de_DE
Replace Non-ASCII characters for installs, that set the german language as primary language.
Merki viðbótar: ascii
PRyC WP: Sanitize file name (when upload)
Plugin sanitize file name when upload files – remove space, ASCII characters, lowercase, etc…
WP Figlet
WP Figlet allows you to draw ASCII art in your posts and page source.
Stylish Smilies
Stylish Smilies adds CSS classes to text-based emoticons.
Asciify
This plugin creates text based images for uploaded attachments.