Open Source VS Code Extensions
VS Code extensions add capabilities to a code editor, adapting it to different languages, workflows, and development environments. They can provide syntax support, debugging, code navigation, formatting, testing, or integrations with external tools. By filling gaps in the editor, extensions help developers work more efficiently without requiring a separate application for every task.
Open source options include language tools, mobile development integrations, AI coding assistants, and utilities for managing prompts or automating repetitive work. When choosing an extension, consider its license, maintenance activity, compatibility with your editor and existing tools, and any runtime or account requirements. These extensions are useful for individual developers, teams, and contributors who want to tailor an editor, inspect its implementation, or adapt it to their workflow.
3 repositories · updated January 25, 2026
POML: Structured Prompt Engineering for LLMs with a Markup Language
POML (Prompt Orchestration Markup Language) is a novel markup language developed by Microsoft for advanced prompt engineering. It brings structure, maintainability, and versatility to LLM applications by addressing common challenges like unstructured prompts and complex data integration. Developers can systematically organize prompt components, integrate diverse data types, and manage presentation variations for more sophisticated and reliable LLM interactions.
Radon IDE: A Full-Featured Extension for React Native and Expo Development
Radon IDE is a powerful extension for VSCode and Cursor, designed to transform your code editor into a comprehensive IDE for React Native and Expo app development. It streamlines the development process by integrating essential tools such as an element inspector, debugger, and logging console directly into your workflow. This extension aims to enhance productivity for mobile developers.
Kilo Code: Open Source AI Coding Assistant for VS Code
Kilo Code is an open-source AI coding assistant designed for VS Code, helping developers plan, build, and fix code efficiently. It integrates the latest AI models like Gemini, Claude, and GPT, offering features such as code generation, task automation, and automated refactoring. This powerful extension aims to streamline the development workflow by adapting to your coding style.