Flagsmith vs RudderStack
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?
Flagsmith
Open-source feature flag and remote config service
VS
RudderStack
Open-source customer data pipeline platform
| Feature | Flagsmith | RudderStack |
|---|---|---|
| Category | Web Analytics | Web Analytics |
| License | BSD-3-Clause | AGPL-3.0 |
| Language | Python | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes |
| GitHub stars | ★ 6,505 | ★ 4,465 |
| First released | 2018 | 2019 |
| Replaces | LaunchDarkly | Segment |
Why pick each one
Choose Flagsmith if…
- Released under the BSD-3-Clause license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 6.5k GitHub stars
Frequently asked questions
Is Flagsmith or RudderStack better?
Flagsmith is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider RudderStack if its specific feature set fits your needs better.
Are Flagsmith and RudderStack free and open-source?
Yes. Flagsmith is licensed under BSD-3-Clause and RudderStack under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Flagsmith and RudderStack with Docker?
Flagsmith: yes. RudderStack: yes.