head to head · open source
OpenObserve vs opensre
OpenObserve has 22,699 GitHub stars, 1,174 forks, 598 open issues and last shipped yesterday. opensre has 12,665 stars, 1,857 forks, 67 open issues and last shipped yesterday. OpenObserve leads on adoption by 79% (22,699 vs 12,665 stars). OpenObserve is written in TypeScript under AGPL-3.0; opensre is written in Python under Apache-2.0. OpenObserve has attracted 5% as many forks as stars, opensre 15%. opensre was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (datadog, grafana), 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 | opensre | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 13K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.2K | ⑂ 1.9K |
| 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 opensre if
- You want the opensre feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and opensre 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 opensre
OpenSRE v0.1: Build Your Own AI SRE Agents The open source framework for AI SRE agents, and the training and evaluation environment they need to improve. Connect the 60+ tools you already run, define your own workflows, and answer production questions on your own infrastructure. Quickstart · Docs · FAQ · Security 🚧 Public Alpha: Core workflows are usable for early exploration, though not yet fully stable. The project is in active development, and APIs and integrations may evolve Table of Contents Why OpenSRE? Install Quick Start Deployment How OpenSRE Works Capabilities & integrations Contributing & development…
read the full opensre overview →
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Frequently asked questions
Is OpenObserve or opensre more popular?
OpenObserve has 22,699 GitHub stars and opensre has 12,665. OpenObserve has the larger community by that measure.
Are OpenObserve and opensre free?
Both are open source. OpenObserve is licensed under AGPL-3.0 and opensre under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenObserve and opensre?
OpenObserve is written in TypeScript and opensre in Python. 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 opensre?
Choose OpenObserve if you want the larger community (22,699 stars) or its AGPL-3.0 licence terms. Choose opensre if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.