head to head/Developer Tools

JS Visualizer vs QueryDeck

Neck and neck on boosts. Profiles, pricing and deals below.

JS Visualizer

JavaScript Event Loop, Call Stack & Memory Tutorial

community boosts

⚡ 0

pricing

Freemium

what it is

Free interactive JavaScript visualizer. Step through code line-by-line and watch the call stack, Web APIs, microtask queue, event loop, and memory graph come to life. Master async/await, Promises, closures, and the JS runtime.

QueryDeck

Postgres + MongoDB client for Mac that reads Drizzle and Prisma

community boosts

⚡ 0

pricing

Freemium

what it is

Native macOS database client. Auto-detects Drizzle, Prisma, TypeORM, and Knex. Built-in Postgres MCP server for Claude Code and Cursor. Schema drift detection. PostgreSQL, MySQL, SQLite, MongoDB. $79 once.