Fluid!

Franz is a free messaging app / former Emperor of Austria and combines chat & messaging services into one application. Franz currently supports Slack, WhatsApp, WeChat, HipChat, Facebook Messenger, Telegram, Google Hangouts, GroupMe, Skype and many more. You can download Franz for Mac, Windows & Linux.

Rambox gives you the possibility to add common services many times you need, all in one place. It's perfect for people who work with many services for business and private accounts.

GNOME Web is the web browser for the GNOME desktop, based on the popular WebKit engine. It offers a simple, clean, beautiful view of the Web featuring first-class GNOME desktop integration. Its code name is Epiphany.

WebShell is an OS X WebView shell, which help you easily bundle the Web Apps to native OS X app without coding.

Fogger turns your cloud apps into regular desktop apps.Fogger acts as a bridge between web applications and the linux desktop. It exposes an easy to use JS API to webapps which can be used to interact with the host desktop environment. It can also be used to write basic desktop apps for linux in pure web style.

Epichrome is an application (Epichrome.app) and Chrome extension (Epichrome Helper) to create and use Chrome-based SSBs on Mac OSX.

Applicationize converts your favorite web apps into desktop apps with their own dedicated launcher icon.

Convert any website into an app for your dock

All-in-One Messenger combines chat and messaging services into one simple application.Use messengers like WhatsApp, Telegram, Messenger, Skype and many more in one app!

One desktop app for many apps, included Gmail, Inbox, Skype, Facebook Messenger, but also professional collaboration platforms like Salesforce, GitHub, Confluence, Bitbucket and many more.

One App for all messaging services.

Convert your Website to a Google Play Ready Android App.Supports html, htm, js, css and all other web content.Build app from any web server site or from local directory.