KeywordTool.io - KeywordTool.io is the best FREE alternative to Google Keyword Planner and Ubersuggest. It uses Google's autocomplete feature to get over 750+ long-tail keywords for any given query.
Glimpse - Discover trends before they're trending
Google Trends - Explore Google trending search topics with Google Trends.
Widgetsmith - Widgetsmith is a screen personalization application that comes with multiple customization options that makes your screen have a vibrant look.
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition
Pixel Widgets - Pixel Widgets is a feature-rich application that makes it easy for you to add custom retro widgets and select from pre-loaded widget design or create a custom one with more than 150 fonts and color themes at your disposal.