Thunderbird is a free email and calendar application that’s easy to set up and customize.
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.
µTorrent is an efficient BitTorrent client that is lightweight, and powerful. It offers fast downloads with automatic
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.
Facebook Messenger for anyone who wants to have persistent access to Facebook chat.
Make free online calls, text messages, affordable international calling to mobiles or landlines and Skype for Business for effective collaboration.
Software bundle from Microsoft containing Mail, Messenger, Movie Maker, Photo Gallery, Writer, Toolbar and Family Safety
Free calls, text and picture sharing with anyone, anywhere!
Signal lets you send group, text, voice, video, document, and picture messages and calls. Your communication is always end-to-end encrypted to keep your communication safe. We can't read your messages or see your calls, and no one else can either.
Call anywhere in the US and Canada for free and get low rates for other countries with this small plugin, right from within Gmail
Mobile messenger app with free voice & video call over 3G/4G & Wi-Fi.
Add cool live effects and funny graphics such as sunglasses or hats to a webcam's output
Instant access to The Pirate Bay, even if your provider does not allow you to visit it!
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.
WeChat is a free messaging & calling app that allows you to easily connect with family & friends across countries.
Tribler lets you view all kinds of television programs and movies via P2P. You can watch even before the download is finished.
Dashboard for management of your Twitter accounts
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
High quality and totally free LimeWire PRO alternative. Video Downloader, BitTorrent Client and Media Player.
Lightweight, customizable mail client
Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
Slack simplifies business communication. It brings all your team's communication together, giving everyone a shared workspace where conversations are organized and accessible.
Email client, calender, contact manager & instant messaging application
Video chat rooms & live webcams
Last fully functional version of the famous Gnutella client
Extensible instant messaging client for AIM, Facebook Chat, Google Talk, Twitter, ICQ, MSN, and Yahoo
Free calls to regular phones (+ mobile in US) over the internet
All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.
The qBittorrent project aims to provide a free software alternative to utorrent