Whimsical Wireframes might be a bit more popular than PrimeNG. We know about 1 link to it since March 2021 and only 1 link to PrimeNG. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
At PrimeNG, we also offer various templates. By the way, Sakai is free and open source in case if you prefer a free one. Source: about 1 year ago
They do cost money unfortunately, but what you could do is use a tool like https://whimsical.com/wireframes to wireframe your website (free if you keep all files in your personal folder). Then use tailwindui or flowbite as a reference (or some other template library) while wireframing, skip the mockup stage, and then go straight into the coding phase? Source: 10 months ago
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.
UX Flow Wireframe Prototyping System - Create beautiful user flows prototypes for your next project
Ant Design - An enterprise-class UI design language and React implementation with a set of high-quality React components, one of best React UI library for enterprises
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Wireframe for Figma - Lightning fast wireframing on figma (500+ elements)