OllyDbg - OllyDbg is a 32-bit assembler level analysing debugger.
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.
X64dbg - X64dbg is a debugging software that can debug x64 and x32 applications.
Google Trends - Explore Google trending search topics with Google Trends.
SoftICE - SoftICE is a debugging software for windows and DOS that analyzes all your programs and repairs them.
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition