Top rated in Instant Messaging & VoIP

QuteCom allows you to make free PC to PC video and voice calls

Free, customizable Twitter client with a strong, efficient workflow.

SCIM (the Secure Cryptographic Instant Messenger) is a unique client/server and P2P Instant Messenger that uses a unique combination...

Multiprotocol Adium instant messaging client that can connect to AIM...

Xfire client for the Mac. Features: Supports clans - Login using your existing xfire account (or create a new one on xfire.com if you haven't got...

Software that gets the right people to the right place at the right time

Send and receive instant messages with different protocols.

This phone recording software allows you to manually record telephone calls.

Spaz is a microblogging client for Twitter, Identi.ca and StatusNet.

sipgate is a phone service, full of features and extremely easy to use...

Allows you to hold private business conferences with your clients or employees.

Kadu is an open source gadu-gadu protocol instant messenger client for Linux.

SightSpeed provides video and voice calling service for both Macs and PCs.

Integrates all your favorite Google services tightly with your Mac.

Checkup who unfollowed you or deleted a like or a comment.

Create a live stream on Instagram easily and instantly.

Bring together all the people who matter most with group calling.

Join meetings hosted by Zhumu cloud hardware products.

Gives your organization the power to connect and collaborate effectively.

Connect with customers, partners, vendors, and coworkers from the OnSIP account.