Cerebras

Cerebras is the go-to platform for fast and effortless AI training. Learn more at cerebras.ai.

lowercase - an engineering-first design studio

lowercase is an engineering-first design studio. we build distinctive brands and impossible websites.

Postel: Best X (Twitter) Tool for creators and businesses

Best X (Twitter) tool for creators and businesses. Create engaging posts and repurpose content into X Content that grows your brand.

Useful patterns for building HTML tools

I’ve started using the term HTML tools to refer to HTML applications that I’ve been building which combine HTML, JavaScript, and CSS in a single file ...

How to Secure Environment Variables for LLMs, MCPs, and AI Tools Using 1Password or Doppler

Stop hardcoding API keys in MCP configs and AI tool settings. Learn how to use 1Password CLI or Doppler to inject secrets just-in-time for Claude, Cur...

Claude Code: Automatic Linting, Error Analysis, & Custom Commands

How to use Claude Code's error analysis slash-commands and create your own linting commands to automate repetitive CLI tasks.

Attempting to Design a Back-end with Cleaner Architecture Rules and Boundaries

How I'm learning to build with better software architecture design principles (while 'moving fast and breaking things').

Documatic

AI-powered documentation platform that automatically generates and maintains technical documentation from code.

Upstock

Equity management platform helping companies create and manage employee equity plans.

Polly

Polly is a modern employee feedback and engagement platform.

US Bitcoin

Regulated cryptocurrency mining and trading platform.

williamcallahan.com

Interactive personal site with beautiful terminal/code components & other dynamic content