AI Tool	Best For	Highlights
1. GitHub Copilot	Code autocompletion in IDEs	Context-aware suggestions, pair programmer feel
2. ChatGPT (with Code Interpreter)	Code explanation, generation, debugging	Handles natural language queries, multi-language
3. Amazon CodeWhisperer	Enterprise-level code suggestions	Security scanning, integrates with AWS
4. Tabnine	Lightweight AI code assistant	Privacy-first, supports multiple editors
5. CodiumAI	Unit test generation	Smart test suggestions from code logic
6. Cursor	AI-powered code editor with GPT-native flow	Chat + live code editing
7. Sourcegraph Cody	Large codebase navigation & refactoring	Chat with your code, understands architecture
8. Mutable AI	Refactoring & doc generation	AI-powered clean-up, especially for legacy code
9. Codeium	Real-time coding assistant	Free, fast, and supports 70+ languages
10. AskCodi	Autogenerating snippets, queries, configs	SQL, shell, Dockerfile generators

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📌 Honorable Mentions

• Replit Ghostwriter – Good for full-stack in-browser development
• Kite (now discontinued, but popular before Copilot)
• GPT-Engineer / Smol AI – Open-source AI agents for full codebases
• Sweep AI – AI pull request automation

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💼 Use Cases Covered

✅ Frontend & Backend Development
✅ Writing Tests
✅ DevOps (Docker, YAML, GitHub Actions)
✅ Refactoring & Optimization
✅ Learning New Frameworks
✅ Full App Scaffolding

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📊 Selection Guide

Tool	Best For	Works With
GitHub Copilot	VSCode, JetBrains	JS, TS, Python, Go, etc.
ChatGPT	Web-based	All languages (multi-turn)
CodiumAI	JetBrains, VSCode	Python, JS, Java, etc.
Cursor	Code + AI combined IDE	React, Python, Node.js
Sourcegraph	Large repo understanding	GitHub, GitLab integration