Web browsers:
Firefox - http://www.getfirefox.com
K-Meleon - http://kmeleon.sourceforge.net/
Mozilla - http://www.mozilla.org/
Netscape - http://channels.netscape.com/ns/browsers/default.jsp
Opera - http://www.opera.com

Web servers:
Abyss - http://abyss.sourceforge.net/
Apache - http://httpd.apache.org/
Apache2Triad - http://apache2triad.net/
HTTP File Server - http://www.rejetto.com/sw/
Sambar - http://www.sambar.com/
Savant - http://savant.sourceforge.net/
SimpleServer:WWW - http://www.analogx.com/contents/download/network/sswww.htm
Smart Cache - http://scache.sourceforge.net/
TinyWeb - http://www.ritlabs.com/tinyweb/index.html
Xitami - http://www.xitami.com/

Webcam Software:
booruWebCam - http://www.booru.net/
Dorgem - http://dorgem.sourceforge.net/
grabMotion - http://www.grabmotion.com/
Pryme - http://www.hilo.dk/pryme/

Checksum Utilities:
fsum - http://www.slavasoft.com/fsum/
HashCalc - http://www.slavasoft.com/hashcalc/
hksfv - http://www.big-o-software.com/products/hksfv/
ICEECC - http://www.ice-graphics.com/ICEECC/IndexE.html
md5sum - http://www.etree.org/md5com.html
md5summer - http://www.md5summer.org/
MooSFV - http://www.ubercow.com/moosfv/
QuickPar - http://www.quickpar.org.uk/
QuickSFV - http://www.geocities.com/SiliconValley/Mouse/4668/