21st.dev
To provide an orchestration layer for coding agents and a centralized platform for AI-ready UI components to help developers ship software 10x faster.
At a Glance
- Software Developers
- AI-focused Startups
- Product Teams
AI Tools by 21st.dev
(2)
21st.dev
UI Components and AI Agent SDK
1Code
Visual Claude Code Codex Client
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Products & Services
An open-source orchestration layer and control panel for AI coding agents such as Claude Code and OpenAI Codex.
A centralized marketplace and repository for AI-ready UI components like Magic UI and Aceternity.
An AI-powered UI component generator that integrates with IDEs like Cursor.
A redesigned conversational AI chat interface for improved developer experience.
Market Position
Positions itself as an open-source, parallel-processing orchestration layer for AI coding agents, differentiating from traditional AI IDEs by offering deep integration with MCP and a visual control panel.
Leadership
Founders
Serafim Korablev
CEO and Co-founder. Former CEO at Via Exchange, background in product management and e-commerce jewelry platforms.
Sergey Bunas
CTO and Co-founder. Former Senior Software Engineer at Deel, expert in TypeScript and fullstack development.
Executive Team
Serafim Korablev
CEO
Co-founder, previously CEO of Via Exchange.
Sergey Bunas
CTO
Co-founder, previously Senior Software Engineer at Deel.
Board of Directors
Founding Story
Founded by Serafim Korablev and Sergey Bunas with the vision of centralizing scattered UI resources. The company rapidly built and launched 9 products in its first 10 months, amassing over 1 million users, before focusing on an orchestration layer for AI coding agents.
Business Model
Revenue Model
SaaS subscription model with Pro and Max tiers, plus an open-source (self-hosted) version.
Pricing Tiers
Self-hosted, full source code available on GitHub.
For individual builders; includes desktop/web/PWA access, background agents, and live previews.
For teams and power users; includes all Pro features plus automations and personal support.
Target Markets
- Software Developers
- AI-focused Startups
- Product Teams
- Rapid UI prototyping
- AI-assisted coding
- Parallel feature development
- Automated DevOps tasks
- Vercel
- monday.com
- Draftbit
- Linux Foundation