iax2

USB Modem/IAX2 War Dialer

Free Android IAX2 softphone for organizations with an existing PBX account.

VoIP voice bridge with soundboard for prank calling

IAX2 repeater registration with local or central credential lookup

A full AllStarLink-style node in a desktop app - no radio, Pi, or VM. Native IAX2, Web Transceiver guest mode, push-to-talk. Windows / Linux / macOS.

Software Fax (Receiver)

VoxBox - VoIP PBX distribution based on Asterisk, FreePBX

Asterisk IP PBX with SIP and IAX2 subscribers: custom dial plan with call recording, dictation, voicemail and PIN authentication, configured entirely from the CLI.

IAX2 softphone for Linux and Windows, written in 2005 and unmaintained.

A hobby macOS-native AllStarLink simplex hotspot built on a single HackRF One — experimental, under active development, no support