head to head · open source
OpenObserve vs Checkmate
OpenObserve has 22,699 GitHub stars, 1,174 forks, 598 open issues and last shipped yesterday. Checkmate has 11,020 stars, 1,234 forks, 114 open issues and last shipped 3 days ago. OpenObserve leads on adoption by 106% (22,699 vs 11,020 stars). OpenObserve is written in TypeScript under AGPL-3.0; Checkmate is written in TypeScript under AGPL-3.0. OpenObserve has attracted 5% as many forks as stars, Checkmate 11%. OpenObserve was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenObserve | Checkmate | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 11K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 1.2K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenObserve if
- You weight community size — 23K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Checkmate if
- You want the Checkmate feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Checkmate fits your workflow better
About OpenObserve
Open source Datadog alternative for logs, metrics, traces, and frontend monitoring. Modern observability platform: 10x easier, 140x lower storage cost, high performance, petabyte scale. Cloud · Documentation · Slack · Quickstart OpenObserve (O2) is a cloud native observability platform for logs, metrics, traces, analytics, Real User Monitoring (RUM), and AI/LLM observability. It's a cost effective alternative to Datadog, Splunk, and Elasticsearch for teams that need full observability without the complexity or cost — with Parquet columnar storage and an S3 native design that cuts storage costs by up to 140x…
read the full OpenObserve overview →
About Checkmate
🇺🇸 English 🇸🇦 العربية 🇪🇸 Català 🇨🇿 Čeština 🇩🇪 Deutsch 🇪🇸 Español 🇫🇮 Suomi 🇫🇷 Français 🇮🇹 Italiano 🇯🇵 日本語 🇧🇷 Português (Brasil) 🇷🇺 Русский 🇹🇭 ไทย 🇹🇷 Türkçe 🇺🇦 Українська 🇻🇳 Tiếng Việt 🇨🇳 简体中文 🇹🇼 繁體中文 Checkmate An open source uptime and infrastructure monitoring application This repository contains both the frontend and the backend of Checkmate, an open source, self hosted monitoring tool for tracking server hardware, uptime, response times, and incidents in real time with beautiful visualizations. Checkmate regularly checks whether a server/website is accessible and performs…
read the full Checkmate overview →
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Frequently asked questions
Is OpenObserve or Checkmate more popular?
OpenObserve has 22,699 GitHub stars and Checkmate has 11,020. OpenObserve has the larger community by that measure.
Are OpenObserve and Checkmate free?
Both are open source. OpenObserve is licensed under AGPL-3.0 and Checkmate under AGPL-3.0. Neither carries a licence fee.
What is the difference between OpenObserve and Checkmate?
OpenObserve is written in TypeScript and Checkmate in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenObserve or Checkmate?
Choose OpenObserve if you want the larger community (22,699 stars) or its AGPL-3.0 licence terms. Choose Checkmate if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.