Stompbox DIY - English/US
GEOFEX: The Guitar Effects-Oriented Website. R. G. Keen's essential resource.
Analog Music Zone: Jack Orman. Original and vintage schems, original designs on CD.
Aron Nelson: His Forum is an incredible resource for beginners and experts alike.
Tonepad: Francisco Peñ Check out his projects and ready-to-solder PC boards!
GeneralGuitarGadgets: J. D. Sleep's projects, schematics, ready-to-solder boards and kits.
Runoffgroove: Technical articles, circuit ideas and snippets, board layouts. Some of the cabinet and amp simulations have become DIY standards.
BYOC: Kits for many classic pedals, with drilled enclosures and ready-to-solder boards. Also has a Forum.
GuitarPCB: Barry Steindel. Well-designed site! Ready-to-solder PC boards for both classic pedals and boutique designs. Also has forums and extensive technical information.
PedalPartsAndKits: Bruce Robertson. Complete kits based on the GuitarPCB line of boards.
Pedal Haven: I was surprised that nobody else had thought of this name! Blog, news, reviews and information on construction and mods.
Aion FX: Kevin VandeKrol. Kits and PCBs.
DiscoFreq: An enormous resource. When we have a question about what a pedal looks like or does, especially a vintage pedal, this is where we go.
SSGuitar: A Forum devoted to solid state guitar amplifiers.
StompThatBox: News, articles, reviews, links to DIY info and pedal makers.
Analog War Cry: News, articles, interviews, reviews. Focus on indy gear makers and their products.
DIY Guitar Site: Many links to guitar, equipment and music resources.
Distortion Ltd.: Weekly magazine with news, articles on gear and pedal makers, DIY projects.
Stompbox DIY - International
Information, shopping, forums, many of them in local languages.
Germany: Das Musikding | Banzai
Netherlands: Newtone
Spain: Pedaldoc
Venezuela & Chile: E3 Pedals
Japan: Takky Engineering
Pedal-related Gear Sites and Friends
Analog Man: "Analog Mike" Piera is well-known for new and vintage pedals and mods. Check out his forum for ideas on making best use of your gear.
For Musicians Only: Tom Hughes offers new and used gear, repairs and custom pedalboard consulting and construction. Author of the encyclopedic Analog Man's Guide To Vintage Effects.
North Star Audio: Tom Lanik manufactures the Pro Pot wah-wah pedal upgrade pot. He is available by email at tclanik@gmail.com.
Loop-Master: Passive signal routers, loopers, and switchers in many configurations, and true-bypass pedals.
This1smyne: Dan Burgess offers standard and custom switch boxes, tap-tempo switches, bypass boxes and mods.
Howard Davis: Designer of many classic E-H pedals, does repairs and consulting.
Stompin-Ground: Pedal boards, cases, racks and cable systems.
Tonefrenzy: Custom pedals, and a large library of sound clips of classic effects.
GuitarElectronics: Pickups, preamps, MIDI interfaces, specialty pots, switches and other guitar parts, and wiring diagrams.
McCon-O-Wah: Michael McConachie's custom Wah pedals and pickups. He's also the designer of the McCon-O-Pot.
Rigquest: Bryan Conley's specialty site for RJM MIDI control of multiple pedals.
Pedal Parts Plus: Family-owned company that does custom drilling, powder-coating and printing on enclosures.