If you'd like a high-color icon and transparency, PuTTY Portable is designed to work with PuTTY Tray, too. Just replace putty.exe in the PuTTYPortable\App\putty directory with the PuTTY Tray executable.
WinMerge is an Open Source visual text file differencing and merging tool for Win32 platforms. It is highly useful for determing what has changed between project versions, and then merging changes between versions. It features visual differencing and merging of text files, a flexible editor with syntax highlighting, line numbers and word-wrap and handles DOS, UNIX and MAC text file formats.
WinSCP Portable is a free SFTP, FTP and SCP client for Windows with lots of great features: * PuTTY Portable integration * Graphical user interface * Translated into several languages * All common operations with files * Support for SFTP and SCP protocols over SSH-1 and SSH-2 and plain old FTP protocol * Directory synchronization in several semi or fully automatic ways * Integrated text editor * Support for SSH password, keyboard-interactive, public key and Kerberos (GSS) authentication * Windows Explorer-like and Norton Commander-like interfaces
The GIMP (GNU Image Manipulation Program) is a freely distributed program for such tasks as photo retouching, image composition and image authoring. It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.
OpenOffice.org Portable is a complete office suite -- including a word processor, spreadsheet, presentation tool, drawing package and database -- packaged as a portable app, so you can take all your documents and everything you need to work with them wherever you go. OpenOffice.org Portable is a full-featured office suite that's compatible with Microsoft Office, Word Perfect, Lotus and other office applications. It's easy-to-use and feature-rich, performing nearly all of the functions you'd expect in an office suite, but at no cost.
Portable software that can be used from USB drives, cloud services, etc. The launcher and most apps are FLOSS, but a few freeware apps are included in the directory.