freeboard - An open source real-time dashboard builder for IOT and other web mashups.
Really Good Emails - A large collection of good product email design.
AppInsights - Gain insights and make informed decisions by letting you consolidate, visualize, and share your...
Good Sales Emails - Best sales emails from great companies
Geckoboard - Get to know Geckoboard: Instant access to your most important metrics displayed on a real-time dashboard.
Great Email Copy - A dose of emails from around the web.