Packages with the archive use flag

dev-lang / swi-prolog : free, small, and standard compliant Prolog compiler

  • Use libarchive for extension packs

dev-libs / totem-pl-parser : Playlist parsing library

  • Enables support for accessing media files in archives transparently via app-arch/libarchive

gnome-base / gvfs : Virtual filesystem implementation for gio

  • Enables support for accessing files in archives transparently via app-arch/libarchive

mail-client / claws-mail : An email client (and news reader) based on GTK+

  • Enable archiving plugin

mail-client / evolution : Integrated mail, addressbook and calendaring functionality

  • Enable archives support in attachments via app-arch/gnome-autoar

media-gfx / pqiv : powerful GTK 3 based command-line image viewer with a minimal UI

  • Enable support for images in archives and cbX comic book files

media-libs / libextractor : Library to extract metadata from files of arbitrary type

  • Enable archive support using app-arch/libarchive

media-sound / hydrogen : Advanced drum machine

  • Use libarchive instead of libtar

media-sound / qmmp : Qt5-based audio player with winamp/xmms skins support

  • Enable archiving plugin via app-arch/libarchive.

media-video / mpv : Media player based on MPlayer and mplayer2

  • Enable support for various archive formats via app-arch/libarchive

media-video / vlc : Media player and framework with support for most multimedia files and streaming

  • Enable support for libarchive stream extractor

net-irc / epic5 : Epic5 IRC Client

  • Use app-arch/libarchive to use zip and tar archives from scripts.

sci-libs / avogadrolibs : Advanced molecule editor and visualizer 2 - libraries

www-apache / mod_musicindex : mod_musicindex allows nice displaying of directories containing music files