Draftium

Accorind to the vendor, Draftium has 350+ ready-made blocks and 300+ prototype templates that allows you to visualize a website idea within 15-30 minutes. It is a free online turbo prototyping tool for website ideation and collaboration. It helps web-designers or studios, marketers, and account managers to make everyday easy.

Prototyping in Draftium is based on blocks. You can remove or add them with checkboxes. So you do not have to add elements one-by-one, they already exist.

Once the project is done, You can share the link with team members or clients to collect feedback right on the prototype. All the edits will be displayed online.