- Analog Monster
- Analog Notes
- Atanua Real Time Logic Lab
- Bill and Will's MOTM Analog Synthesizer
- bleeps and peeps
- casperelectronics (Peter Edwards's site)
- Curious Inventor (Totally Cool Learning Site)
- Data Sheets (WWW.ALLDATASHEET.COM)
- Datasheet4U.com
- DatasheetArchive.com
- DataSheetDir.com
- Datasheetpro.com
- DOEPFER MUSIKELEKTRONIK GMBH
- Don Sauer's Web Site (Designer of the LM13700)
- Doug Frome's Site Home of "Consciousness Connector"
- eDrum Site (Admir Salahovic's Site)
- electro-music.com
- electro-music.com Sound Lab Forum
- Electronics with Graham Knott of CRC
- FlexiMusic - Music and Audio Software
- Flower Electronics - Cool Sound Boxes
- Henry Walmsley's Site
- Ian Fritz' Site
- Infection Music Limited
- James Patchell's Site
- Jörg Schmitz' Site
- Jürgen Haible's Site
- KA Electronics (1K tempcos & THAT ICs)
- Ken Stone's Site
- Kevin Lightner's Synthfool! Site
- Laurie Biddulph's Elby Designs Site
- MACBETH STUDIO SYSTEMS analogue synthesizers
- "Manual Manor" by Mark Glinsky
- MATRIX-SYNTH (Everything Synth)
- Microtonal Synthesis
- Motohiko Takeda's Site
- Music Thing
- Music Synthesizer.com
- Natural Rhythm - diy
- Neil Johnson's Site
- Oakley Sound Systems
- Oren Leavitt's Site
- Osamu Hoshuyama's Site
- PAIA Research
- THE PALATIN PROJECT
- Papareil Synth Labs
- Peter Grenader's Site
- PUL(SEW)IDTH - Cuddle up to a felt synth.
- René Schmitz' Site
- RetroSonik
- Roman's Site
- Scott Juskiw's Site
- Scott Stites' Site
- Seb's Synth-DIY Pages
- Serge (Unofficially speaking...)
- Steve Thomas' Site
- Subscribe to Analog Heaven email
- Subscribe to Synth-DIY email
- www.Synth.net
- Synthasonic
- www.synthdoc.com
- Synthesis Technology, Home of Paul Schreiber's MOTM
- Synthesizers.com
- Synthtopia Electronic Music Portal
- The Electronics Club
- The Electronic Peasant
- The Free Information Society - Schematics
- The Master Synthesizer Book List
- The New England Synthesizer Museum
- The Thomas Henry VCO-1 (Article on Scott Stites' site)
- Thorsten Klose's uCApps.de
- TONEPAD - A Resource For DIY Music
- Vaco Loco Synths
- verde audio (DIY Studio Electronics )
- Wiard Synthesizer (Grant Richter's) Site
- Yves Usson's site