chipsandtv

This widget lets you display your latest tweets on your blog. Various configuration options are available.
Features:
<ul>
<li>No need to enter your Twitter password</li>
<li>No Javascript</li>
<li>Simple but reliable caching, so your website won’t slow down</li>
<li>Various options such as clickable URLs and usernames, date format etc.</li>
<li>Supports multiple instances at the same time</li>
<li>Fully compatible with widget-ready themes</li>
</ul>

Simple Twitter Widget

A simple but powerful widget to display updates from a Twitter feed. Configurable and reliable.

Simivar

Adds a sidebar widget to display Twitter updates (using the Javascript). You can set number of messages, color and other features.
You can change colors of shell background and shell text; tweet background, tweet text and tweet link. You can set on/off a features like scrollbar, show hashtags, poll for new results, show timestamps/avatars and the behavior.

Advanced Twitter Profile Widget

Adds a sidebar widget to display Twitter updates (using the Javascript). You can set number of messages, color and other features.

Simple Twitter Widget vs Advanced Twitter Profile Widget