Phoner and PhonerLite are softphone applications for Windows operating systems available as freeware. Developed by Heiko Sommerfeldt
License: Free
Tkabber is a highly customizable instant messaging client that supports multiple protocols, making it suitable for advanced users who need flexibility. In contrast, Phoner focuses on providing high-quality voice calling with an easy-to-use interface, making it ideal for users who prioritize simplicity and call management.