Top XML GitHub Repositories & Tools (2026)

Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

A browser-based viewer for Office Open XML documents that renders to an HTML Canvas element.

A OneNote add-in with simple, yet powerful and useful features

PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs

Open-source semantic layer: one cube for Excel (MDX/XMLA), dashboards, and AI agents (MCP). Mondrian + Apache Calcite.

Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.

SVG/XML to Compose ImageVector: IntelliJ IDEA / Android Studio plugin + build-in previewer without compilation, CLI tool, Gradle plugin

BaseX Main Repository.

MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.

Contextual output encoding for Java 8+: HTML, JavaScript, CSS, XML and URI components. Zero-dependency core with optional JSP, Jakarta and ESAPI adapters.

Stroom is a highly scalable data storage, processing and analysis platform.

Prettier XML plugin

Powerful local Word Processor for docx and odt. Free, Open Source, Private by Design

A modern CSS selector implementation for BeautifulSoup

The gold standard Stax XML API implementation. Now at Github.

This is a Gradle plugin for Android applications that concatenates XML strings during compilation

Declarative UI for Java

FetchXML Builder for XrmToolBox and Microsoft Dynamics 365 / CRM

Puzzle Driven Development (PDD) Chatbot Assistant for Your GitHub Repositories

Pure Python HWPX automation: read, edit, generate, and validate documents without Hancom Office.