4
PCWinTech.com
1,305
Freeware
Simple Port Tester is a neat application created to test TCP and UDP ports.
23
Circuit Diagram
2,205
Open source
It helps you make electronic circuit diagrams and export them as images.
335
New Wave Concepts Limited
9,963
Shareware
Combines circuit design, simulation and CAD manufacture to realize projects.
15
University of Colorado
430
Freeware
Build circuits with resistors, light bulbs, batteries, and switches.
12
OMICRON
1,228
Commercial
You can test and analyze the conditions of power transformers.
16
Simutech Multimedia Inc.
833
Shareware
Train yourself to troubleshoot electrical circuits safely with this program.
1
ETCAI Products
293
Shareware
Help teach DC circuit analysis and troubleshooting.
4
Lightware Enterprises
67
Freeware
Connection Tester is an easy and simple software ping tool.
SimpleSoft, Inc.
3
Demo
Simple Tester is a test tool that automatically exercises SNMP v1,v2C agents.
100
ExpressPCB
16,321
Freeware
Create simple or complex layouts for printed circuit boards.
Optim Engineering
13
Demo
A battery voltage tester and a battery load tester.
True Soltec Co.,ltd.
Freeware
Pull Tester is a motor driven automatic pull force tester of crimped harnesses.
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.
29
TRACKZAPPER.COM
697
Freeware
Using Connection Booster you can Wizzard any modem, ADSL, Cable, DSL and LAN connection types for m....
30
SoftDepo.com
3
Boost your modem, ADSL, Cable, DSL & LAN connections for maximum performance.