Writing Software

Zoho
Free Online storage, word processor and wiki.

PBwiki
Free PBwiki lets you quickly set up your own free, hosted, password-protected wiki to edit and share information. It's as easy as a peanut butter sandwich.

Google Docs
Free Free web-based word processor and spreadsheet, which allow you share and collaborate online. Open Office - Free Alternative to Microsoft Office.

Microsoft Office Live  
*Free* Online version of MS Office.

AbiWord 
*Free* AbiWord is a free word processing program similar to Microsoft® Word. It is suitable for a wide variety of word processing tasks.

PlotCraft
*Free* PlotCraft is simply a database for tracking all the ideas you might have. You have complete freedom as to how you categorize your ideas and there are several categorization options for you to easily find any idea at any given time.

Rough Draft
*Free* RoughDraft is a freeware word processor for Windows 95, 98, ME, NT, 2000 and XP. Although suitable for general use, it has features specifically designed for creative writing: novels, short stories, articles, plays and screenplays.

Write Sparks
*Lite-Free* WriteSparks!™ can generate over a months worth of writing ideas in the free version. Has built in wordpad to record your writing.

Write This
*Free* This is the home of WriteThis, a small free utility for writers. The tool generates writing exercises, based on a set of keywords and criteria. It can generate characters, locations, items and special rules, and you – the writer – have a specified number of minutes to combine these things into a story.

YWriter5
*Free* Word processor which breaks your novel into chapters and scenes. It will not write your novel for you, suggest plot ideas or perform creative tasks of any kind. It does help you keep track of your work, leaving your mind free to create.

EtherPad
Realtime web-based word pad for collaberation with multiple people.

Write or Die by Dr Wicked
Write or Die is a web application that encourages writing by punishing the tendency to avoid writing.

StoryToolz
StoryToolz is dedicated to providing high-quality web-tools for authors. Whether you're tracking your word counts or checking the readability of your prose for readability, you'll find the tool here to use.