7 selected resources · 2026-10-08
Inspect a decision or experience with an explicit standard.
Identify what the method can establish and what requires direct research.
Turn a business assumption into a question, evidence plan and decision rule.
Use when: You need a structured decision rather than a universal marketing formula.
Inspect interface problems against established usability principles before testing with users.
Use when: You need a structured decision rather than a universal marketing formula.
Compare how users attempt equivalent tasks across products.
Use when: You need a structured decision rather than a universal marketing formula.
A selected library for SaaS, AI and developer-tool founders. Source-backed observations are separate from our advice; inclusion is not a ranking or a tested performance claim.