Ftp sites (specific software packages)
7-zip
AOMEI Backupper
AutoIt Automate and script Windows Tasks
Borland (now part of Micro Focus) C++ and other products
Easy2boot Make multi-boot USB keys
Emacs Primary site
Ghostscript
Ghostscript ftp Postscript display, conversion
Info-zip
IrfanView Freeware image viewer for Windows
M.A.M.E Multiple Arcade Machine Emulator
Media Player Classic
Memtest86 Stand-alone memory test
pdftk PDF Toolkit
Persistence of Vision Raytracer
POV raytracer ftp
QCustomPlot Plotting library for Qt
Q-dir Mulit-pane explorer replacement for Windows
Regina Rexx
Remind
Spybot Search and Destroy Adware/Spyware remover
Super Mongo
The Kermit Project
Ultimate Boot CD
Ultimate Boot CD for Windows Hasn't been updated since 2011
UUDeview Decoder for MIME and uuencoded files
UUDWin32 Decoder for various xx-encode formats
VideoLAN Mutli-platform MPEG and DVD viewer
VideoReDo
xplorer2 Windows Explorer replacement
Network and Internet software
Firefox
Ipswitch WS_Ftp
NeOS peer-to-peer networking for DOS (from Croatia)
Pegasus email public community site
Privoxy ad-filtering proxy I recommend their software, but not their sponsored links
Putty Free Telnet/Ssh client for Windows
Roaring Penguin PPPoE client for Linux
Seamonkey
SeaMonkey Add-ons
Ssh.com Secure shell
VNC UltraVNC
VNC TightVNC
VNC RealVNC
Wireshark (formerly Ethereal) Network sniffer for Unix and Windows
Xpra Xpra is an open-source multi-platform remote tool for forwarding applications and desktop screens