GoSPA

GoSPA brings Svelte-like reactive primitives (Runes, Effects, Derived) to the Go ecosystem. It is a high-performance framework for building reactive SPAs with Templ, Fiber, file-based routing, and real-time state synchronization.

Highlights

• Native Reactivity - Rune, Derived, Effect primitives that work exactly like Svelte 5.
• WebSocket Sync - Transparent client-server state synchronization with GZIP delta patching.
• File-Based Routing - SvelteKit-style directory structure for .templ files.
• Hybrid Rendering - Mix SSR, SSG, ISR, and PPR on a per-page basis.
• Type-Safe RPC - Call server functions directly from the client without boilerplate endpoints.
• High Performance - Integrated go-json and optional MessagePack for minimal overhead.

Quick Start

1. Install CLI

go install github.com/aydenstechdungeon/gospa/cmd/gospa@latest

2. Scaffold & Run

gospa create myapp
cd myapp
go mod tidy
gospa dev

3. A Simple Page

// routes/page.templ
package routes

templ Page() {
    <div data-gospa-component="counter" data-gospa-state='{"count":0}'>
        <h1 data-bind="text:count">0</h1>
        <button data-on="click:increment">+</button>
    </div>
}

Comparison

Documentation

Full guides and API reference are available at gospa.onrender.com, aydenstechdungeon.github.io/gospa or in the /docs directory.

Apache License 2.0