React Alignment Guides is a guides system for draggable elements in an enclosed space

A dev-tool overlay that draws alignment guides over any running web app.

Placement aids for weasel: grids, alignment guides, snapping to them, and container layout strategies, built on core's snap and behavior seams.

One free-placement canvas for every xeplr builder: drag, resize, alignment guides, snapping, marquee select and edges — React controller hooks, pure geometry and a ready-made <XeplrCanvas>

Interactive canvas editor and viewer for Biamp Workplace applications. Built on Fabric.js with React hooks, it provides shape creation, selection, pan/zoom, alignment guides, serialization, and DOM overlays out of the box.

Framework-agnostic grid-layout algorithms (bin-packing, collision detection, compaction, responsive breakpoints, alignment guides) shared by the Vue, React, and Angular packages in this monorepo. Zero framework dependency — every function takes plain data

The fastest, most beautiful React library for building node-based UIs. Fine-grained rendering, built-in auto-layout, undo/redo, alignment guides — free and open source.

align-text with ANSI support for CLIs

Snap-to-vertex, snap-to-edge, alignment guides, and vertex deletion for @mapbox/mapbox-gl-draw

A wide-character aware text alignment function for use on the console or with fixed width fonts.

Text alignment feature for CKEditor 5.

Infinite session canvas for the DeepSeek Harness web GUI, modeled on codeg-plus's 无限会话 board: regions bound to workspaces and agent presets, pinned session cards, sticky notes, drag-to-group, alignment guides and auto-arrange. 参考 codeg-plus 无限画布语义的 dsh 插件

Free-form whiteboard canvas (resizable cards plus shape, sticky-note, and free-text renderables, multi-select, alignment guides, and saved arrangements) built on pict-section-flow

Figma-style alignment guides for the browser. Drop a data-keyline attribute on any element — see guides for it on a dev overlay.

Text alignment plugin for Plate

A ScrollList component for Ink CLI applications

Official Sentry SDK for React.js

remark-lint rule to warn when table pipes are not aligned

Customizable Date Picker for React

The OpenAI Agents SDK is a lightweight yet powerful framework for building multi-agent workflows.