head to head · open source
OpenObserve vs gloc
OpenObserve has 22,027 GitHub stars, 1,098 forks, 598 open issues and last shipped today. gloc has 653 stars, 46 forks, 10 open issues and last shipped 11 months ago. OpenObserve leads on adoption by 3,273% (22,027 vs 653 stars). OpenObserve is written in TypeScript under AGPL-3.0; gloc is written in TypeScript under GPL-2.0. OpenObserve has attracted 5% as many forks as stars, gloc 7%. OpenObserve was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (metrics), so they are genuine substitutes rather than adjacent tools.
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 | gloc | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 653 |
| License | AGPL-3.0 | GPL-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2025-11-02 |
| Forks | ⑂ 1.1K | ⑂ 46 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenObserve if
- You weight community size — 22K 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 gloc if
- You want the gloc feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and gloc fits your workflow better
About OpenObserve
OpenObserve is an open source observability platform for logs, metrics, traces, analytics, Real User Monitoring, session replay, pipelines, SLO, and LLM observability. It lives in the cloud native infrastructure ecosystem and is described as an alternative to Datadog, Splunk, and Elasticsearch. The project is built in Rust, ships as a single binary, and uses Parquet columnar storage with an S3 native design.
read the full OpenObserve overview →
About gloc
GLOC, short for GitHub Lines of Code Counter, is a free GPL 2.0 licensed TypeScript browser extension for Chrome, Opera, Firefox, and Edge that overlays approximate lines of code totals onto GitHub pages, aimed at developers and teams who want a quick size signal for a repository without cloning it or running a local counter.
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Frequently asked questions
Is OpenObserve or gloc more popular?
OpenObserve has 22,027 GitHub stars and gloc has 653. OpenObserve has the larger community by that measure.
Are OpenObserve and gloc free?
Both are open source. OpenObserve is licensed under AGPL-3.0 and gloc under GPL-2.0. Neither carries a licence fee.
What is the difference between OpenObserve and gloc?
OpenObserve is written in TypeScript and gloc 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 gloc?
Choose OpenObserve if you want the larger community (22,027 stars) or its AGPL-3.0 licence terms. Choose gloc if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.