalations.
Will it still be around?
Healthy
Score 100/100
Can a business use it freely?
Free, share hosted changes
AGPL-3.0 · open source (copyleft) · relicensed stricter in 2024

has,doesn't2 features1 feature
6/10 Datadog features free in Zabbix
Headline Datadog features on the Infrastructure Pro + APM plan, and whether Zabbix has each in its free, self-hosted edition.
| Feature | DatadogInfrastructure Pro + APM plan | Zabbix6 of 10 free |
|---|---|---|
| Datadog has, Zabbix doesn't2 | ||
| APM and distributed tracing | Included | No |
| Real user monitoring and session replay | Higher planPriced separately | No |
| Zabbix has, Datadog doesn't1 | ||
| Uptime and synthetic checks | Higher planPriced separately | YesWeb scenarios |
| Both have5 | ||
| Infrastructure metrics | Included | Yes |
| Dashboards | Included | Yes |
| Alerts and monitors | Included | YesTriggers and escalations |
| Prebuilt integrations | Included1,000+ integrations | YesTemplates |
| SAML single sign-on | Included | YesSAML |
| Neither has fully2 | ||
| Log management | Higher planPriced separately | PartlyLog file monitoring |
| Incident management and on-call | Higher planPriced separately | PartlyProblem management and escalations |
Sources
A 25-host team on Datadog Infrastructure Pro + APM pays about $1,150 a month. Zabbix on OpenSoft costs $99 a month, setup included, so you save $1,051 a month, about $37,836 over three years.
Monthly cost
You save each month
$1,051/mo
91% less than today
Saving from month one
You save
List price checked 7 Oct 2026 · Source · Disclaimer
Healthy · activity, bus factor and issue responsiveness, from GitHub
Score v2 · How it works
100/100
100/100
Not scored; its weight is shared by the other parts.
Free, share hosted changes
AGPL-3.0 · Open source (copyleft)Relicensed 2024
What you need to do
Free for any use, commercial included. If you change the code and people outside your company use it over the network, you must publish your changes under the same license.
GNU Affero General Public License v3.0 · Open source (copyleft). OSI-approved license that requires sharing changes under the same license when you distribute (AGPL: also when you offer it over a network).
Detected by GitHub as AGPL-3.0.
Snapshot from 2026-10-09
No pull requests merged on GitHub since 9 October 2025. Some projects, such as Odoo, merge changes outside GitHub's merge button, so their contributors don't show here yet.