If you want a broad suite of tools with a variety of pricing options, once.tools is a good place to start. The site has more than 101 tools across 14 categories, including AI, collaboration, design, developer tools and more. You can use tools like Drawkit, Glyphs and SupaSaaS with lifetime licenses, one-time payments and subscriptions. The site is expanding, and you can submit your own tools for consideration.
If you want a broad suite of OpenAI GPT tools, check out Mojju. It's got tools for business, design, programming and finance, among other categories. Mojju's tools include a Zapier Personal Assistant, Stable Diffusion for generating images, and an SEO Website Expert. The tools are designed to be easy to use and customize, so even nontechnical people can use them.