21st.dev

Regex101

Regex101 is an online tool for building, testing, and debugging regular expressions with syntax highlighting, detailed explanations, and support for multiple programming languages including PHP, Python, JavaScript, Java, and more. Perfect for developers and learners.

Cursor AI

The AI Code Editor

Windsurf

Tomorrow's editor, today. Windsurf Editor is the first AI agent-powered IDE that keeps developers in the flow. Available today on Mac, Windows, and Linux.

豆包 MarsCode

基于豆包大模型，提供智能 AI IDE 和 AI 编程助手，带给你全新的编码体验。AI IDE 提供开箱即用的开发环境，AI 编程助手提供代码生成、代码解释、单测生成和问题修复等功能，支持上百种编程语言和主流开发环境。