I am serching the net for any and all 64 bit apps! If you know of any please post!
Browsers
FireFox
64 bit benchmark
ScienceMark 2
System utilities
Process Explorer -- more details than taskmgr
Registry Monitor -- traces registry access
File Monitor -- traces file access
Superspeed RAM Disk
Vedit Pro 64 -- Editor / 1TB file should be fine ; trial version limited to 500MB files
Rainlendar -- a lightweight calendar application
Drive and Partition tools
WinImage -- A tool to generate Drive or Partition images
File Disk 64 --virtual disk and CDRom driver for Windows XP/2003 64 bits
Multimedia
VirtualDub -- Video recording and editing application
Design, CAD/CAM, Image Editing, Plotting
Povwin 3.6 -- Ray-Tracing Program
Panorama Factory -- Image manipulation & stitching
Overclocking / System tuning
ATItool -- Overclocking tool for Radeon based cards
ClockGen -- Allows dynamic overclocking of: CPU, RAM, AGP and PCI bus
Software development
Microsoft Debugging tools -- Debugging tools for X64 Windows ml64.exe is Macro Assembler
JAVA JDK 5.0 RC for Windows XP x64-Edition
JAVA JRE 5.0 RC for Windows XP x64-Edition
Network Tools
Putty -- a SSH/Telnet Client
Database
MySQL 4 for AMD64