About

Expert is the official language server implementation for the Elixir programming language.

Expert is the amalgamation of the three community LSP projects: ElixirLS, Lexical, and Next LS. It's currently in pre-1.0 stage, with 0.1.0 version released in March 2026. We are currently working towards 0.2 release.

Read more about the history of Expert here.

Sponsors

A huge thanks to our current sponsors! You can read more about sponsorship on the Sponsors page.