First-person stories from two early Slack team members about building the company, product and business, including the IPO era, the 2020 redesign and the Salesforce deal. Readers get an insider's view of product decisions and company dynamics.

A practical newsletter by a design educator on using AI coding tools like Claude Code for design work, including making demo videos, prototyping in code, and managing parallel agent sessions. Readers get step-by-step workflows, case studies, and course or workshop announcements.

A Substack from the founder of Sublime combining curated ideas with reflections on building human-centered products. Recent issues include notes on the limits of proxy metrics and a weekly interview series, Humanmaxxing, with tech writers on thriving in the age of AI.

Builtplain publishes source-checked founder-oriented essays on hardware, product design and customer experience, using specific product examples such as development boards, pocket synthesizers and refill soap. Each issue unpacks a practical trade-off a founder faces and cites official pages and dated reporting while noting the limits of those sources.