Checkmate vs Blackbox Exporter
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Checkmate
Open-source uptime and infrastructure monitoring tool
VS
Blackbox Exporter
Probes endpoints over HTTP, TCP, DNS, and ICMP
| Feature | Checkmate | Blackbox Exporter |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 93 · Excellent | 84 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | AGPL-3.0 | Apache-2.0 |
| Language | TypeScript | Go |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 32 MB |
| Deployment | docker | docker, kubernetes, binary |
| GitHub stars | ★ 10,883 | ★ 5,882 |
| First released | 2024 | 2016 |
| Replaces | Pingdom, Better Uptime | Pingdom |
What are Checkmate and Blackbox Exporter?
Checkmate
Checkmate is an open-source server monitoring application that tracks uptime, response times, and infrastructure health. It offers incident notifications and a clean dashboard for homelabs and small teams.
- Uptime and response monitoring
- Infrastructure health agent
- Incident notifications
- Modern dashboard
Blackbox Exporter
The Blackbox Exporter allows Prometheus to probe endpoints over HTTP, HTTPS, DNS, TCP, ICMP, and gRPC. It is the standard way to perform black-box availability and latency monitoring with Prometheus.
- HTTP, TCP, DNS, ICMP probes
- TLS certificate checks
- Prometheus integration
- Multi-target probing
Checkmate vs Blackbox Exporter: key differences
Checkmate is written in TypeScript, while Blackbox Exporter is built with Go. Licensing differs — AGPL-3.0 for Checkmate versus Apache-2.0 for Blackbox Exporter. Blackbox Exporter is the lighter option, starting around 32 MB of RAM against 256 MB for Checkmate. Blackbox Exporter is the more established project (first released 2016), while Checkmate arrived in 2024.
Why pick each one
Choose Checkmate if…
- Clean modern interface
- Active development
Watch out for
- Newer project
- Feature set still growing
Choose Blackbox Exporter if…
- Simple uptime monitoring
- Tiny footprint
Watch out for
- Needs Prometheus to be useful
- No standalone UI
Frequently asked questions
Is Checkmate or Blackbox Exporter better?
Neither is universally better. Checkmate has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Checkmate and Blackbox Exporter free and open-source?
Yes. Checkmate is licensed under AGPL-3.0 and Blackbox Exporter under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Checkmate and Blackbox Exporter with Docker?
Checkmate: yes. Blackbox Exporter: yes.
Which is lighter on resources, Checkmate or Blackbox Exporter?
Blackbox Exporter has the smaller minimum footprint at 32 MB of RAM, compared to about 256 MB for Checkmate. Real-world usage depends on library size, user count, and enabled features.