Blog

The OCaml Planet RSS

Articles and videos contributed by both experts, companies and passionate developers from the OCaml community. From in-depth technical articles, project highlights, community news, or insights into Open Source projects, the OCaml Planet RSS feed aggregator has something for everyone.

Want your Blog Posts or Videos to Show Here?

To contribute a blog post, or add your RSS feed, check out the Contributing Guide on GitHub.

Building a STAC server to avoid scanning 3.8 million tiles

The GeoTessera project produces 128-channel geospatial embeddings from Sentinel satellite imagery. The dataset is tiled at 0.1-degree resolution across the globe, covering 9 years and comprising roughly 3.8 million tiles, each containing embeddings and scale-factor files.

17 Apr 2026

Marc Elvers

Read Article
Day10: local development builds

My typical OCaml development workflow starts with git clone ..., then opam switch create . 5.4.1 --deps-only followed by dune build. This creates a local _opam directory containing the compiler and all dependencies. It works well, but the _opam directories add up, and the build takes time.

17 Apr 2026

Marc Elvers

Read Article
VSCode Walkthrough: Installing OCaml in 1 Click

We have created a VSCode walkthrough guiding users through installing OCaml with opam.

16 Apr 2026

Tarides

Read Article
Reimplementing the Space Protocol Stack from Scratch

The full stack from Space Packets to SDLS encryption, with an interactive demo and interop tests that found bugs in two reference implementations.

15 Apr 2026

Thomas Gazagnaire

Read Article
The FP Launchpad takes off at IIT Madras

A day at the launch of the FP Launchpad at IIT Madras, covering talks on hardware design, trusted execution on Shakti, verifiable Indian tax law, precise JIT analysis, AI-assisted Lean metatheory, constraint-based diagramming, and my own TESSERA talk.

13 Apr 2026

Anil Madhavapeddy's Blog

Read Article
.plan-26-15: Banyan trees, (anti)botnets and Bose-Einstein bases

Travelling from Ireland to IIT Madras for the FP Launchpad launch, mirroring half a petabyte of TESSERA embeddings to AWS Open Data, antibotty discussions, and Tangled trust boundaries for AI code review.

12 Apr 2026

Anil Madhavapeddy's Blog

Read Article
Introducing ocgtk: GTK4 bindings for OCaml

Introducing ocgtk, a new set of GTK4 bindings for OCaml generated from GObject Introspection data.

12 Apr 2026

Chris Armstrong

Read Article
OCI image export from day10

mtelvers/day10 can now export build results as multi-layer OCI images, where each opam package becomes its own layer.

09 Apr 2026

Marc Elvers

Read Article