Build Mode is PostHog's newsletter on building software products, especially AI features, with practical lessons from their own experience. Readers get concrete tactics on AI product strategy, multiplayer collaboration tools, and how engineering roles change as AI writes more code.

Different Shelf is an essay newsletter that follows plausible-sounding software and organisational ideas, such as monorepos, InnerSource and developer tooling, until their practical consequences emerge. Readers get detailed, first-person accounts of real engineering investigations alongside structured arguments about how companies coordinate software work.

A CTO-written newsletter on how agentic AI development is reshaping engineering management, org structure, and tooling, using first-person essays on allocation, visibility and workflow. Each issue offers original argument and concrete operational detail a reader in engineering leadership can apply.

Noted reviews self-hosted and open-source software for homelabs, with each issue walking through a specific tool, how it works, and how to deploy it. Readers get practical setup guidance, design trade-offs, and an honest look at the maintenance burden that comes with running your own services.