Websites for Small Parts / Electronics
Adafruit
Sparkfun
Mouser
Labmaker.org
DigiKey.com
Pololu.com
Small Parts (now with Amazon)
SuperBrightLEDS
ThorLabs
3D printING SERVICES
3D Print Design
Cura (for Ultimaker)
MatterControl 2.0
3DPrinterOS
KISSlicer
Slic3r
IceSL
OctoPrint
Repetier-Host
AstroPrint
3D-Tool Free Viewer
Meshmixer
MeshLab
Netfabb – AutoDesk
TinkerCAD
3D Slash
Sculptris
Vectary
Figuro
SketchUp Free
Fusion 360 – AutoDesk
FreeCAD
Blender
OpenSCAD
3D Builder (Microsoft)
AutoCad – AutoDesk
Printed Circuit Board (PCB) Vendors
PCBway
OSHPark
Pentalogix
PCB:NG
jlcpcb
ExpressPCB
Pad2Pad
JR PCB Designs
Sierra Circuits
Seed Studio Electronics
SunStone Circuits
Sites to DOCUMENT AND Share Projects
Company Supporters of Open Science
Backyard Brains
NeuroPhotometrics
Sanworks
ThorLabs
Plexon
TDT
inTan
Neuralink 😛