BBC Micro Documentation
Includes documentation of the 6502/6510/8500/8502 instruction set, errata for BBC Micro manuals, Acorn application notes, and WD1770 disk controller programming information.
http://www.cloud9.co.uk/james/BBCMicro/Documentation/

Sitronix Technology Corporation
Manufacturing LCD driver and LCD micro controller units.
http://www.sitronix.com.tw

DIS16
DIS16 - PIC16C5x microcontroller family disassembler.
http://fly.cc.fer.hr/~arsen/dis16/

Snijder Micro Systems
Offers embedded controller with online demonstration and development kit.
http://www.embedded-web.com/

Icon
Soft Electronics is new PIC micro-controller graphic programming software designed for Design and Technology and electronics education at secondary 12+ years, FE and HE
http://education.ntu.ac.uk/icon/

PID controller design and tuning on Internet
PID controller laboratory providing free interactive applets for robust PID tuning, design and loop simulation based on known or unknown process model
http://www.pidlab.com

Al's Robotics
Al's Robotics
http://www.alsrobotics.co.uk

PacComm Packet Radio Systems
GPS receiver,packet modem and micro controller device to controll external RF transmitters.
http://www.paccomm.com/main.html

HARDI sprayer Controller and monitor
HARDI products include field sprayers, liftmounted sprayers, self propelled, orchard and wine sprayers, handheld
http://www.hardi-international.com/Product_and_Solutions/Monitors_and_Controllers/default.htm

ControlSim - Spreadsheet based simulation of PID controller and process
ControlSim is a simulation of a PID controller and a simple process model used for training and practice in controller tuning, for purchase and download from site.
http://www.jashaw.com/ebooks/simorder.html