Mailing List Manager - Web-based, Self-Hosted, Feature-Rich
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
Simple, modern & fast web-based email client
Write email in Markdown and render them before sending
Simple, web-based address & phone book
Free and open source webmail software
Multiple account (or label) Gmail notifier (without storing passwords)
HTML5 Chart for Finance, support Mobile device