A43 File Management Utility is an interesting alternative to Windows Explorer. It has an integrated text editor with unlimited size and also features dynamic highlighting for the web.
It also features:
Integrated zip/unzip features. Simply drag-n-drop files or click a button. You can also turn your zip archives into self-extracting archives the same way.
Integrated file search to quickly locate and jump to those lost files.
Integrated quick launch area for fast access to the programs you use the most.
Favorite buttons to quickly open those often used folders.
Dual-pane view for those that demand speed in file management.
It also requires no installation, no data is written to the system registry. A43's configuration information is saved in a local .ini file. so you can keep it on your pen/jump drive and take it wherever you go.