Sam Gamdschie

SPS-Suite is the successor of “SPS -Sidebar Page Switcher”. It enhances your page-list and your archive-list in the sidebar as well as your search function. This plugin is useful for blogs with many static subpages and the wish of a small sidebar. 
Please take a look at the screenshots or at the pages mentioned below for a better understandig of the plugin’s functions. 
The plugin includes a widget for your widget-ready sidebar and is now compatible up to WP 2.8. 
There are several options implemented in the plugin: 
1. You can have the sidebar-page-list be more smart, e.g. only pages of the top level and all useful level are displayed, additionally you can hide pages from being displayed in the sidebar. 
2. You can extend your search function with a fulltext index, this search uses articles and pages and is restricted to MySQL 4.0 or higher. 
3. Addionally to the sidebar function this plugins allows you to display a navigation bar, which can help your users to maneuver through many sub- and subsubpages. 
4. Last not least this plugin shortens your archive list to a maximum of month displaying also all years.
Feel free to look at <a href=”http://www.tolkiengesellschaft.de>http://www.tolkiengesellschaft.de or <a href="http://www.hobbingen.de" rel="nofollow ugc">http://www.hobbingen.de</a> (German only) for a detailed picture of the functions (both pages use the plugin intensively). 
(Also compatible to WP 1.5 to WP 2.0 with an old version of the plugin, see plugin homepage)
<h3>Arbitrary section</h3>
Please contact me if there any issues with this plugin.
Version History: 
1.4.0 Update for new admin panel and some minor bugfixes 
1.3.4 corrected issues with query replacements for static pages (introduced by 2.5/2.6) 
1.3.3 corrected issues with standard language (english) in admin pages 
1.3.2 corrected some issues with unknown pages 
1.3.1 added support for widgets 
1.3. initial release of the current stable trunk

SPS-Suite

Suite for enhancing your 'static' pages and archives. This plugin hides pages from the page list, displays a navigation row and more.

mindwiremedia

Creates anchor links to heading tags in the content and displays them automatically at the top of the content, or allows for custom placement with tags or sidebar widget.
Features: 
 1. Has option to auto display anchor links to Heading tags in content. 
 2. Allows control of which content to auto display links. 
 3. Can disable plugin css to allow custom styles to be applied. 
 4. Has widget available for display 
 5. Insert custom title to display above links 
 6. Clears all traces from any excerpts displayed

Auto Anchor List

Creates anchor links to heading tags in the content and displays automatically at the top of the content, or allows for custom placement with tags.

SPS-Suite vs Auto Anchor List