AI Developer Stack 2026

The essential tools, libraries, and platforms for building the next generation of intelligent applications.

Intelligent IDEs

Cursor

Editor

The AI-first code editor. Built to code with you, offering predictive code generation and codebase chat.

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VS Code + Copilot

Editor

The industry standard. Enhanced with GitHub Copilot Workspace for task-based development.

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Windsurf

Editor

A new contender focusing on flow state and deeply integrated agentic coding capabilities.

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Frameworks & Libraries

LangChain

Orchestration

The glue for LLM apps. Chains, agents, and memory management for complex workflows.

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Vercel AI SDK

Frontend

Build AI-powered user interfaces in Next.js with streaming, RSC support, and provider agnosticism.

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LlamaIndex

Data

The data framework for LLMs. Ingest, index, and query your data for RAG applications.

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