FyneJS (18.6KB, zero deps) works directly in the browser with zero configuration and no build steps. Engineered for performance with fine-grained reactivity and surgical DOM updates. Features: built-in SPA router with view transitions, browser-native TypeScript (instant type stripping!), component system with slots/props, computed properties with smart caching, smart GC, and expression sandboxing. Faster than React, smaller than Alpine, more powerful than both. Drop-in ready.
