Portable Abiword is the lightweight AbiWord word processor packaged as a portable app, so you can edit your documents on the go.

Portable AbiWord is a free word processing program similar to Microsoft Word. Portable AbiWord is suitable for a variety of word processing activities and has the ability to read and write a number of document types including Word Perfect, Microsoft Word, OpenOffice.org, RTF, HTML, Palm and more.

It includes both grammar and spelling checkers as well as an array of other handy features including mail merge capabilities. It also has a plugin system allowing you to add features with available add-on plugins