Posteo - Web- and IMAP-based email service. 2GB cost 1€/month.
highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.
Inbox.lv - Inbox.lv Mail
Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.
Webmail.ca.za - Free email, file storage, sms and more.
Bootstrap Table - Bootstrap Table has been designed to reduce development time and to require no specific knowledge from developers.