Share photos, videos, music, files, documents and more between all of your devices. File sharing from phone to PC, phone to phone, PC to phone, PC to tablet.
WhatsApp for PC is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Facebook Messenger for anyone who wants to have persistent access to Facebook chat.
Efficient BitTorrent client
Software bundle from Microsoft containing Mail, Messenger, Movie Maker, Photo Gallery, Writer, Toolbar and Family Safety
Mobogenie is a personal manager for your Android phone. Transfer all the apps, contacts, SMS, music and other data between PC, phone, and the cloud.
Add cool live effects and funny graphics such as sunglasses or hats to a webcam's output
Free calls, text and picture sharing with anyone, anywhere!
Store and sync your email, calendar, contacts, files and documents in the cloud - yet have them locally accessible and aggregate information across accounts like Yahoo! Mail, Gmail, Hotmail and social networks like Facebook and Twitter
Mobile messenger app with free voice & video call over 3G/4G & Wi-Fi.
View television and movies via P2P
WeChat is a free messaging & calling app that allows you to easily connect with family & friends across countries.
Call anywhere in the US and Canada for free and get low rates for other countries with this small plugin, right from within Gmail
Instant access to The Pirate Bay, even if your provider does not allow you to visit it!
Last fully functional version of the famous Gnutella client
Extensible instant messaging client for AIM, Facebook Chat, Google Talk, Twitter, ICQ, MSN, and Yahoo
Dashboard for management of your Twitter accounts
Call or send instant messages. Google Talk has been replaced by Google Hangouts as an add-on for the Chrome browser, but it's still available here for download.
The qBittorrent project aims to provide a free software alternative to utorrent
Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
Email client, calender, contact manager & instant messaging application
Video chat rooms & live webcams
High quality and totally free LimeWire PRO alternative. Video Downloader, BitTorrent Client and Media Player.
Free calls to regular phones (+ mobile in US) over the internet
Thunderbird is a free email and calendar application that’s easy to set up and customize.
Lightweight, customizable mail client