Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Meeting Scheduler By SalesBlink - The meeting scheduler syncs with your Google calendar and gives you a holistic view of how your day/week/month looks like.
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Planist - Schedule meetings in an easy way Planist can connect with your google calendar to automatically check availability and help you connect with your best contacts, prospects, and clients.
Mailpile - Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Caddie - Caddie provides designers with all the tools they need to sketch, design, detail and visualise...