First-person stories from two early Slack insiders about building the company, product and business, including the redesign, the pandemic rollout and the Salesforce deal. Readers get behind-the-scenes accounts of product and leadership decisions.

Weekly practical guides on using AI tools, especially Claude Code, in product design work. Issues include step-by-step case studies and workflows such as making demo videos, prototyping in code, and running multiple agent sessions.

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.