Using AppImageKit you can package desktop applications as AppImages that run on common Linux-based operating systems, such as RHEL, CentOS, Ubuntu, Fedora, debian and derivatives. http://appimage.org
Soundnode App is the Soundcloud for desktop. Built with Electron, AngularJS and consuming Soundcloud API.
Cross platform GUI framework for desktop and mobile applications in .NET
WebLaF - Java Look and Feel library for cross-platform Swing applications
Next generation desktop application development platform for the JVM
Desktop Photo Management software built on top of the Gnome platform, F-Spot
Jappix, a full-featured XMPP web-client (Jappix Desktop, Jappix Mobile & Jappix Mini). Follow us on Twitter @jappixorg
Interactive graphical desktop interface for BinPy
Gisto is a Cross-platform snippets management desktop application that allows you and/or your team share code snippets fast and easily. Based on GitHub Gists Infrastructure which means you can use all your existing snippets by connecting your GitHub account! Gisto started as an attempt to fulfill the lack of a syntax highlighted and cloud synchronized code snippet solution. You may thing of Gisto as Evernote for code.
A cross-platform desktop tool to extract selected data from any webpage with predefined filters with one click.
Desktop notification for Gmail using electron api
Desktop application to design, manage, and serve HTML5 overlays for various applications!
Desktop WebKit wrapper for HTML/CSS/JS applications.
An interesting interface for interacting with your desktop.