PromptPanda is a full-fledged prompt management system with a centralized repository to store and organize prompts. It includes tools to test prompts, compare prompts and a powerful tag manager. The system can accommodate up to 10 people on its free plan, which makes it a good option for small teams. The Pro plan adds unlimited users and other features so your team can fine tune and reuse prompts.
Another good option is PromptDrive. It's also a full prompt management system with chat AI collaboration, organization tools and variables to make prompts easier. PromptDrive has a range of pricing options, including a free plan, so it's good for individuals and teams. Its Chrome extension lets you easily access prompts in supported AI tools like ChatGPT and Claude.
If you want a big library of vetted prompts, check out AIPRM. The tool gives you access to more than 70,000 private prompts and more than 4,500 public ones, all carefully prepared by an AI enthusiast community. AIPRM has features like private prompts, custom tone and writing styles and prompt variables that can help you maintain a consistent voice across your content.