AndExplorer is a file manager for Android devices. It allows browsing files and folders stored on device and sdcard. It can sort by name, size and date. Copy/Paste, rename, delete, create folder, send files as email attachment features are available. It is able to uncompress ZIP, GZIP and TAR files too. It can be called from another application through Intent facilities (open file/folder, uncompress).

APKoptic is an application manager that enables you to launch or uninstall applications. You can also create a backup of the application on SD card as well as restore or install the APK from SD card.

MemoryUp Personal is the lite edition of MemoryUp Pro. This handy Free RAM Booster takes a one-click approach. It makes more free memory available for your mobile system, accelerates memory responsiveness, and keeps your smartphone running fast and smoothly. All by one simple click. At the mean time, MemoryUp Personal is also a free smartphone software and one of the best free Android applications on SlideME, AndAppStore, Handango, MobiHand, and CNET Download.

A file manager with all the standard features as well as a few bonus ones.

CM Updater v5.0.1 (550 KB)
cyanogen-updater
http://www.cyanogenmod.com
http://code.google.com/p/cyanogen-updater/
by: Steve Kondik

Fast App Installer ,
Easy way to install external android application on your phone, search sdcard's specified folders and install any app you need.