List of synth DIY repositories

This attempt at a list of synth DIY repositories is not comprehensive, if you find any errors or omissions please fix them. Strike-through entries no longer exist but are still included here for completeness.

GitHub

 * 4ms Company
 * 8bitPig, Jens Steinheil
 * ALM/BusyCircuits busycircuits
 * AudioMorphology
 * awesome eurorack open-source, community-curated list of awesome eurorack diy and opensource projects
 * Bastl Instruments
 * Befaco
 * Ben Reeves, joyfulnoisesynth
 * boourns
 * CAT's Eurosynth
 * Chis Beckstrom's DIY Modular Synthesizer
 * craigyjp
 * Daniel Bachmann
 * deladriere/euro-modules
 * dozencrows/eurorack
 * Dragos Rotaru
 * Émilie Gillet, Mutable Instruments
 * Erica Synths DIY Eurorack Modules
 * Eurorack-awesome
 * forestcaver
 * Gerbrand Sterrenburg
 * irie electronics
 * Infinite Machinery
 * Ixox
 * jakplugg
 * Jason H. J. Lim
 * Joe Beuckman
 * Joe Earlam
 * John Staskevich
 * Julien Nicault
 * kweiwen
 * Lars Bengtsson
 * Len42/Synth
 * Marten Agren, marangisto
 * Martin Klang, Rebel Technology
 * Midori, raphschwarz
 * minisystem
 * Mitch Altman
 * mjecke
 * Møffenzeef Mødular
 * mysticcircuits
 * mxmxmx
 * neilogd/eurorack-modules
 * nickajeglin/Eurorack-pcbs
 * MiDispositivoMIDI
 * OpenModular, Open source music design hardware and software
 * Otto's DIY Eurorack Modules
 * Pharmasonic
 * Plum Audio
 * Polykit
 * Promesoft
 * ramphands
 * robgmsn GMSN! and JoeEarlam/GMSNPure an attempt to collate all GMSN's OS designs after it went offline.
 * Russell McClellan
 * ScottBillings
 * Julian Schmidt, SonicPotions
 * Sound-Study-Modular
 * THX2112
 * TomWhitwell, Music Thing Modular
 * tpcarlson synth-diy
 * Väinö Ala-Härkönen
 * Václav Peloušek, Bastl Instruments
 * Vladimir Pantelic
 * Xavier Hosxe

GitLab

 * Frmfktr
 * Green online