Communication Software for Windows
Microsoft Outlook
Microsoft Outlook is a freemium personal email service and email client created by Microsoft. Microsoft Outlook does not scan your email for the purpose of serving you ads. The Microsoft Outlook email client allow you to be productive and stay connected from your home, on the go, and everywhere in between. Microsoft Outlook also integrates well with other Microsoft service allowing you to reach an eco-system of productive apps from within your mail client, be it in the browser or natively on your computer or mobile device.
Periscope
Periscope is an application that lets you broadcast and explore the world through live video. With Periscope, users can broadcast live video to the world, and interact with people and their broadcasts through hearts and comments. The app allows users to discover popular live streams across the globe by searching for locations or topics.
DroidCam
DroidCam is an application that can turn your Android or iOS device into a webcam using a USB cable or wirelessly over WiFi. The application allows you to use you phone as a web cam for video chat services like Skype and , or stream video for YouTube, Twitch and more. To use DroidCam and pair it with your computer you must install the a computer client as well, currently DroidCam supports connectivity with Linux and Windows.
Signal
Signal is a cross-platform encrypted messaging application that has a strong focus on privacy. The application is developed by Signal Messenger LLC and provides users with features like one-to-one and group messages, which can include files, voice notes, images and videos. The software is famous for being used by the whistleblower and privacy advocate Edward Snowden who once said "I use Signal every day, it is the most scalable encryption tool we have".
Pushbullet
Pushbullet is a software that connects your devices, making them feel like one. Pushbullet makes sharing and chatting with friends more convenient than ever. Send files. Moving pictures and files between your devices has never been easier. Files download automatically and can be opened right from the notifications.
WhatsApp
WhatsApp is free messenger app for chat and voice over IP, owned and managed by Facebook. The application allow users to send text and voice messages, make voice and video calls and share images, media files and user locations with friends and family.
ManyCam
ManyCam is a software that allow you to use multiple different video chat and video streaming applications simultaneously. With ManyCam, it is easy to record and broadcast live videos on popular third-party platforms YouTube, Facebook and others. To enhance these communications you can add virtual backgrounds, create layers and presets, screencast desktop, and more.
HipChat
A web-based service for internal instant messaging and private chat for organizations. HipChat provides one-on-one and group and topic-based chat, as well as cloud-based file storage, video calling, searchable message-history and inline-image viewing. You can use HipChat natively on your desktop or mobile phone, or web browser. HipChat is available for Android, iOS, macOS, Linux, Windows and the Web.
Irssi
Irssi is a terminal based IRC client for UNIX-based operating systems. Irssi comes with IRC built-in and is multi-protocol friendly for module authors, it also support integration with SILC and ICB protocols via plugins. The application easily integrates with your window manager, your terminal emulator, your remote connection, your terminal multiplexer, your IRC bouncer and your IRC adapter. Allowing you to use Irssi virtually everywher throughout your system. Irssi is free software licensed under the GPLv2, available for macOS, Linux, BSD, Solaris, and Cygwin.
Thunderbird
A free an open-source email client developed openly by the Mozilla Foundation and the community. Thunderbird is easy to setup and customize and supports POP and IMAP. The email client comes with all features needed to search, filter, write and manage emails, but also have builtin support for live chat between contact and RSS/Atom feed reader.