In the FOSDEM conference talk, the speakers present their project called Haskell Catas, which is a learning environment for Haskell programming. They outline their goals to learn Haskell comprehensively and at a faster pace and explain the characteristics of their project, including exercises, solutions, and interaction with other users. They also discuss the installation steps and demonstrate how to use Haskell Catas by catafying code and experimenting with different solutions. The speakers encourage the audience to try out the environment and answer questions during the remaining time of the session.