Description: Asterisk is an open source communications software that allows you to build telephony applications and services. It supports voice over IP, video conferencing, voicemail, auto attendant, interactive voice response, and more. It can be used to build PBX systems, call center solutions, and other communications platforms.
Type: software
Pricing: Open Source
Description: textPlus is a free texting and calling app for Android and iOS. It allows users to send SMS texts and make phone calls for free over WiFi. Some key features include free unlimited texts and calls to any phone number in the US and Canada, voicemail transcriptions, group messaging, and integrating your existing phone number.
Type: software
Pricing: Free