Best for Beginners

Amazon Q Developer

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AWS-optimized AI code generator with security scanning and CLI completions

Amazon Q Developer (formerly CodeWhisperer) is AWS's AI-powered coding assistant optimized for Amazon Web Services development. Note: As of November 24, 2025, Q Developer CLI is being rebranded to 'Kiro CLI'. The service now features autonomous agents for multi-step tasks, advanced conversational AI for AWS resource management, and enhanced cost management capabilities. With project-wide context analysis, sophisticated code transformations (like Java 8 to Java 17 migration), AWS API optimization, security vulnerability scanning, and CLI completions, it's perfect for cloud developers working in the AWS ecosystem. Free for individuals with an AWS account.

Bolt.new

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Build and deploy full-stack applications in minutes with AI from StackBlitz

Bolt.new by StackBlitz is an open-source, AI-powered development environment that creates complete full-stack applications from natural language prompts. Built on StackBlitz's WebContainers technology, it runs a full-stack environment including Node.js servers and package managers directly in the browser. Can now handle projects 1,000 times larger than before. Bolt Cloud provides enterprise-grade backend infrastructure. Bolt can build and deploy production-ready apps in 8-10 minutes with full control over generated code, real-time preview, and instant deployment.

Codeium (Now Windsurf)

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Free AI code completion - Note: Rebranded to Windsurf in April 2025

**Note: Codeium has been rebranded to Windsurf (April 2025) and was subsequently acquired by Cognition AI (July 2025). See our Windsurf listing for the latest information.** Codeium was a free AI-powered code completion tool that offered unlimited completions for individual developers. Supporting 70+ programming languages and 40+ IDEs, it provided fast, accurate AI suggestions powered by in-house models. The product has evolved into Windsurf, which includes the Cascade agentic chat feature and support for frontier models like Claude Opus 4.5, Gemini 3 Pro, and GPT-5.1.

Amazon CodeWhisperer (Merged)

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AWS AI coding companion - Now Amazon Q Developer

Amazon CodeWhisperer has been fully merged into Amazon Q Developer as of April 30, 2024. It is no longer a standalone product. All features, including real-time code suggestions, security scanning, and reference tracking, are now available within the Amazon Q Developer experience. Please refer to the Amazon Q Developer entry for current information.

Cody

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Enterprise AI assistant with codebase-wide context and zero data retention

Cody by Sourcegraph is an enterprise-focused AI coding assistant that understands your entire codebase. With multi-repo context awareness, BYOK (Bring Your Own Key) support, and SOC 2 compliance, Cody is designed for large organizations with strict security requirements. It offers zero data retention and works across multiple repositories, making it ideal for enterprises managing complex, multi-project environments.

Continue

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Open-source, model-agnostic AI coding assistant with full customization

Continue is the leading open-source AI coding assistant that works with any LLM. Fully customizable and privacy-first, Continue allows developers to use their preferred AI models (OpenAI, Anthropic, local models, etc.) with custom prompts and configurations. It seamlessly integrates with VS Code and JetBrains IDEs, offering autocomplete, chat, and refactoring capabilities. Perfect for developers who want control over their AI tools, Continue supports self-hosting and can work entirely offline with local models.

Cursor

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The AI-first code editor built to make you extraordinarily productive

Cursor is an AI-powered code editor built on a fork of VS Code. It allows you to write, edit, and chat about your code with state-of-the-art AI models like GPT-4.1, Claude 3.5 Sonnet, and Gemini 2.5 Pro. Cursor integrates AI directly into the editor with features like Tab (autocomplete), Composer (multi-file editing), and Agent (autonomous tasks), enabling a flow state where you can build software faster than ever before.

GitHub Copilot

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Industry-leading AI code completion with 100M+ accepted suggestions daily

GitHub Copilot is the industry's most widely adopted AI coding assistant, developed by GitHub and Microsoft. With over 100 million suggestions accepted daily, Copilot provides intelligent code completion, chat-based assistance, and multi-model support including GPT-4.1, Claude 3.5 Sonnet, and Gemini 2.5 Pro. It integrates seamlessly with VS Code, Visual Studio, JetBrains IDEs, and Neovim, offering developers context-aware suggestions that learn from billions of lines of code. Copilot now offers a generous free tier with 2,000 completions per month, making it accessible to all developers.

