F#

Functional programming pipelines and compiler service modules on a circuit board

Why F# Is First-Class in SharpLsp

F# is not a C# side quest. The language, its community, and its production track record deserve editor tooling that is built around F# semantics from the start.

SharpLsp Team April 26, 2026

8 min read

Rust host engine connected to C# and F# sidecar modules

Announcement Rust C#F#

Introducing SharpLsp: The .NET LSP Built in Rust

We are done waiting for Microsoft to fix .NET tooling. SharpLsp is our answer: a Rust-hosted LSP server that delivers first-class C# and F# support in every editor, with zero proprietary dependencies.

Christian Findlay March 20, 2026