Holo Transparent
Holo Transparent is a free Cinnamon theme, a transparent version of the Holo theme which doesn't exist anymore.

Green Bubbles
Green Bubbles is a free theme for the Cinnamon desktop environment, based on the Space Odyssey GNOME-Shell/Cinnamon theme created by r v c.

Ostfriesland
Ostfriesland is an open source GNOME-Shell theme specially designed for the GNOME 3.6.x desktop environment. It is based on the Frieze theme created by Jacob van ...

Uncomplicated
Uncomplicated is an open source GTK3 theme for the GNOME 3.6.x desktop environment, powered by the Unico and Adwaita engines. It also contains a GTK2 ...

pgCal - baltasarq
pgCal is a Google Calendar events manager, that allows you to add, modify, or delete entries.

fonts-tweak-tool
fonts-tweak-tool is an open source graphical software specially designed as a user interface to the fontconfig command-line tool from Linux systems, which lets users easily ...

Wood Mint
Wood Mint is an open source GTK2 theme especially designed for the MATE desktop environment. It provides a minty wood look and feel.

OldWoodAndSteel
OldWoodAndSteel is an open source GTK2 theme especially designed for the MATE desktop environment. It provides a wood and steel look and feel and includes the ...

pcapfix - Robert Krause for linux
pcapfix is an open source command-line software, specially designed to act as a repair utility for defected pcap files.

Faenza Icons for LibreOffice 4.0.0
Faenza Icons for LibreOffice 4.0.0 is an open source icon pack based on the Faenza, elementary, and Mint icons, specially designed for the LibreOffice office ...

Ambiance Crunchy for GTK2
Ambiance Crunchy is an Ambiance-like theme for Openbox, Xfce, GNOME 2/3 and tested under Unity/Gnome-Shell.

calibre-humanity
As its name suggests, calibre-humanity is an open source icon theme for the Calibre e-book organizer software, based on the amazing Human style.

CheckList - Pedro L. Lucas
CheckList is an open source and simple application written in GTK3 that enables users to manage their task lists.

QRemoteControl-Server
QRemoteControl-Server is an open source application written in Qt that provides the possibility to remotely control your computer with your mobile phone. It works with ...

Elementary Sky-Blue
Elementary Sky Blue is an open source icon theme specially created for the Elementary Linux operating system. It is based on the OSX-Nostalgie and Ubuntu ...

kde-service-menu-video-dl
kde-service-menu-video-dl is an open source service menu for Konqueror, specially crafted to let users download videos and extract their audio track(s).

Faience-mod
Faience-mod is an open source GTK3 theme, a modified version of the Faience theme created by Matthieu James, specially designed for the GNOME desktop environment.

Ambiance Crunchy for GTK3
Ambiance Crunchy is an open source Ambiance-like theme compatible with  Openbox, Xfce, LXDE, GNOME2, MATE and GNOME 3 (including GNOME-Shell, GNOME-Classic, Cinnamon and Unity).

Winter-Mint
Winter-Mint is an open source GTK3 theme designed to support the following desktop interfaces: Unity, GNOME Shell, Pantheon, Openbox and Xfce. It matches the Winter-Mint ...

Humanfied Orbs
Humanfied Orbs is a free Metacity window decoration based on the Blended, Human and Clearlooks themes. It includes rounded buttons, Glossy Orbs versions, and a ...

Le Frog Metacity
Le Frog Metacity is an open source and fresh Metacity window decoration converted from a jQuery UI theme called Le Frog.

ExiTk-pro
ExiTk-pro is an open source, old and classic Metacity window decoration specially designed to match the ExiTK GTK theme created by the same author.

ExiTK for Metacity
ExiTK is an open source Metacity window decoration specially designed to match the ExiTK GTK theme created by the same author, in an attempt to ...

Shiki-Mactacity Patriotic
Shiki-Mactacity Patriotic is an open source Metacity window decoration based on the Shiki-Mactacity theme, but with patriotic colors: red, white and blue. It is dedicated ...