Kwfinder Premium is one of the best tools for finding new long tail keywords with low competition. You can also check the search volume and keyword difficulty of each keyword very quickly. In addition to the AdWords keywords, you can find hidden keywords from Google autocomplete and questions. Moreover, you can filter search results by not only country but also by city or state to which the results should be targeted. The keyword searches for the last 12 months are also shown and all statistics are shown as was shown in Google keyword planner in the past. There is a SERP Checker tool where you can see details of each result in a keyword search with Majestic, Moz and social metrics of all the results.