Lean UX
by Jeff Gothelf, Josh Seiden · Jeff Gothelf, Josh Seiden
Applies Lean Startup thinking to product design: framing assumptions as testable hypotheses, building the smallest artifact that answers them, and running continuous discovery. Shows designers how to work inside cross-functional Agile teams rather than shipping documentation.
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More resources on Prototyping
prototypr.io
Prototypr.io is a design-focused publication centered on prototyping and product design. It offers tutorials, articles, case studies, and resources on UI/UX, prototyping tools, and downloadable assets like UI kits.
Sprint: How to Solve Big Problems
Google Ventures partners lay out a five-day process for turning a business problem into a tested prototype. Readers finish able to run each day's exercises, from mapping and sketching through building a facade and interviewing customers.
Prototyping for Designers
O'Reilly guide to prototyping physical and digital products, covering paper sketches, digital mockups, and coded prototypes. Explains how to choose fidelity, plan user tests, and interpret results so a prototype answers a specific design question.
UX Collective
Independent online publication, founded by Fabricio Teixeira and Caio Braga, publishing practitioner essays on UX research, interaction and interface design, design systems, accessibility and design careers. Its weekly newsletter curates industry writing, helping designers keep current with practice and critique.