Hello, I am pleased to announce the launch of https://caml-list.robur.coop/, a unikernel that provides a search engine for the caml-list. We now have public access to this archive 
!
Our cooperative is currently working on several fronts, including email, by offering an archiving system. For more details, please see this article. Another article describes the search engine we use, and a third explains how we developed this unikernel (although the latter has evolved considerably since then, the core remains the same).
We are therefore delighted to make this service available to the community, and if you would like to help us improve it, the project is currently available here. We would like to thank NLnet for funding this unikernel, and if you appreciate our work, please do not hesitate to make a donation to our cooperative (via GitHub or directly to our cooperative)
Finally, this example also showcases all our work on unikernels: from what an Ethernet frame is, through the archive system and the extraction of emails from a virtualised hard drive, right up to the HTTP request - everything is done in OCaml (and we would once again recommend reading our tutorial on mnet if you would like to build up unikernels).
So have fun hunting for relics from the history of OCaml!