Guides
AI Engineering Guides
Practical, no-fluff guides for people building with AI: roadmaps, project ideas, build plans, and the fundamentals worth knowing. Free, kept current, and written from real production work.
AI Engineer Roadmap 2026
Seven phases from Python to deployment, with a free course and a project to build for each. The path I'd give anyone starting AI engineering in 2026.
24 AI Project Ideas to Build in 2026
24 portfolio-ready builds across RAG, agents, MCP and production, each with a mini-PRD: goal, features, free stack, and step-by-step build plan.
9 Open-Source AI Tools That Replace Paid Subscriptions
Cursor, ChatGPT Plus, Midjourney, Perplexity, Grammarly and more, replaced by nine open-source tools, ~$158/month saved, with install steps and a free model for each.
Classic NLP Techniques: When You Don't Need an LLM
23 classic NLP techniques explained with diagrams and runnable Python: TF-IDF, BM25, embeddings, hybrid search, and a decision ladder for when an LLM is overkill.