Fathom Lite vs OpenReplay
A side-by-side comparison of two self-hosted web analytics options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Fathom Lite
Simple, open-source website analytics
VS
OpenReplay
Self-hosted session replay and product analytics
| Feature | Fathom Lite | OpenReplay |
|---|---|---|
| Category | Web Analytics | Web Analytics |
| License | MIT | Apache-2.0 |
| Language | Go | TypeScript |
| Setup difficulty | Easy | Hard |
| Min. RAM | 128 MB | 4,096 MB |
| Deployment | binary, docker | docker, kubernetes |
| GitHub stars | ★ 8,013 | ★ 12,458 |
| First released | 2018 | 2021 |
| Replaces | Google Analytics | FullStory, LogRocket |
Why pick each one
Frequently asked questions
Is Fathom Lite or OpenReplay better?
Neither is universally better. OpenReplay has the larger community, while Fathom Lite is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Fathom Lite and OpenReplay free and open-source?
Yes. Fathom Lite is licensed under MIT and OpenReplay under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Fathom Lite and OpenReplay with Docker?
Fathom Lite: yes. OpenReplay: yes.