MyTalk - Build a community around your product
Artboard Studio - Online graphic design app mainly focused on product mockups.
Mightybell - Build a community and a business on mobile
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.
Memeni - Memeni is an online community engagement platform that helps brands and organizations launch their own branded mobile app & web community.
ProtoSketch - Powerful yet simple vector graphics editor and prototyping