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Tokio•July 22, 2026
Topcoat
Featured on Blog
Open Source
Rust
Web Framework
Full-stack
Tokio
Featured
🔥 This release made it to our blog
Tokio Launches Topcoat: A Rust-based Framework for Building Full-Stack Web Apps
Topcoat is a new modular Rust framework designed for building full-stack reactive web applications using server-side rendering and macro-based reactivity.
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### TL;DR
Topcoat is a modular, batteries-included framework for building full-stack, reactive web applications with Rust. It emphasizes developer productivity and simplicity by focusing on server-side rendering while enabling client-side reactivity without the overhead of WebAssembly.
Key Insights & Metrics
Pricing
Free & Open-source
Cost structure
Version
0.4.0
Current release version
Hardware
No specific hardware required; Standard Rust development environment
Compute requirements
Category
Open Source
Licensing model
Region
all
Primary region
Key Features
- Server-rendered architecture with type-safe reactive instructions
- Client-side reactivity without WebAssembly via Rust-to-JS compilation
- Full asset pipeline with automatic content hashing for caching
- Request-level memoization for efficient data fetching
- Built-in component library based on Tailwind CSS
- Seamless integration with Toasty ORM and HTMX/Alpine.js
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