Evotec 

Open-source, cross-platform .NET library for creating, reading, editing, and converting Microsoft Word DOC, DOCX, DOCM, DOT, DOTX, and DOTM documents without Microsoft Office.

Markdown builder, typed reader/AST, and HTML renderer for .NET with GitHub-like output and an optional portable reader profile.

First-party PDF builder, reader, editor, renderer, and signature workflow for .NET.

Shared zero-dependency document, security, drawing, color, image, and font primitives for OfficeIMO projects.

Shared zero-dependency document, drawing, color, image, and font primitives for OfficeIMO projects.

HTML converter for OfficeIMO.Markdown - Convert HTML fragments or documents into OfficeIMO.Markdown documents and Markdown text.

Open-source, cross-platform .NET library for creating, reading, editing, and converting Microsoft PowerPoint PPT, PPTX, PPTM, POT, PPS, and related presentations without Microsoft Office.

Open-source, cross-platform .NET library for creating, reading, editing, and converting Microsoft Excel XLS, XLSX, XLSB, XLSM, and XLTX workbooks without Microsoft Office; legacy XLT templates are supported for... More information

Managed Rich Text Format (RTF) reader, writer, lossless syntax tree, bounded parser, and editable document model for .NET.

HTML parsing, resource policy, CSS layout, diagnostics, and direct rendering for OfficeIMO converters.

DnsClientX is an async C# library for DNS over UDP, TCP, HTTPS (DoH), TLS (DoT), HTTP/3 (DoH3), and QUIC (DoQ). It also has a PowerShell module that can be used to query DNS records. It... More information

PDF converter for OfficeIMO.Word - Export Word documents to PDF using the first-party OfficeIMO.Pdf engine.

Dependency-free charts and diagrams with shared SVG, HTML and native raster rendering, typography, theme/frame contracts and semantic artifact handoff.

PDF converter for OfficeIMO.PowerPoint - Export PowerPoint presentations to PDF using the first-party OfficeIMO.Pdf engine.

PDF converter for OfficeIMO.Excel - Export Excel workbooks to PDF using the first-party OfficeIMO.Pdf engine.

PDF reader and normalized PDF projection bridge for OfficeIMO.Reader.

Direct HTML-to-PDF rendering and PDF-to-HTML conversion for OfficeIMO.

Pure-managed QR, retail barcode, industrial symbol, payload, image, and document rendering toolkit for .NET.

HTML, CSS, and JavaScript parsing, extraction, auditing, formatting, and browser automation for .NET and PowerShell.

HtmlForgeX is a C# library to create advanced HTML reports/pages without knowing any of HTML/CSS or JavaScript.