Projects known to use wlroots:

• awc
• Cage
• Cagebreak
• ChameleonWM
• comfc
• dwl
• feathers
• fenestra
• gamescope
• Glass
• hikari
• hopalong
• inaban
• japokwm
• kiwmi
• KWinFT
• labwc
• Mahogany
• Marina
• Nucleus
• phoc
• pywm
• river
• SimulaVR
• Skylight
• Sway
• Tabby
• tinybox
• Trinkster
• Way Cooler
• Waybox
• Wayfire
• Waymonad
• wio
• wio+
• wxrc
• vimway
• vivarium
• xuake

Known bindings to other programming languages:

• Chicken Scheme
• Common Lisp
• Go
• Godot
• Haskell
• OCaml
• Python
• Rust
• Swift
• Zig

Interesting related projects:

• oculi

List of projects using wlr-protocols: https://github.com/swaywm/wlr-protocols/wiki