Question: I need a solution that provides a library of prompts and templates for content creation, marketing, and software engineering tasks.

Spell has a large library of curated prompts and templates. It's designed to help you with content creation, business planning and other tasks by using autonomous AI agents powered by GPT4. With more than 360 plugins to extend its abilities, Spell has a chat interface that's easy to use to interact with and share prompts or agents. It offers several pricing plans and a 7-day free trial, so you can find a version that suits your needs and budget.

PromptBase is an AI prompt marketplace with a large library of more than 130,000 templates from vetted creators. It supports a variety of AI models like Midjourney and ChatGPT, so you can browse and use prewritten templates to get content creation underway more quickly. You can also sell your own prompts, so it's a good option for personal and professional use.

Narrato is an all-purpose content creation platform geared for content marketers, writers and teams. It includes 100+ AI tools and templates for creating high-performing content, automating social media and blog content generation, and streamlining content workflows. Narrato promises to cut content creation time and cost by a factor of 10.

Promtify is a ChatGPT template builder with an unlimited supply of default and community-created templates. You can create, share and sell your own templates, too, so it's a good option for individuals and businesses looking to boost their content creation productivity. With its simple interface and several pricing plans, Promtify is a good way to get AI into your workflow.