UserBit helps to understand user needs, manage interview notes, synthesize data, create personas, visual sitemaps and more.
UserTesters connect startups with suitable test candidates to test apps and websites for a little bit of cash.
They have all kinds of diagramms and charts ready to customize or you just start creating your own from scratch for free.
Super simple tool to create wireframes, flowcharts, sticky notes and mindmaps and then collaborate on them.
Most comprehensive but also expensive high fidelity wireframe and prototyping tool used by professionals.
Professional translation management solution built with the whole team in mind. Plus Sketch plugin for designers in particular.
Laws of UX
Laws of UX is a collection of the maxims and principles that designers can consider when building user interfaces.
UI/UX planning suite to wireframe user interfaces, create user flows, document styles and approve designs.