Software
| Audio SoftwareSoftware for computing speakers, analyze sound, test audio systems and design Tube amplifiers | 15 | 
| CAD/CAM SoftwareComputer Aided Design, Front Panel design, Computer Aided Manufacturing, PCB Milling, CNC Control | 25 | 
| Calculators / InfoResistor calculators, 555 timer calculators, Transistor Databank, OPAMP & Filter calculators, etc | 48 | 
| Circuit Design - SimulationCircuit Simulators, Analyzers, Power Supply Designer, Filter Designers, Schematic capture, etc | 54 | 
| MicrocontrollersIntegrated Development Environments, Programmers, MCU calculators, etc | 40 | 
| MiscellaneousPart Organizers, Miscellaneous software, Virtual Com ports, Parallel Port Control, USB to Ethernet etc | 22 | 
| PC MeasurementsSound Card Oscilloscopes, frequency meters, frequency generators, serial port terminals, etc | 33 | 
| PCB DesignPCB design software, Part Libraries, 2D/3D Gerber Viewers etc | 57 | 
| Smartphone Service ManualsIphone, iPad, Samsung, Xiaomi, Huawei, Vivo, Meizu mobiles phones service manuals / schematics etc | 9 | 

