# Checkmate: Free Open Source Alternative to Checkly, OhDear!, Pulsetic

Canonical: https://caniforkit.com/fork/checkmate
Last updated: 2026-11-07

Checkmate (Open Source, Open Source) replaces Checkly, OhDear!, Pulsetic, Site24x7. Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

## Tool Specifications
- **Tool Name**: Checkmate
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://checkmate.so
- **GitHub Repository**: https://github.com/bluewave-labs/checkmate
- **GitHub Stars**: ★ 11k
- **Runs On**: Self-host
- **Maintenance Status**: nov 2026
- **Platforms**: web, self-hosted, docker to self-host
- **Data Storage**: All application data and configuration live on your own server or local database.
- **Installation**: Clone https://github.com/bluewave-labs/checkmate or deploy with Docker Compose
- **Setup Requirements**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **The Catch / Limitation**: Requires self-hosting setup, updates, and server maintenance compared to managed Checkly.

## Paid SaaS Applications Replaced (6)
Replacing these paid tools with Checkmate saves up to $210/mo ($2,520/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Checkly](https://caniforkit.com/checkly) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare Checkly vs Checkmate](https://caniforkit.com/vs/checkly-vs-checkmate) |
| [OhDear!](https://caniforkit.com/ohdear) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare OhDear! vs Checkmate](https://caniforkit.com/vs/ohdear-vs-checkmate) |
| [Pulsetic](https://caniforkit.com/pulsetic) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare Pulsetic vs Checkmate](https://caniforkit.com/vs/pulsetic-vs-checkmate) |
| [Site24x7](https://caniforkit.com/site24x7) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare Site24x7 vs Checkmate](https://caniforkit.com/vs/site24x7-vs-checkmate) |
| [UptimeRobot](https://caniforkit.com/uptimerobot) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare UptimeRobot vs Checkmate](https://caniforkit.com/vs/uptimerobot-vs-checkmate) |
| [Zabbix](https://caniforkit.com/zabbix) | [monitoring](https://caniforkit.com/category/monitoring) | $35/mo | [Compare Zabbix vs Checkmate](https://caniforkit.com/vs/zabbix-vs-checkmate) |

## Frequently Asked Questions

### Is Checkmate free and open source?
Checkmate is an open source tool licensed under Open Source that runs on self-host. Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

### What is the trade-off or limitation of using Checkmate?
Requires self-hosting setup, updates, and server maintenance compared to managed Checkly.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)