1. Autodesk/CadSoft (Eagle)
  2. Autodesk123D (formerly Circuits.io) 
  3. Advanced Microcomputer Systems (ASC)
  4. Altium
  5. AutoTRAX
  6. Baas Electronic-s
  7. CAD-UL Electronic Services
  8. CADint
  9. Cadence Design Systems
  10. Capilano Computing (DesignWorks)
  11. Chunk Systems
  12. Circuit Mind
  13. CometCad
  14. Computamation Systems Ltd. (VuTrax Electronics)
  15. CSieda Developer Group
  16. DalTools
  17. DesignSoft
  18. DesignSpark
  19. Downstream Technologies
  20. EasyLogix Software Development
  21. EasyEDA
  22. Elgris Technologies
  23. EMA Design Automation
  24. FreePCB
  25. Fritzing
  26. gEDA
  27. Intercept Technology
  28. KiCAD
  29. Konekt
  30. Labcenter
  31. Layo1 PCB
  32. LHP Software
  33. McCAD
  34. Mentor, A Siemens Business
  35. MeowCAD
  36. MicroCad
  37. Novarm (DipTrace)
  38. Number One Systems
  39. Okada Hitoshi
  40. Osmond PCB
  41. Patchr
  42. PCB Droid
  43. PCB Elegance
  44. PCB Design and Fab
  45. PCBWeb
  46. Pulsonix
  47. Quadcept
  48. TCI Software
  49. TechSoft
  50. Tsien
  51. Upverter (Altium)
  52. Valydate
  53. Visionics
  54. VuTrax
  55. ZenitPCB
  56. Zuken
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