WP Figlet allows you to draw ASCII art in your posts and page source.
Ascii Factory converts an image into ascii characters.
Aggressively sanitizes titles for clean, SEO friendly post slugs, and media filenames during upload.
Wraps text-based emoticons with <span> elements for easy styling. ex: <span class="smiley biggrin">:D</span>
figlet math challenge, captcha replacement, based on TryMath php class and phpFiglet