Headless Mumble Linux Client for use as a Transceiver, Walkie Talkie, Intercom, Radio Gateway for SBCs

UIButton subclass with push to talk recording, speech recognition and Siri-style waveform view.

Control your microphone using keyboard and mouse hotkeys.

EVO PTT - The Walkie Talkie Solution for Businesses

Web Browser Audio Detection/Speech Recording Events API

A bluetooth based push to talk app for Android.

Android SDK for Zello Work push-to-talk client

A simple Push-to-Talk implementation

VoicePing Android SDK - Walkie Talkie/Push-To-Talk Android SDK for your Chat Apps

Push-To-Talk App for Android

Integrate ZelloWork into your Windows app or build a custom radio gateway

Resgrid Dispatch is a dedicated application for dispatchers to create and manage calls\incidents and unit responses for users of the Resgrid system

Global P2P Audio/Video calling app over RiV-Mesh network. No server or Internet access needed.

A cross-platform app for system-wide push-to-talk, written in C++ with Qt.

Simple "push to talk" for Pulseaudio on GNU/Linux Desktop in user mode wrote in python (command line only)

An application for muting your microphone until a set key, button, or combination of keys is held (push-to-talk).

PoC: Simple "Push To Talk" example

TRX is a tool to send audio over RTP using the Opus codec. This is a fork of http://www.pogo.org.uk/~mark/trx.git

The Jabra Perform BlueParrott Android SDK provides developer access to the programmable BlueParrott Button™ or configurable button found on premium BlueParrott headsets or Jabra Perform Series Headsets allowing for control of select functions and activities within a mobile application directly from the headset.

Want push-to-talk in Zoom for Linux? Use this program to mute a PulseAudio source output unless a keyboard key is held.