There are 2 repositories under jackaudio topic.
ZynAddSubFX open source synthesizer
A FLOSS (Open Source) hexagonal modular synthesizer plugin.
A multi-channel audio mixer desktop application for the JACK Audio Connection Kit.
Assists music production by grouping standalone programs into sessions. Community version of "Non Session Manager".
Auto-connect new JACK ports matching the patterns given on the command line.
A real-time netlist based audio circuit plugin
An updated WINE library/driver allowing Windows music apps to use ASIO fast audio routed thru JACK or JACK2 on Linux
A chorus audio effect plugin based on DSP code by Togu Audio Line (TAL)
Loop application synced with jack transport
patchOS turns your Raspberry PI 4 into a multi channel, full duplex, low latency audio streamer
MidiJoystick is a MIDI client for the Jack Audio Connection Kit on Linux, which lets you use your joystick to emit MIDI commands
A NDI to JACK (Jack Audio Connection Kit) converter that works with Raspberry Pi (32-bit and 64-bit), and Intel/AMD CPUs
A systray application to quickly change the JACK-DBus configuration from QjackCtl presets.
MIDIHasKey — Virtual MIDI keyboard suitable for microtonal music
terminal-based peak-meter for JACK audio system writen in Go
Industrial Grade Digital Synthesizer for Linux (fork)
Qt graphical user interface to the liquidsfz library, an SFZ synth player.
Repository to revive the good old Mx44 synth
A little bot that takes input from alsa
JACK settings using a jackd based systemd service
A Nim wrapper for the JACK client-side C API aka libjack
A GUI for jack_capture using PyQt5