There are 1 repository under modular-synth topic.
A FLOSS (Open Source) hexagonal modular synthesizer plugin.
Collection of sketches for ATTiny to replace logic blocks in lunetta like circuits or whatever.
A fork of SoundStage VR that offers a virtual sound laboratory for the arts running on Meta Quest.
Mutable Instruments Stages DIY Firmware & Calibration Guide
A virtual modular synthesizer, written in Rust.
Eurorack modules of Nanas Sound
ATTiny85 circuit which takes TTL-MIDI input and outputs a 1V/Octave CV and a Gate CV signal, as well as an attenuatable 0-5V CV signal (modes configurable via MIDI program change or SysEx messages).
Abschall's Modular and Eurorack related stuff, made with love by Abschall !
A living document listing as many modular synthesis resources as possible. Community driven; submissions welcome!
A wave terrain Eurorack module, designed and built for my masters thesis.