Build faster with AI
Tutorials, apps, CLI tools, and real code for developers working with AI agents. No toy demos. No filler.
Everything in one place
One developer. One ecosystem.
24 Apps
Deployed across subdomains. Each one a live case study for the content.
View →300+ Video Tutorials
Real code walkthroughs. AI tools, agents, full-stack patterns.
View →Agent SDK Course
Build production multi-agent systems with handoffs and guardrails.
View →Claude Code Mastery
Zero to expert with Anthropic's agentic coding CLI. 14 lessons.
View →The Blog
46+ posts. Honest field notes from building AI products in public.
View →Apps directory
See all 24+Live. Deployed. Yours to use.
AI Model Directory
210+ modelsCompare 210+ AI models on speed, cost, and intelligence.
Open ↗Overnight Agents
AI agentsSpec out agents, run them overnight, wake up to a verified repo.
Open ↗CLI Tools Directory
50+ tools50+ command-line tools for AI-first development.
Open ↗DD Canvas
App builderDescribe what you want and get a working app in minutes.
Open ↗Fit
PopularLog workouts and habits in plain English.
Open ↗Dev Toolkit
21 tools21 utilities: JSON, regex, diff, base64, cron, JWT, and more.
View →Video tutorials
300+ tutorialsSee how it is built
From the blog
All postsWhat we are thinking about
Get startedThe developer signal.
The developer signal.
One email a week.
Deep dives into AI tools, working repos, and honest notes from building 24 apps in public. No filler.