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.
Watchtower - "Watchtower monitors your competition's websites and alerts you to important changes instantly."
Google Trends - Explore Google trending search topics with Google Trends.
Sword Achiever - AchieverPlus compliance software solutions are modular and flexible management systems designed specifically to address the needs of businesses aiming for regulations compliance and business improvement.
Keywords Everywhere - Free browser add-on for keyword volume, CPC & competition
Alyne - Alyne is a SaaS software that enable organisations of all industries and sizes mature their cyber security, risk management and compliance capabilities and cost effectively measure maturity in extended enterprise.