Tool Use Cases ranks AI tools by the specific job you need done rather than dumping a giant alphabetical list. Across 30 builder and vibe-coding use cases — including full-stack vibe coding, autonomous coding agents, fixing broken AI code, UI generation, game prototyping, and local LLM runners — each guide names the top pick, runner-up, and free option, plus a one-line verdict on when NOT to use a tool. Free, fast static site with zero affiliate links.