Design Principles - An open source repository of design principles and methods
Hull - The engagement layer for the internet. Hull is a platform that offers identity management, user engagement, segmentation and targeted messaging for your app.
Facebook Design Resources - A collection of free resources made by designers at Facebook
SAP Crystal Reports - SAP Crystal Reports offers easy-to-use BI and reporting tool to design and deliver meaningful business reports.
Facebook - Connect with friends, family and other people you know. Share photos and videos, send messages and get updates.
Bot Analytics - Bot Analytics is a conversational analytics tool that helps chatbot owners to improve human-to-bot communication. Identify bottlenecks, filter conversations, and understand engagement.