Apps similar to OMG include Paru, which is free and open source. Other options are Yay and Aura Package Manager. In total there are three Package Managers like OMG for Linux.
Paru is 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.
Aura is a package manager for Arch Linux. Its original purpose is as an AUR helper, in that it automates the process of installing packages from the Arch User Repositories. It is, however, capable of much more.
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