Open Source Go Vibe Coding Tools

OpenCode is a terminal-based AI coding assistant designed to bring powerful AI models directly into your development workflow. Built in Go, it offers a smooth TUI (Terminal User Interface) experience powered by Bubble Tea, enabling seamless interaction without leaving the command line. It supports multiple AI providers, including OpenAI, Anthropic Claude, Google Gemini, AWS Bedrock, Groq, Azure OpenAI, and GitHub Copilot. Developers can use it for intelligent code completion, debugging, file editing, and session management while staying entirely within their terminal environment. With support for the Language Server Protocol (LSP), OpenCode enhances code intelligence across multiple languages. Although archived, the project has evolved into Crush, actively maintained by the Charm team.

Crush is an open-source, agentic code assistant that combines powerful AI capabilities with a flexible tool execution environment, enabling developers to extend and customize how AI interacts with codebases. Designed around the Agent Skills open standard, crush lets users install and manage reusable skill packages that teach the agent how to perform specific tasks, from browsing files to editing and transforming code. When first initialized in a project, it analyzes the codebase and generates contextual knowledge files that help the agent become more effective over time. By default, crush prompts for permission before executing tool calls for safety, but this behavior can be configured, and users can enable or disable specific tools to refine capabilities. It also supports custom provider configurations for different large language models and integrations, helping developers tailor the system to their workflow preferences.

Quint Code is a structured reasoning and decision-support framework aimed at making AI-assisted software engineering and decision workflows more rigorous and auditable. It implements the First Principles Framework (FPF) to guide users and AI tools through hypothesis generation, logical verification, evidence gathering, and documented decision making, reducing reliance on ad hoc or “vibe” coding. Instead of accepting the first plausible answer generated by an AI assistant, Quint Code encourages generating multiple competing hypotheses, verifying them, and validating them against real evidence stored in a structured “knowledge base” within your project. It supports a cycle of abduction, deduction, and induction backed by CLI commands (like /q1-hypothesize, /q2-verify, /q3-validate, etc.) that create a persisting audit trail in a .quint/ directory.