astTECS Call Center Dialer - *astTECS call center dialer is an open source call center solution for outbound & inbound processes. Featuring Predictive dialer, and auto dialer to enhance the performance.
Telbee.io - telbee adds voice messaging to podcasts, websites, social media and email to easily hear from and build human relationships with your customers and community - save time, reduce frustration, and gain sales, understanding and fans
Aheeva - The Omnibrand, Omnichannel, Omnilocation Contact Center Solution
Vocaroo - Vocaroo is a quick and easy way to share voice messages over the interwebs.
Aavaz.biz - Aavaz Telemarketing Software is created to serve small businesses design and launch efficient calling campaigns, free from the traditional barriers of expensive and technological complexity.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.