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: GoodReader is a popular PDF and document reader app for iOS devices. It provides full annotation support, organizing files into folders, reading PDFs, Office files, text files and more.
Type: software