Builder.io
Visual development platform that writes production frontend code
Builder.io is profiled here as a Coding Assistant tool for engineering teams. Read about features, pricing, and how it compares to related options in the tools directory.
Description
Builder.io is a visual development platform founded by Steve Sewell. Its Fusion agent connects to a team's repository and design system, turns Figma designs and plain-language prompts into pull requests that follow existing components and tokens, and lets designers edit on a visual canvas that writes real code. The Publish product adds a headless CMS so marketers ship pages without engineering tickets. Fusion 1.0 shipped in November 2025 with bot workflows that pick up Jira tickets, open branches, and respond to pull request review comments.
Key Capabilities:
Fusion AI agent generating code inside existing repositories
Figma-to-code conversion mapped to the team's design system
Visual canvas editing that produces reviewable pull requests
Slack, Jira, and GitHub bot workflows from ticket to branch
Headless CMS with A/B testing and personalization
Code generation for React, Vue, Angular, and Svelte
Alternative tools
- Onlook
Open-source visual editor for React applications
- Bito
AI code review agent and in-editor coding assistant
- Sweep
AI autocomplete and coding agent built for JetBrains
- Zencoder
Repository-aware coding and unit-testing agents in your IDE
- Goose
Open-source local AI agent for engineering tasks
- Gemini CLI
Google's free, open-source AI agent for the terminal