SimilarWeb - SimilarWeb.com is a website analysis tool that gives you analytics information for any website.
Simply Measured - Simply Measured helps data hungry marketing & PR folks measure social media and create beautiful, custom reports in Excel and other formats.
Site Rank Data - View historical rank information of websites via time series charts.
Vaizle - Vaizle is a marketing analytics suite that brings all your ads & social media data into one actionable dashboard. Try Vaizle's free tools for social media, ads, and competitive analysis, alongside Google Sheets and MS Excel connectors.
Website Informer - Website.informer: complete data lookup & free aggregated report on any domain including whois, visitors, IP & DNS details, competitors, owners, etc
Frrole Scout - A complete social intelligence tool that incorporates Social Listening, Audience & Influencer Intelligence in a simple, elegant UI.