head to head · open source
OpenObserve vs crowdsec-web-ui
OpenObserve has 22,777 GitHub stars, 1,179 forks, 598 open issues and last shipped yesterday. crowdsec-web-ui has 907 stars, 47 forks, 12 open issues and last shipped 2 days ago. OpenObserve leads on adoption by 2,411% (22,777 vs 907 stars). OpenObserve is written in TypeScript under AGPL-3.0; crowdsec-web-ui is written in TypeScript under AGPL-3.0. OpenObserve has attracted 5% as many forks as stars, crowdsec-web-ui 5%. 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 | crowdsec-web-ui | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 907 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 1.2K | ⑂ 47 |
| 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 crowdsec-web-ui if
- You want the crowdsec-web-ui 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 crowdsec-web-ui 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 crowdsec-web-ui
CrowdSec Web UI A self hosted dashboard for CrowdSec: investigate alerts, manage decisions, monitor runtime metrics, and send notifications from one responsive UI. Features Screenshots Quick Start You need a running CrowdSec LAPI. Connect the Web UI using either watcher password authentication or agent mTLS. 1. Register the Web UI Watcher password Replace replace with generated password with the value printed by openssl . [!IMPORTANT] Keep f /dev/null . It registers the machine without overwriting the CrowdSec container's existing credentials file. Agent mTLS Configure LAPI TLS authentication and create a client…
read the full crowdsec-web-ui overview →
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Frequently asked questions
Is OpenObserve or crowdsec-web-ui more popular?
OpenObserve has 22,777 GitHub stars and crowdsec-web-ui has 907. OpenObserve has the larger community by that measure.
Are OpenObserve and crowdsec-web-ui free?
Both are open source. OpenObserve is licensed under AGPL-3.0 and crowdsec-web-ui under AGPL-3.0. Neither carries a licence fee.
What is the difference between OpenObserve and crowdsec-web-ui?
OpenObserve is written in TypeScript and crowdsec-web-ui 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 crowdsec-web-ui?
Choose OpenObserve if you want the larger community (22,777 stars) or its AGPL-3.0 licence terms. Choose crowdsec-web-ui if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.