Environments
Language Servers
Editor-agnostic tools for syntax highlighting, autocompletion, etc. Consider using a Language Server over a syntax-highlighting extension for a richer development experience.
Raku Navigator Raku language support for VS Code, Emacs, neovim and others.
Editor Plugins
Editor-specific tools, mostly syntax highlighters.
JetBrains IntelliJ
Raku IntelliJ Plugin for use with IntelliJ IDEs.
Visual Studio Code
Raku Navigator LSP language server.
Vim
Emacs
raku-mode, an Emacs major mode for Raku which provides syntax highlighting (and more)
Spacemacs, an Emacs wrapper with vim key-bindings and extra stuff
Nano
Geany
Geany is a popular flyweight Open Source IDE - now supports Raku.