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A little curiosity. A world of open source.
THE FIRST COLLECTIONAn MIT-licensed family of independent TypeScript packages that convert losslessly between OOXML, OpenDocument, Markdown, EPUB, PDF, RTF and legacy formats through one shared Zod schema, with a CLI, MCP server and web UI built on top.
PDFMathTranslate is an open-source tool for translating scientific PDF documents while preserving their original layout, including formulas, charts, tables of contents, and annotations. It supports multiple translation services and offers CLI, GUI, Docker, and Zotero integration.
Papermark is an open-source DocSend alternative for secure document sharing and data rooms, with built-in analytics, custom domains and branding. It is self-hostable and built with Next.js, TypeScript, Prisma and PostgreSQL.
BentoPDF is a privacy-focused, client-side PDF toolkit that allows users to manipulate, edit, and convert PDF files directly in the browser without server-side processing.
Free index of Chinese programming books covering operating systems, AI, Web, algorithms, and various programming languages, with community contributions.
VectorMojo is a client-side design-file to SVG converter that runs in the browser. It reads PSD/PSB, PDF, modern Illustrator AI, EPS, SVG, PNG and JPEG, then exports SVG, PNG, PDF or copied SVG markup, keeping parsing, tracing and rendering in the tab.
A tool for writing and generating interactive gamebooks from Markdown and YAML, with builds for HTML, PDF, EPUB, and optional MOBI.
Stirling PDF is an open-source PDF platform for editing, signing, converting, and automating PDFs locally or on your own servers—no external services required.
ByteDance's open-source document image parsing model (ACL 2025) that turns PDFs and photographed pages into structured Markdown/JSON, covering layout, reading order, text, tables, formulas, and code.
Sioyek is a PDF viewer optimized for textbooks and research papers, offering features like smart jumps, portals, highlights, and customizable keybindings. It supports Windows, macOS, and Linux with official and third-party packages.
Documenso is an open-source digital document signing platform designed as an alternative to DocuSign, emphasizing trust through self-hosting capabilities.
KOReader is a versatile document viewer for e-ink readers, supporting PDF, EPUB, and many formats across devices like Kindle, Kobo, and Android, with extensive customization and plugins.
Bundle is a privacy-first web toolkit providing PDF, image, developer, and text tools that run entirely in the browser without server uploads.
OCRmyPDF is a command-line tool that adds a searchable OCR text layer to scanned PDF files, producing validated PDF/A output. It uses Tesseract for recognition in over 100 languages, supports deskewing and rotation correction, and runs on Linux, macOS, Windows and FreeBSD.
DocuSeal is an open-source document signing platform, positioned as a DocuSign alternative. It offers a WYSIWYG PDF form builder with 12 field types, multi-submitter workflows, email automation, e-signature and verification, plus API and webhooks.
