TopicMojo - Do topic and keyword research across all sorts of social media and websites. If you want search volume and other data, they also have a SEO Data Add-On that's currently $9/month, but will increase to $15 in 9 days. It's also on AppSumo for the same price, but TopicMojo gets a smaller cut from them, so supporting the little guys here. Here's a tutorial walkthrough video by Alston Antony, so you can get a idea of its usefulness.
Hide My WP Ghost - Looks like a combo alternative for Wordfence and WPS Login. For extra protection and enhanced security against attacks like SQL injection, brute-force, and more. The UI/UX looks user-friendly. From the Squirrly SEO team.
Visual Sitemaps - Ends in 3 days. Generate visual sitemaps with screenshots of any website. This is helpful when you're checking out your competition. Good tool to view their design, content and site structure, as well as to keep up to date with their page updates.
Nozzle - Ends in 10 days. Rank tracker that provides an incredible amount of data. I've been using it and there's a bit of a learning curve navigating through the data, but it's manageable if you like data.
Simplified - A combo Canva and AI Writer. If you're using an AI content generator for the copy in your graphic designs, this is an all-in-one solution. You won't need multiple solution
VectorGrove - Ends in 3 days. Over 2.1m vectors and graphics for only $29. Great deal if you like to create infographics and other graphic designs for your niche site. Also good to use for print-on-demand designs and selling those printed products.