17
Schematica Software
803
Shareware
555 Timer PRO provides an array of design wizards and circuit blocks.
32
Design Spark
4,846
Freeware
Capture schematics and design PCB boards and layouts.
1
TERASAKI
64
Freeware
TemCurve Lite is a free circuit breakers selectivity software.
11
ECA
9
Commercial
vrt-dvd 2011 is the complete database for all kind of semiconductors.
3
EDrawSoft
261
Shareware
Create schematic diagrams, circuits, and wiring diagrams.
95
MCS Electronics
8,863
Demo
BASCOM AVR is a very powerful compiler for AVR micro controllers.
8
the Qucs team
3,049
Open source
Quite Universal Circuit Simulator is an integrated circuit simulator.
13
Richard P. Andresen
1,147
Shareware
Use analog circuit simulation for the professional circuit designer.
3
ABB
329
Freeware
Air circuit breakers can be used both as circuit-breakers for general protection.
12
Qoppa Software, LLC
7
Commercial
Convert PDFs to images and images to PDFs.
1
PdfPro
313
Freeware
A great program designed to convert word files to PDFs and PDFs to word files.
SpirePDF HTML to PDF Group
Shareware
Get Stunning PDFs Files inside C# with SpirePDF HTML to PDFs Updated Tool.
27
Matt Pyne
6,472
Open source
Draw electrical circuit diagrams and PCB netlist files.
25
Moeller Software
259
Shareware
EASY-SOFT is a graphic editor for representation of the circuit diagram.
203
Cadence Design Systems, Inc
15,161
Freeware
PSpice Student is an analog circuit simulator designed for students.
31
KiCad Developers Team
14,218
Open source
You can create schematic diagrams or printed circuit board with up to 16 layers.