# Flexily

> Pure JavaScript Flexbox Layout

Need flexbox layout outside the browser? Yoga requires WASM, async init, and leaks memory in long-running apps. Flexily is a pure JavaScript drop-in replacement — 1.5-5.5x faster, 2.5-3.5x smaller, no WASM. Powers Silvery's terminal UI layout.

## Table of Contents

### Introduction

- [Getting Started with Flexily](/flexily/guide/getting-started.md)
- [Why Flexily?](/flexily/guide/why-flexily.md)

### Deep Dives

- [Flexily Layout Algorithm](/flexily/guide/algorithm.md)
- [Flexily Performance](/flexily/guide/performance.md)
- [Zero-Allocation Layout Engine](/flexily/guide/zero-allocation.md)
- [Flexily Testing Infrastructure](/flexily/guide/testing.md)
- [Incremental Layout: Correctness Challenges](/flexily/guide/incremental-layout-bugs.md)

### Integrations

- [Pretext Integration](/flexily/guide/pretext.md)

### Reference

- [Flexily vs Yoga: Layout Engine Comparison](/flexily/guide/yoga-comparison.md)
- [Intentional Divergences from Yoga](/flexily/guide/yoga-divergences.md)
- [Migration from Yoga](/flexily/guide/migration-from-yoga.md)
- [Flexily v1.0 Roadmap](/flexily/guide/v1-roadmap.md)

### API

- [API Reference](/flexily/api/reference.md)

### Other

- [Contributing to Flexily](/flexily/CONTRIBUTING.md)