FlowMapp - FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
Artboard Studio - Online graphic design app mainly focused on product mockups.
A1 Sitemap Generator - A1 Sitemap Generator has been in active development and sold since 2005.
Vectr - Free vector graphics editor. A simple yet powerful web and desktop cross-platform tool for everyone.
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.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.