OpenUI
Framework-agnostic generative UI framework with a compact streaming language and runtimes for React, Vue, Svelte and Angular.
✨ Try AgentScout's free AI image generator →Good for: building AI agents
Use cases
About OpenUI
OpenUI is listed in our frameworks category and is aimed at builders. Framework-agnostic generative UI framework with a compact streaming language and runtimes for React, Vue, Svelte and Angular. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-18.
OpenUI ratings and reviews
OpenUI alternatives
Other frameworks tools in our directory. See all frameworks tools →
Tambo
Generative UI SDK for React that lets agents render components.
CopilotKit
Frontend stack for putting agents and generative UI into React and other apps, from the makers of the AG-UI protocol.
assistant-ui
Open-source React components and runtimes for building AI chat and agent front ends with streaming, tools and persistence.
Atmosphere
Real-time AI agent runtime for the JVM that runs one agent class on Spring AI, LangChain4j and other backends with streaming, MCP, A2A and AG-UI.
Go Micro
Go framework for distributed systems where services double as tools for AI agents, with RPC, discovery, messaging and agent workflows.
OpenGAP
Framework-agnostic, git-native standard and CLI for defining AI agents so a repository becomes a runnable agent.
Related lists
🏆 See also: AgentScope alternatives · All best-of lists
💲 Estimate API cost: compare per-request and monthly costs for GPT, Claude, Gemini and Grok models.
Badge for makers
Built OpenUI? Add this badge to your README or site. It links back to this page. About badges
