Libraries & SDKs

GrapesJS is a free, open-source web builder framework (JavaScript library) for building HTML templates visually, without coding, for sites, newsletters and apps.

Blockly is an open-source JavaScript library that adds a drag-and-drop visual code editor to web apps, so users can build programs from interlocking blocks instead of typing syntax.

Lexical is an extensible, MIT-licensed text editor framework library for building reliable, accessible and fast rich text editors in web apps.

Docling is an MIT-licensed Python library that parses PDF, DOCX, PPTX, HTML and many other documents into structured data ready for generative AI pipelines.

CodeMirror dev repository: the central development hub for the CodeMirror code editor library, holding the issue tracker and build scripts for its JavaScript packages.

CKEditor 5 is a modular JavaScript rich-text editor library and framework for building WYSIWYG editing into web apps, with collaborative editing support.

Editor.js is an open-source block-style JavaScript text editor library that outputs clean JSON instead of HTML markup, for web and mobile apps.

PDFium is an open-source PDF library from Chromium for reading, parsing and rendering PDF files in C++ applications.

MuPDF is an open-source library for viewing and converting PDF, XPS and e-book documents, with a lightweight footprint for developers.

Babylon.js is an open-source JavaScript and TypeScript 3D game and rendering engine for building interactive web experiences with WebGL, WebGPU and WebXR.

Apache Tika is an open-source Java library and toolkit that detects file types and extracts metadata and text from over a thousand formats, including PDF, PPT and XLS.

Apache PDFBox is an open-source Java library for creating, manipulating and extracting content from PDF documents in Java applications.

lottie-web is an MIT-licensed JavaScript library that renders After Effects animations exported as JSON natively in the browser, as SVG, canvas or HTML.

Manim is an open-source Python library for precise programmatic animations, built to create explanatory math videos.