My cheat sheet summarising the C4 model has now been updated, and I've created another to summarise my thoughts on how to document software architecture. Click the images for the full-size (A3) PDF file.
I hope you find them useful!
Simon is an independent consultant specializing in software architecture, and the author of Software Architecture for Developers (a developer-friendly guide to software architecture, technical leadership and the balance with agility). He’s also the creator of the C4 software architecture model and the founder of Structurizr, which is a collection of open source and commercial tooling to help software teams visualise, document and explore their software architecture.