Yay - Yay is an AUR helper written in go, based on the design of yaourt, apacman and pacaur.
Conda - Binary package manager with support for environments.
paru - An AUR helper written in Rust and based on the design of yay. It aims to be your standard pacman wrapping AUR helper with minimal interaction.
pkgsrc - pkgsrc is a framework for building over 17,000 open source software packages.
Octopi - Powerful Pacman (GUI | frontend) written in Qt
Pacman - Pacman was developed to be the package manager for Arch Linux, and is also used by KDE-focused Chakra Linux.