Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
EZ Texting - EZ Texting provides SMS marketing solutions to businesses of all sizes.
Upcall - Upcall enables you to crowdsource your outbound calls. Collaborate with 1000+ on-demand callers worldwide for sales, marketing and customer support calls. Free trial.
Textmagic - The all-in-one solution for all your business texting needs - marketing campaigns, two-way SMS chats, reminders, notifications, and internal staff communication.
HeyHi.sg - Video call with interactive whiteboard
SimpleTexting - SimpleTexting offers SMS and text marketing services for companies of all sizes.