Leaflet Maps Marker allows you to pin, organize & show your favorite places through OpenStreetMap/WMTS, Google/KML, GeoJSON or Augmented-Reality browsers.
Speed Trap is a simple lightweight plugin to track all WordPress pages and load times, including the admin area.
WP Marketplace is a marketplace plugin with everything you need on a easy interface and competible with all themes, no modifications required.
WP Tabular will help you to generate html tables simply using a GUI.
Akismet filters out your comment and track-back spam for you, so you can focus on more important things.
Page Links To lets you make a WordPress page (or other content type) link to an external URL of your choosing, instead of its WordPress URL.
Tallyopia Analytics provides analytics that you can embed into your site using shortcodes or view in your admin dashboard.
WordPress Text Message allows people to subscribe to SMS text message updates of your web site via their cell phone.
WPtouch automatically transforms your WordPress blog into an iPhone application-style theme, complete with ajax loading articles and effects, when viewed from an iPhone, iPod touch, Android, Opera Mini, Palm Pre, Samsung touch and BlackBerry Storm/Torch mobile devices.