If you're looking for a PromptVibes alternative, AIPRM is definitely worth a look. It's got more than 4,500 public and 70,000 private prompts, all vetted and curated by an active community of AI fans. The tool lets you create, manage and reuse prompts so you can generate content and maintain a consistent brand voice.
Another good option is OctiAI, which is geared to help you get more out of AI models like ChatGPT and Mid Journey. It supports more than 15 of the biggest AI models, and has an "Optimize" tool to fine-tune prompts. It's particularly useful for businesses and professionals trying to save money and work more efficiently by optimizing their use of AI tools.
If you want a more complete prompt management and creation service, check out GeneratedBy. The service has a prompt editor, optimization tools and support for multimodal content. It also has integrations with Large Language Models and API tools for deeper integration, so it's good for digital workers and prompt engineers.
Last, PromptBase has a library of more than 130,000 vetted prompts from professional creators. It's a marketplace where you can browse and use prewritten templates, and you can even sell your own prompts to make money. It's a good way to get what you need and to monetize your own AI-generated content.