Kai's tool library
Curated, opinionated, tiered. S-tier is what I'd tell a friend to use. A-tier is worth your time. B-tier works but probably isn't the best option.
Coding · 8
Cursor
SVS Code fork that made AI coding actually work.
Free + $20/mo Pro + $40/mo Business
Claude Code
SAnthropic's CLI agent. Opus-powered, operates on your repo directly.
Part of Claude Pro/Max/Team plans
Windsurf
ACodeium's agentic IDE. Cascade agent + strong free tier.
Free + $15/mo Pro
GitHub Copilot
BMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
Free (limited) + $10/mo Pro + $19/mo Business
Aider
ATerminal-based AI pair programmer. Git-aware, model-flexible.
Free (open source) + whatever API you use
Cline
AOpen-source VS Code agent. Reads + writes + runs.
Free (open source) + your API costs
Bolt.new (StackBlitz)
APrompt to deployed full-stack app in the browser.
Free + $20-$200/mo
Replit Agent
AReplit's AI that builds + deploys full apps on their platform.
$10-$25/mo Core/Teams