keywordtool.io
keywordtool.io is an alternative to Google Keyword planner and Ubersuggest. It provides keyword suggestions based on the Google keyword suggestion functionality found when beginning a search with the Google search engine.
whatsmydns.net
Whatsmydns.net is an online tool that allows you to perform a DNS lookup for A, CNAME, AAAA, MX, NS, PTR, SOA, and TEXT records against multiple random name servers around the world. This is a great tool for checking on recent changes of the previously mentioned records.
Search Engine Submissions
Submit to the top 3 search engines.
Note: Yahoo search results are now powered by Microsoft owned Bing