UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Workflowy - A better way to organize your mind.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Dynalist - Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.