Ocsigen Server
Ocsigen Server: A focused Linux web server for OCaml teams building with Eliom. Ranked #34 of 36 in Web Server Software by our editors (5.6/10); pricing: Free plan; best for OCaml teams using the Eliom framework.
At a glance
- Editor score5.6 / 10
- PricingFree plan
- Best forOCaml teams using the Eliom framework
- Free planYes
- Paid fromFree
- Facts checked24 Sep 2026
Where it wins
- Open-source software with a free plan
- Implemented in OCaml for OCaml-focused teams
- Designed to work with the Eliom web application framework
Where it doesn't
- Supports Linux as its listed platform
- Requires self-hosted deployment and administration
- Focused on OCaml and Eliom rather than broad language stacks
Our verdict on Ocsigen Server
Ocsigen Server is an open-source web server implemented in OCaml. It is intended to serve web applications and content, with a clear fit for teams building applications in the OCaml ecosystem. Its positioning is especially relevant to developers using Eliom, the Ocsigen web application framework, because the server is designed to work alongside it. The product is distributed as software for self-hosted use rather than as a hosted subscription service.
The pricing model is straightforward: Ocsigen Server is open source and has a free plan, with no paid tiers described. That makes it suitable for small and mid-market teams that want to run the server themselves without a recurring software subscription. Its strongest ecosystem connection is Eliom, so teams already adopting that framework have a direct reason to consider Ocsigen Server. The combination of OCaml implementation and Eliom compatibility gives it a specific role rather than a general-purpose, multi-language positioning.
Deployment is Linux-based and self-hosted, which puts installation, configuration, and ongoing administration with the adopting team. This model can suit organizations that want control over their server environment, but it is less appropriate for buyers seeking a managed web-serving service. Ocsigen Server is best suited to OCaml teams using Eliom who are comfortable operating Linux software directly. Teams looking for broad language coverage, a hosted offering, or a wider platform ecosystem should consider a different web server product.
Your product? Our editors can test Ocsigen Server in depth and publish a review, labelled as paid · from $149/mo →
Ocsigen Server pricing
Ocsigen Server fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| HTTP/2 support | Not verified |
| HTTP/3 support | Not verified |
| WebSocket support | Not verified |
| Supported platforms | Linux |
| Plugin or module system | Not verified |
| Windows support | Not verified |
| Commercial support | Not verified |
| Deployment | Self-hosted |
| Platforms | Linux |
| Built for | Small business, Mid-market (editorial estimate) |
| Pricing | Free plan |
| Website | ocsigen.org |
| Facts checked | 24 Sep 2026 |
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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