Apps with 'Integrated Chat' feature

Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation.

All-in-one voice, video and text chat for gamers that’s free, secure, and works on both your desktop and phone.

Email service.

GOG.com (Good Old Games) sells classic PC games through their download service at a low price, without DRM, and updated to run on the latest versions of Windows and other systems.

Free online social media and network service connecting people with friends, family, classmates and more.

Open source productivity suite for managing documents, collaborative projects, and CRM.

Pushbullet is the easiest and fastest way to send links, pictures, files, lists, notes, and more right into your phone's notification tray, to your computer, or to a friend...

Free remote PC access software that can display the screen of another PC via LAN or the Internet.

BiglyBT is a feature filled, open source, bittorrent client based on the Azureus open source project, now Vuze .Features:

Vuze is a free BitTorrent client used to transfer files via the BitTorrent protocol.

Phabricator is a collection of open source web applications that help software companies build better software.Phabricator includes applications for:

The desktop app for Battle.net is designed to improve your launcher experience. It'll also streamline your ability to play Blizzard games!.

Known is a simple platform for publishing words, pictures, podcasts and more to a site that you control.

Create instant task lists, share notes, and video chat, all on the same page. Taskade is a modern organization and collaboration tool for getting things done. Get our app on Web, Mobile, Chrome, Mac and Windows. Taskade is simple, flexible, and fun! .