mardiyah, please stop spamming the forums with questions which are easily answered by web search.
Octopi and Pamac moved to [universe]
https://wiki.artixlinux.org/Main/Repositories#Universe
$ pikaur -Ss pamac
Searching... [###]
universe/libpamac 11.1.3-1
Library for Pamac package manager based on libalpm
universe/pamac-cli 10.2.2-1
A Package Manager based on libalpm with AUR and Appstream support
universe/pamac-gnome-integration 10.2.2-1
Pamac gnome integration
universe/pamac-gtk 10.2.2-1
A Package Manager based on libalpm with AUR and Appstream support
aur/pamac-aur 10.2.2-2 (350, 5.93)
A Gtk3 frontend, Package Manager based on libalpm with AUR and Appstream support
aur/pamac-all 10.2.2-2 (22, 2.24)
A Gtk3 frontend for libalpm (everything in one package - snap, flatpak, appindicator)
aur/libpamac-aur 11.1.3-1 (14, 2.77)
Pamac package manager library based on libalpm
aur/pamac-aur-git 10.2.2.r2.gfc4898b-1 (24, 0.72)
A Gtk3 frontend for libalpm - git version
aur/pamac-tray-icon-plasma 0.1.3-1 (14, 0.50)
Pamac tray icon for plasma users
aur/archlinux-appstream-data-pamac 20211018-1 (8, 1.48)
Arch Linux application database for AppStream-based software centers (Fixed for pamac-aur and pamac-all packages)
aur/pamac-classic 7.3.0-2 (17, 0.08)
A Gtk3 frontend for libalpm - classic version
aur/pamac-cli 10.1.2-1 [outofdate: 2021/08/07] (9, 0.19)
Pamac cli frontend for libalpm
aur/pamac-all-git 1:10.2.2.r1.g125033f-1 (5, 0.42)
A Gtk3 frontend for libalpm (everything in one package - snap, flatpak, appindicator)
aur/libpamac 11.1.3-1 (4, 0.56)
Library for Pamac package manager based on libalpm
aur/libpamac-full 1:11.1.0-1 (3, 0.55)
Library for Pamac package manager based on libalpm - flatpak and snap support enabled
aur/pamac-zsh-completions 0.7-1 (4, 0.00)
ZSH completions for pamac
aur/pamac-flatpak 10.2.0-1 [outofdate: 2021/10/03] (1, 0.28)
A Gtk3 frontend for libalpm (with AUR, Flatpak and AppIndicator support)
aur/libpamac-flatpak 11.1.0-1 (0, 0.00)
Library for Pamac package manager based on libalpm - flatpak support enabled
aur/libpamac-full-dev 11.1.0beta2-1 (0, 0.00)
Library for Pamac package manager based on libalpm - flatpak and snap support enabled - development version
aur/pamac-flatpak-gnome 10.2.0-1 [outofdate: 2021/10/03] (0, 0.00)
A Gtk3 frontend for libalpm (with AUR, Flatpak, AppIndicator support, and GNOME integration)
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