XD's Code

High-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Terminal text editor that edits in your scrollback like a REPL

rust-analyzer is a language server that provides IDE functionality for writing Rust programs. You can use it with any editor that supports the Language Server Protocol (VS Code, Vim, Emacs, Zed, etc).

Mago is a toolchain for PHP that aims to provide a set of tools to help developers write better code.