Alternative browsing, alternatives to accessing Wikipedia through your web browser (mobile devices, desktop integration, alternate portals, etc.)
User Scripts, a collection of JavaScript routines that add functionality to Wikipedia pages (e.g., regex search and replace, changing article formatting, and simplifying common tasks)
Wikirage—What's hot in Wikipedia—This site lists the pages in Wikipedia that are receiving the most edits per unique editor over various periods of time
Igor—A wikiproject management tool. Allows a user to view and change the importance and class of articles tagged as part of a particular project.
Cleeki – Cleeki is a Windows-based program for generic search purpose, but particularly optimized for Wikipedia. In Cleeki with one click you can grab keywords anywhere on your screen from virtually any applications and get multiple relevant Wikipedia results immediately.
Wikimedia-Search search the realtime index for every project with suggest function
www.qwika.com Qwika is a search engine designed specifically to search wikis. It aims to cover all sizeable wikis in all sizeable languages, translate them, make them easily findable in the shortest possible time.
Google Web Accelerator should not be used for Wikipedia (that is, it should be disabled for the wikipedia.org domain. For details, see Wikipedia:Google Web Accelerator.
Interiot's 'Wannabe Kate' Edit Counter – Only works for <45000 edits. Note this is different from Interiot's other edit counter on the Toolserver which is currently non-functional
Mike's tool Similar to Essjay's, but working. Currently only working for <5000 edits
Nubio is a repository for frequently asked questions. Also contains an edit counter, and a tracker of user registrations.
dbswithuser – user data with edit counts (including deleted edits) of a user name in all replicated wikis of the Toolserver
escaladix' tool lists articles created by a given user (as this is done by checking for the first edit of every article the given user has ever edited, it's quite slow.)
wikEd – a full-featured in-browser text editor for Wikipedia edit pages that can convert text and tables pasted from Microsoft Word with a button click
meta:Word_macros – Visual Basic macros to use within Microsoft Word to prepare content to be pasted into a Wikipedia page
OpenOffice 2.3 can open Word files and export to MediaWiki format.
Not English – tools that have not yet been translated completely into English. Some need their descriptions translated from German, others are not available in English. Help translate if you can!