RDP client download links

Windows - Thinstuff TSX RDP 7 client
http://www.thinstuff.com/releases/ThinstuffTsxRemoteApp-latest.exe

Apple iPhone OS (iOS) - Thinstuff iRdesktop RDP client
http://itunes.apple.com/app/irdesktop/id311467740?mt=8

Windows - Microsoft RDP 7 clients
Windows XP x86(32Bit):
http://www.microsoft.com/downloads/en/details.aspx?displaylang=en&FamilyID=72158b4e-b527-45e4-af24-d02938a95683
Windows Vista x86(32Bit):
http://www.microsoft.com/downloads/en/details.aspx?FamilyId=ac7e58f3-2fd4-4fec-abfd-8002d34476f4&displaylang=en
Windows Vista x64(64Bit):
http://www.microsoft.com/downloads/en/details.aspx?FamilyId=11e7a081-22a8-4da7-a6c5-cdc1ac51a1a4&displaylang=en

Max OS X - Microsoft RDP client
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=68346e0d-44d3-4065-99bb-b664b27ee1f0

Mac OS X - Cord RDP client (based on rdesktop)
http://cord.sourceforge.net/

Linux commandline - RDP clients
FreeRDP: http://www.freerdp.com/
rdesktop: http://www.rdesktop.org/

Linux packages – RDP client packages for the major distros
Ubuntu: http://packages.ubuntu.com/maverick/freerdp-x11
Open SuSe: https://build.opensuse.org/package/show?package=freerdp&project=X11:xfce:nilda
Fedora and Mandriva: http://rpmfind.net/linux/rpm2html/search.php?query=freerdp&submit=Search+...&system=&arch=
Debian: http://packages.debian.org/unstable/main/freerdp-x11
Gentoo: http://gpo.zugaina.org/net-misc/freerdp
FreeBSD: http://portsmon.freebsd.org/portoverview.py?category=net&portname=freerdp

Linux GTK2+/Gnome GUI - RDP client frontends
FreeRDP: http://remmina.sourceforge.net/
rdesktop: http://tsclient.sourceforge.net/

Linux Qt/KDE GUI - RDP client frontends
rdesktop: http://krdesktop.sourceforge.net/

Android – RDP clients
http://www.xtralogic.com/rdpclient.shtml