Hey ! Here is my list of favorite tools and resources !
Ahrefs : probably the best one for indentifying and following your backlinks.
Semrush : the perfect tool for a full SEO audit
Yoast SEO : this one is a little free wordpress plugin that shows you how to improve your pages and articles for SEO.
Aweber : this is my favorite emailing tool. Easy, affordable, and thought for online marketers.
ActiveCampaign : another very good software coming with so much options. Perfect if your are running a real business.
GetResponse : a very good alternative to Aweber and Active Campaign.
Funnelytics : it’s a free tool allowing you to realize a mapping of your funnel. If you are building funnels for your customers, it can be very helpful.