Build, debug, and deploy without the subscription fees. This collection features free AI coding assistants, CLI agents, and vibe coding tools designed to help you write better code.
Editor’s Top Picks:
A free CLI coding assistant powered by Mistral Devstral 2. Learn how this open-source AI agent automates coding tasks in your terminal.
Use stable element refs, sessions, MCP, React inspection, accessibility audits, and browser controls to automate real web pages from the terminal.
Open a repository, describe the change you need, and follow the agent's investigation, edits, and tests in a project session you can return to later.
Download Google's new agent-first development platform. Features Gemini 4 Argon, multi-agent teams, scheduled tasks, native voice input, and more.
The Next-Generation Gemini CLI that runs Antigravity agents in your terminal, with subagents, MCP, plugins, slash commands, and permissions.
An open-source terminal coding agent for cloud and local models, with subagents, Agent Skills, MCP, saved sessions, and CLI automation.
Set up DeepSeek V4.1 Flash, OpenRouter, MCP, permissions, and local models across Reasonix CLI, desktop, web, and VS Code
A free, open-source terminal coding agent with four default tools, built-in MCP and Codemode, branching sessions, and TypeScript extensions.
A curated list of the best free AI tools for frontend developers. Compare features, free plan limits, and use cases for UI generation, coding, and debugging.
Yet another alternative to Claude Code. Edit files, run shell commands, and manage git with approval gates or full auto mode.
Run fx interactively or from scripts, connect MCP and Agent Skills, and embed the coding agent through ACP or libfx.
Use OpenAI CLI to call the OpenAI REST API from terminal commands, scripts, files, and admin workflows.
A free AI UI design tool from Google Labs that converts text prompts and sketches into mobile and web app UI designs with exportable code.
Use ZCode Agent for long coding tasks with completion checks, project tools, remote execution, extensibility, and multiple model providers.
Inspect repositories, edit code, run tests, resume sessions, and use MiniMax or custom model providers from the mcode CLI.
Create prototypes and design assets with Claude Code, Codex, or your own model. OpenDesign keeps project files local and can run on your own machine.
Turn a GitHub repository into an interactive architecture map, open source files from diagram nodes, and export the result as Mermaid or PNG.
An open-source coding agent with multi-provider models, persistent project context, Skills, Subagents, MCP, and headless automation.
Use Kimi Code CLI in the terminal, browser, or ACP-compatible editors with MCP, Agent Skills, plugins, multiple providers, and legacy Kimi CLI migration.
An open-source command-line AI agent supporting multiple language models for code generation. Switch between OpenAI, Claude, and Gemini in your terminal.
Install Grok Build and explore its terminal UI, sessions, Plan mode, worktrees, extensions, automation commands, and security controls.
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