Mobiniti - Mobiniti offers a mobile marketing platform for clients to invite customers to engage with their brand through SMS via their mobile phone.
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
SimpleTexting - SimpleTexting offers SMS and text marketing services for companies of all sizes.
Vocaroo - Vocaroo is a quick and easy way to share voice messages over the interwebs.
SendHub - Get a business phone system on your smartphone and computer. We provide professional, affordable sms, text, and voice solutions in an easy to use system. 14-day free trial.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.