ProximiChat

ProximiChat adds proximity voice chat to Minecraft. Hear other players through your speakers in real time — the further they are, the quieter they sound. No external software needed.
Features

Proximity voice — players within range are heard based on their distance
Whisper mode — a shorter range for private conversations nearby
Push-to-talk or voice activation — choose your preferred input mode
Mute system — mute specific players on your end
Private voice groups — talk with friends at any distance on the same server
Speaking overlay — small icons appear when nearby players are talking
In-game settings screen — adjust mic volume, speaker volume, noise suppression, and more

Requirements

Minecraft 1.20 to 1.21.x
Fabric Loader 0.14+
Fabric API
Must be installed on both the client and the server

Installation

Install Fabric Loader for your Minecraft version
Download Fabric API and place it in your mods/ folder
Place proximichat.jar in your mods/ folder
Launch the game — config is generated automatically at config/proximichat.json

Default key bindings

V — Push to Talk
M — Toggle Mute
Voice settings screen — unbound by default (set it in Controls)

Source code
This mod is open source under the MIT license.