DIY projects
Texas Instruments SN76477, a few articles, datasheet etc.
DIY panel
SonicV-VI-filter.gif PCB, test version (with several errors, do not use) showing useability and quality of Osmond.
Rolands DCB specifications
psu/index.html+/-15V SAS MODULAR powersupply
PCB drawing guides
http://www.semis.demon.co.uk/PCB/PCB.html
http://lwn.net/2000/features/pcb/
PCB drawing applications
Various links worth checking out:
Mac
Osmond
http://www.swcp.com/~jchavez/osmond.html <- now also for OS-X
Epoxy
http://www.epoxy.fr.st
PCBWarrior
ftp://ftp.informatik.rwth-aachen.de/.../
Douglas
www.douglas.com
Windows
Orcad
http://www.orcad.com or try http://www.cadence.com
Protel
http://www.protel.com
CAD Soft
http://www.cadsoft.de, EAGLE
Proteus
http://www.labcenter.co.uk, Proteus
Autotrax
http://www.autotraxeda.com/
Express PCB
http://www.expresspcb.com
Diverse
http://www.pcb-pool.com/html_uk/uk_service_1.htm
RUN EDS
http://www.formula.de/
Länkar!
http://www.aracnet.com/~gpatrick/links.html
Linux and some of them also runs on unix
Other stuff
PCB Standards
http://www.pcbstandards.com/index1.html
http://www.euronet.nl/~rja/Emusic/Synth-diy/ Synth-DIY mailling list
http://www.buchi.de/sdiy/ Synth-DIY list archive
Since internet is a constantly changing organism these links may or may not work.
http://aupe.phys.andrews.edu/diy_archive/
http://home.debitel.net/user/jhaible/
http://home.earthlink.net/~ijfritz/
http://home.swipnet.se/cfmd/
http://home.swipnet.se/~w-133242/
http://kato.sai.com.au/catgirl/synth/ There's more on that site
http://members.home.net/sbernardi/elec/
http://monopole.ph.qmw.ac.uk/~thomas/synthdiy/index.htm
http://omega.tellus.vallentuna.se/anders/
http://perso.wanadoo.fr/jbv.silences/DIY/
http://www.angelfire.com/electronic/epeasant/
http://www.bluebear.org.uk/circuits/
http://www.buchi.de/m100/ There's more on that site
http://www.fa.camelot.de/diy/
http://www.flash.net/~klmart/SynthLeader.html
http://www.geocities.com/efm_gc/index.html
http://www.geocities.com/SoHo/Museum/4459/
http://www.geocities.com/ullrich_67/synthdiy.htm
http://www.geofex.com/
http://www.indiemusicsite.com/synth/dave/
http://www.joness.com/fatman/index.htm
http://www.metasonix.com/
http://www.musicsynthesizer.com/
http://www.oldcrows.net/~oldcrow/
http://www.oldcrows.net/~patchell/
http://www.ori.org/~aaronc/synth/
http://www.resonance.fsnet.co.uk
http://www.silcom.com/~patchell/
http://www.simple-answer.com/DIY.html
http://www.synths.nl/1101b.pdf
http://www.techrepairs.freeserve.co.uk/projects.htm
http://www.uni-bonn.de/~uzs159/
http://www.wavesynth.com/modulus/
http://www.wiard.com/
http://www.xs4all.nl/~krooshof
http://www5b.biglobe.ne.jp/~houshu/synth/