http://dl.google.com/android/android-sdk_r11-windows.zip

http://dl.google.com/android/installer_r11-windows.exe

http://dl.google.com/android/android-sdk_r11-mac_x86.zip

Linux(i386)

http://dl.google.com/android/android-sdk_r11-linux_x86.tgz

Android NDK r5b

Windows

http://dl.google.com/android/ndk/android-ndk-r5b-windows.zip

Mac OS X(intel)

http://dl.google.com/android/ndk/android-ndk-r5b-darwin-x86.tar.bz2

Linux

http://dl.google.com/android/ndk/android-ndk-r5b-linux-x86.tar.bz2

Android SDK 3.0

Windows

http://dl.google.com/android/installer_r10-windows.exe

http://dl.google.com/android/android-sdk_r10-windows.zip

Mac OS X(intel)

http://dl.google.com/android/android-sdk_r10-mac_x86.zip

Linux(i386)

http://dl.google.com/android/android-sdk_r10-linux_x86.tgz

Android SDK 2.3

Windows

http://dl.google.com/android/android-sdk_r08-windows.zip

http://dl.google.com/android/installer_r08-windows.exe

Linux (i386)

http://dl.google.com/android/android-sdk_r08-linux_86.tgz

MAC OS X (intel)

http://dl.google.com/android/android-sdk_r08-mac_86.zip

Android NDK r5

Windows

http://dl.google.com/android/ndk/android-ndk-r5-windows.zip

Mac OS X (intel) r5

http://dl.google.com/android/ndk/android-ndk-r5-darwin-x86.tar.bz2

Linux 32/64-bit (x86) r5

http://dl.google.com/android/ndk/android-ndk-r5-linux-x86.tar.bz2