Based on our record, Platforma seems to be more popular. It has been mentiond 1 time since March 2021. 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.
There are some decent starters in the community (including some really great OS-native resources), but another option is purchase something like Platforma if you're looking to make interactive wireframes - https://platforma.ws/. Source: over 2 years ago
PowerMapper - Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily.
Source Wireframe Kit - Library of 537 blocks for desktop and mobile prototyping
Octopus.do - Build your website structure in real-time and rapidly share it to collaborate with your team or clients. Start prototyping websites or apps instantly.
Contra Wireframe Kit - Open source wireframe kit for design and prototyping 🚀
VisualSitemaps - Autogenerate visual sitemaps in seconds.
Invision - Prototyping and collaboration for design teams