Best alternatives to GitHub Copilot

Amazon CodeWhisperer

#1

Amazon's AI code companion for secure, cloud-aware code generation

Amazon CodeWhisperer is an AI coding assistant from AWS that generates real-time code suggestions and completions directly in popular IDEs including VS Code, JetBrains, and AWS Cloud9. It is trained on Amazon's internal codebase and public code, with built-in security scanning to flag vulnerabilities. Best for developers building on AWS who want code suggestions tuned to AWS APIs and best practices.

Continue

#2

Open-source AI code assistant that plugs into your IDE

Continue is an open-source AI coding assistant that integrates directly into VS Code and JetBrains IDEs. It supports any LLM provider. OpenAI, Anthropic, local models, for inline completions, chat, and refactoring. Developers get full control over model choice and context, making it ideal for teams wanting flexible, self-hostable AI coding workflows.

Cursor

#3

AI-first code editor built on VS Code with deep model integration

Cursor is a fork of VS Code that embeds powerful AI features including multi-file editing, codebase-wide chat, and an AI agent that can autonomously complete tasks. It supports GPT-4 and Claude models, autocomplete, and inline diff review. Popular among professional developers who want AI assistance tightly integrated into a familiar editor.

Ghostwriter

#4

Replit's AI coding assistant for in-browser development and debugging

Ghostwriter is Replit's built-in AI coding assistant that provides code completion, explanation, debugging, and generation directly inside the Replit IDE. It understands the full project context and can refactor code or answer questions about the codebase in real time. Ideal for students, hobbyists, and developers building and learning directly in Replit's cloud environment.

Kilo Code

#5

Open-source AI coding agent for VS Code with deep codebase context

Kilo Code is an open-source AI coding agent extension for VS Code that provides code generation, refactoring, and multi-file editing with full project context awareness. It supports multiple LLM backends and lets developers bring their own API keys for full control. Aimed at developers who want a powerful, customizable AI coding assistant without vendor lock-in.

tabnine

#6

Privacy-first AI code completion that runs locally or in the cloud

Tabnine is an AI code completion tool that provides whole-line and full-function suggestions across all major languages and IDEs. It can run fully on-premise or locally to keep proprietary code private, making it a popular choice for enterprises with strict data governance requirements. Supports VS Code, JetBrains, Vim, and more with team-specific model personalization.

Windsurf

#7

Agentic AI IDE that codes alongside you in real time

Windsurf (by Codeium) is an AI-native IDE built around an agentic assistant called Cascade that can plan, write, and execute multi-step coding tasks. It features deep codebase awareness, in-editor chat, and autonomous file editing. Designed for professional developers who want an AI partner that acts, not just suggests.