Hybrid

Hybrid is a free, open-source theme framework.

newsScape

newsScape is the xScape based theme that is made for news or general blog websites. But, due to amount of features you can set, this theme can be made to be used for many different things.

newsScape is released with 12 base color styles. One color is changed with each style, and that one color can be set through control panel to generate new style. Theme also can utilize font settings for the theme including font family and font sizes. For front page you can use 2 different layouts: news and standard (archive like). For single post and page layouts there are also 2 layouts available, one of them showing the meta block on the left side of the post and that can be useful if you have many things to show there.

Standard Theme

The Standard Theme is in no way basic or ordinary. It is a theme that tries to set an industry standard for content-centric sites and blogs by claiming to be the best-coded WordPress theme ever. This theme is SEO-optimized and has a quick load time, and with plenty of space for ad zones and has Google Analytics integrated into it.

Paper

Using an array of semi-neutral colors, this theme exhibits rich manila and art paper textures with details you could reach out and touch. It has a rich, distinguished approach displaying ripe berry accent colors and a smooth finish.

This theme is an ideal match for a wide range of website needs. It will go well with business or personal sites. It also lends itself to showing off treasured photographs, with its subtle but inviting presence. Paper is thick with widgets for all purposes and comes with two stylesheets dressed to kill, paying rapt attention to detail and aesthetics.

Siara

Clean type drive layout – support for Google Analytics, Custom Fonts and twitter feeds.

WPStartbox

StartBox is a great theme framework for WordPress. It comes with an incredibly easy-to-use, modular settings page. For users, this means a quick and painless setup for your website, for theme authors this means an incredible new level of control for your themes.

Suffusion

An elegant, versatile and browser-safe theme with a power-packed set of options. It has 19 widget areas, one-column, two-column and three-column fixed-width formats, 10 pre-defined templates, 17 pre-defined color schemes, two customizable multi-level drop-down menus, featured posts, a magazine layout, tabbed sidebars, widgets for Twitter, Social Networks and Google Translator, translations in many languages and RTL language support. WP 3.0 Menus, Custom Post Types and Custom Taxonomies are integrated. A BuddyPress support pack is available on the theme page.

Frugal

Frugal isn’t your typical WordPress Theme. It’s not just a cookie-cutter template to slap on the face of your site. Frugal is more of a design platform. It gives you the power and flexibility to create a site that’s uniquely yours. With over 600 custom options at your fingertips, what you can create using Frugal is only limited by imagination.

Iridium

RocketTheme’s Iridium is a WordPress 3.0 theme that has six style variations and a ton of widgets out of the box. It’s very graphic and great for sites that need more than a subtle look and feel.

TwentyTen

The all new default theme for WordPress. TwentyTen brings in new Menu’s, background and Image headers and other great new features.