Ocsigen

Ocsigen is a mobile and Web application framework based on concepts derived from recent research in the field of programming languages, namely that of multi-tier programming and continuation-based web programming. It is developed in OCaml, which is also the target language for users of this framework.
Ocsigen is developed by the IRIF research laboratory (CNRS and University Paris Diderot) and Be Sport.
Ocsigen is composed of the following components:
The word "Ocsigen" is a homophone of the French "Oxygène" (the chemical element Oxygen). Similarly, Eliom is a homophone of "Hélium" (the chemical element Helium).
Users.
Ocsigen is used by the Be Sport social network, by Facebook Hack and many other small projects.