Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keystrokes.
Mosh is a replacement for SSH. It's more robust and responsive, especially over Wi-Fi, cellular, and long-distance links.
Mosh is free software, available for GNU/Linux, FreeBSD, and Mac OS X.
Swiss File Knife - the open source file tree processor
is a free multi function command line tool that belongs onto every usb stick. download from sourceforge. this package contains binaries, source and buildscripts for windows and linux. You may also download just the windows executable sfk.exe or the linux binary for Ubuntu or DSL. No installation, no registry entries, no DLL's - one exe handles all.