Developer guides

• Getting started with DevToolbox — Find a utility, compare options for the same job, and build and save a stack with usage-based cost estimates.
• Perplexity Comet Browser: Complete Guide — Master the first truly agentic AI browser. Learn how and when to use Comet for research, automation, and productivity.
• Windsurf / Devin Desktop: Setup, Pricing and a Tested Exercise — Windsurf is now Devin Desktop. Understand the rename, current plans, agent modes and rules, then verify a small change with nine reproducible tests.
• Cursor Guide: Setup, Rules, Pricing and a Tested Exercise — Set up Cursor, choose Plan or Agent, write useful project rules and verify a small code change with nine reproducible tests. Current pricing and official sources.