Pronto
Pronto is an instant messaging and voice chat tool that allows students and instructors to meet spontaneously and live online at any time to discuss their coursework. Pronto works with course management systems Blackboard and WebCT to automatically populate students? contact lists with their classmates? names, making it easy for students to spontaneously collaborate live online. 

Features:

• Instant messaging (IM) - students can chat with classmates or instructors anytime.
• Voice over IP (VoIP) Audio - students can plug in a microphone to their computer and chat regardless of location.
• Group IM and VoIP - not limited to one-on-one conversations, entire groups of students can chat at the same time.
• Contact lists automatically populated ? class lists are automatically populated eliminating the time needed to track down student contact information.
• Contact lists segmented by class - contact lists are created on a class by class basis.
• Linked to Blackboard or WebCT - no need for a campus to create a user name or password for students as all access privileges are created automatically based on a school's course management system.
• Teachers and Teaching Assistants displayed differently - easily distinguish between students, instructors and teaching assistants.
• Integrated "Help" - display contextual help information or contact Horizon Wimba technical support.