3CX VOIP Phone for Windows 1.0 Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP/ VOIP provider/ phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Free download from http://www.3cx.com

Voicent Phone Appointment Reminder 5.2.1 Easy to use automatic telephone notification software with confirmation and built in calendar. Ideal for time sensitive customer based organizations and professional offices. The reminder messages can be personalized with text to speech feature.

Voicent BroadcastByPhone Autodialer 5.4.2 PC to Phone Auto Dialer Telephone Voice Recording Broadcast. Ideal for group event reminders, marketing, political campaign promotion, emergency notification and more. Spreadsheet interface makes it easy to create or import phone list.