Gemini Code Assist

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Enterprise-grade AI code assistance from Google Cloud

Gemini Code Assist (formerly Duet AI) is Google Cloud's enterprise-grade AI coding assistant. Powered by the Gemini 1.5 Pro and Gemini 2.5 models, it offers robust code completion, generation, and chat capabilities within popular IDEs. With a massive 1 million token context window for local codebase awareness and enterprise indemnification, it's designed for large-scale, secure software development.

Mintlify

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AI-powered documentation generator with contextual improvements and inline suggestions

Mintlify is an AI-powered documentation platform that automatically generates beautiful docs from your code. With contextual improvements, inline suggestions, and support for modern documentation sites, Mintlify makes it easy to create and maintain high-quality documentation. Perfect for open-source maintainers and teams who need professional docs without manual effort.

Phind

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The Developer's Answer Engine

A specialized AI-powered answer engine for developers that performs real-time web searches across curated sources to synthesize a single, comprehensive answer with citations.

Project IDX

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Google's AI-powered browser-based development environment with Gemini integration

Project IDX is Google's experimental AI-powered, browser-based development environment. With deep Gemini integration, cloud workspaces, and multi-platform development support, Project IDX enables full-stack development entirely in the browser. Currently in beta and free to use, it represents Google's vision for the future of cloud-based development.

Replit

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Cloud-based IDE with Ghostwriter AI and instant deployment for rapid development

Replit is a collaborative, browser-based IDE with powerful AI capabilities through Ghostwriter and Agent 3. Build, run, and deploy applications entirely in the browser with support for 50+ languages. Perfect for education, rapid prototyping, and collaborative coding, Replit offers instant deployment, real-time collaboration, and AI-powered code generation. No setup required - start coding immediately.

Stenography

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AI-powered automatic code documentation and explanation

Stenography is an AI tool designed to automate code documentation. It reads your code and generates plain English explanations, helping developers understand complex codebases quickly. With VS Code and Chrome extensions, it integrates seamlessly into your workflow, providing instant documentation and context for any code snippet.

Supermaven (Sunset)

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Ultra-fast AI code completion - Merged into Cursor

Supermaven was known for its 1 million token context window and lightning-fast speeds. As of November 2024, Supermaven has been acquired by Cursor and the product is being sunset. Existing users are provided free autocomplete inference for the time being, but the standalone product is no longer accepting new signups. Its technology is being integrated into the Cursor IDE.

Tabnine

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Privacy-first AI code assistant with personalized models and zero data retention

Tabnine is an AI code completion tool that prioritizes privacy and security. With support for 30+ languages and personalized team learning, Tabnine offers zero data retention and on-premise deployment options. It provides context-aware code suggestions while ensuring your code never leaves your environment. Perfect for enterprises and privacy-conscious developers, Tabnine combines powerful AI capabilities with strict security standards.

v0

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AI-powered React component generator by Vercel with Tailwind and shadcn/ui

v0 by Vercel is a generative UI system that creates beautiful React components from text prompts. Built on Next.js with Tailwind CSS and shadcn/ui, v0 generates production-ready, accessible components that follow modern web development best practices. Perfect for designers and developers who want to rapidly prototype interfaces or kickstart projects with high-quality components. v0 understands design systems and creates consistent, customizable code you can export and use immediately.

Windsurf

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Enterprise AI IDE with proprietary SWE-1.5 model for deep codebase understanding

Windsurf is an AI IDE originally created by Exafunction as the evolution of Codeium (rebranded April 2025) and acquired by Cognition AI (creators of Devin) in July 2025. Features the Cascade agentic chat for conversational coding and a context-awareness engine that indexes your codebase for personalized suggestions. It offers AI Codemaps for visual codebase navigation, Fast Context for rapid understanding of large projects. Now supports frontier models including Claude Opus 4.5, Gemini 3 Pro, and GPT-5.1 (added November 2025). Designed for professional teams working with complex, multi-file codebases.