Packages with the gtk3 use flag

app-editors / bluefish : A GTK HTML editor for the experienced web designer or programmer

  • Enable GTK3 interface (default)

app-editors / mousepad : GTK+-based editor for the Xfce Desktop Environment

  • Use GTK+3 instead of GTK+2

app-i18n / fcitx : Fcitx (Flexible Context-aware Input Tool with eXtension) input method framework

  • Install input method module for GTK+ 3

app-i18n / scim : Smart Common Input Method (SCIM) is an Input Method (IM) development platform

  • Enable support for x11-libs/gtk+:3

app-i18n / scim-anthy : Japanese input method Anthy IMEngine for SCIM

  • Enable support for x11-libs/gtk+:3

app-i18n / scim-sunpinyin : SunPinyin IMEngine for SCIM

  • Enable support for x11-libs/gtk+:3

app-misc / emelfm2 : A file manager that implements the popular two-pane design

  • Use x11-libs/gtk+:3 instead of x11-libs/gtk+:2

dev-games / aseprite : Animated sprite editor & pixel art tool

  • Enable support for the experimental native GTK File Dialog

dev-java / oracle-jdk-bin : Oracle's Java SE Development Kit

  • Enable GTK+ 3 support in JavaFX

dev-libs / libdbusmenu : Library to pass menu structure across DBus

  • Enable support for GTK+3

dev-python / matplotlib : Pure python plotting library with matlab like syntax

  • Enable x11-libs/gtk+:3 support

dev-util / geany : GTK+ based fast and lightweight IDE

  • Use GTK+3 instead of GTK+2

dev-util / geany-plugins : A collection of different plugins for Geany

  • Use GTK+3 instead of GTK+2

games-puzzle / sgt-puzzles : Simon Tatham's Portable Puzzle Collection

  • Use x11-libs/gtk+:3 instead of x11-libs/gtk+:2

lxde-base / lxdm : LXDE Display Manager

  • Use GTK+3 instead of 2

lxde-base / lxterminal : Lightweight vte-based tabbed terminal emulator for LXDE

  • Use GTK+3 instead of GTK+2

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

  • Build support for GTK+3

media-gfx / geeqie : A lightweight GTK image viewer forked from GQview

  • Link against x11-libs/gtk+:3 instead of x11-libs/gtk+:2

media-libs / libcanberra : Portable sound event library

  • Enables building of gtk+3 helper library, gtk+3 runtime sound effects and the canberra-gtk-play utility. To enable the gtk+3 sound effects add canberra-gtk-module to the colon separated list of modules in the GTK_MODULES environment variable.

media-sound / denemo : A music notation editor

  • Enable support for the GTK+. If enabled uses slot 3 of x11-libs/gtk+, if disabled it uses slot 2

net-analyzer / pinger : Cyclic multi ping utility for selected adresses using GTK/ncurses

  • Install the gtkpinger GUI utility based on x11-libs/gtk+:3

net-dns / avahi : System which facilitates service discovery on a local network

  • Build the avahi-ui-gtk3 library, and use gtk3 for the avahi utilities under USE=utils

net-misc / dhcpcd-ui : Desktop notification and configuration for dhcpcd

  • Add support for x11-libs/gtk+ (The GIMP Toolkit)

net-misc / spice-gtk : Set of GObject and Gtk objects for connecting to Spice servers and a client GUI

  • Build the spice client (spicy), requires x11-libs/gtk+:3

x11-drivers / nvidia-drivers : NVIDIA Accelerated Graphics Driver

  • Install nvidia-settings with support for GTK+ 3

x11-misc / gtkdialog : A small utility for fast and easy GUI building

  • Build with GTK+3 instead of GTK+2

x11-misc / light-locker : A simple locker using lightdm

  • Build with GTK+ 3 instead of GTK+ 2.

x11-misc / spacefm : A multi-panel tabbed file manager

  • Support GTK+ 3.x instead of GTK+ 2.x

x11-themes / arc-theme : A flat theme with transparent elements for GTK+3, GTK+2 and GNOME Shell

  • Install GTK+3 theme

x11-themes / light-themes : GTK2/GTK3 Ambiance and Radiance themes from Ubuntu

  • Support GTK 3.x, too