A list of official package index/search pages for various linux distributions and embedded devices.

Desktop / Server Environments

Arch Linux (pacman)

CentOS (yum)

Cygwin (apt-cyg)

Debian (apt)

EPEL (dnf, yum)

Fedora (dnf, yum)

Linux Mint (apt)

Red Hat (yum)

Ubuntu (apt)

Embedded Systems

Entware-ng (opkg)

Entware (opkg)

Optware-ng (ipkg)

Optware (ipkg)