UKTrainSim
Freeware
This is an addon to the great simulator named Railworks 3.
1
GamesWagon.com
142
Freeware
Do you like Tetris? Then try Tetro Challenge, another free tetris game.
9
Almost All Digital Electronics
560
Freeware
You can enter a schematic list from a book for analysis or modification...
5
Schematica Software
263
Shareware
Filter Wiz PRO provides eSketch-like simulation of the filter design.
20
ETCAI Products
12
Shareware
Add computer-based instruction to trigonometry courses.
21
Georgesoft
Shareware
Virtually 100% accurate challenge/response-based spam blocker. Works with most standard email accoun....
20
TNL Total Solutions
4
Shareware
TNL Antispam uses an automated challenge/response technology to stop spam.
38
Brotherhood Software
1,972
Freeware
It is a type of challenge-response test used in computing.
70
Iowegian
84
Shareware
ScopeFIR™ is the premiere software tool for Finite Impulse Response filter.
Roger Nichols Digital, Inc.
18
Demo
It builds a complex FIR (Finite Impulse Response) filter to your specifications.
69
Iowegian
40
Shareware
ScopeIIRis the software tool for Infinite Impulse Response filter design.
Released under the GPL
3
Open source
Bayesian Filter Plugin was written in response to the large amount of spam.
Noisebud
46
Freeware
Filter songs as per Fletcher and Munson frequency response curve of human ear.
Liberty Instruments, Inc.
54
Freeware
SynRTA is a freeware soundcard-based audio frequency response analyzer.
Teck System Soft LLC
Freeware
A freeware tool designed to monitor the response time and status.