Twinkle alternatives

Twinkle is an open-source soft phone application that enables voice over IP communication using the SIP protocol. It supports direct IP phone-to-IP phone calls or through a SIP proxy for network routing.

Alternatives

• Jami
• Jitsi Desktop
• Linphone
• MicroSIP
• Ekiga
• Bria
• Blink
• Sipdroid
• Adamant Messenger
• Zoiper
• QuteCom
• Phoner