Free
Stirling PDF
Open SourcePDF Tools · PDF & Documents
Self-hosted PDF toolbox with 50+ operations, locally run.
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Discover the 12 best open-source tools for pdf & documents. Community-driven, transparent source code with permissive licenses. Curated, compared, and updated for developers.
| Tool | Pricing | Platforms | Top Strength | Link |
|---|---|---|---|---|
| Stirling PDF | free | web | Self-hosted PDF toolbox with 50+ operations, locally run. | Details → |
| PDFsam | freemium | desktop | Open-source desktop app to split, merge and rotate PDFs. | Details → |
| Pandoc | free | cli | Universal document converter: Markdown to PDF, DOCX, HTML and more. | Details → |
| Dillinger | free | web | Online Markdown editor with live preview and cloud sync. | Details → |
| StackEdit | freemium | web | Browser Markdown editor with Google Drive and GitHub sync. | Details → |
| Docusaurus | free | Web | React-based static site generator optimized for documentation. | Details → |
| VitePress | free | Web | Vite-powered static site generator focused on docs. | Details → |
| MkDocs | free | Web | Python static site generator for project documentation. | Details → |
| mdBook | free | Web | Create books and docs from Markdown, made by the Rust community. | Details → |
| Typst | freemium | Web | Modern, fast typesetting system — a fresh alternative to LaTeX. | Details → |
Showing top 10 of 12. Browse the full grid below.
PDF Tools · PDF & Documents
Self-hosted PDF toolbox with 50+ operations, locally run.
PDF Tools · PDF & Documents
Open-source desktop app to split, merge and rotate PDFs.
Documentation Generators · PDF & Documents
Universal document converter: Markdown to PDF, DOCX, HTML and more.
Markdown · PDF & Documents
Online Markdown editor with live preview and cloud sync.
Markdown · PDF & Documents
Browser Markdown editor with Google Drive and GitHub sync.
Documentation Generators · PDF & Documents
React-based static site generator optimized for documentation.
Documentation Generators · PDF & Documents
Vite-powered static site generator focused on docs.
Documentation Generators · PDF & Documents
Python static site generator for project documentation.
Documentation Generators · PDF & Documents
Create books and docs from Markdown, made by the Rust community.
Documentation Generators · PDF & Documents
Modern, fast typesetting system — a fresh alternative to LaTeX.
Documentation Generators · PDF & Documents
Astro's documentation framework — fast, accessible docs sites with search, i18n and sidebar tooling built in.
Documentation Generators · PDF & Documents
Next.js-based docs and site generator — MDX pages, file-system routing and built-in search.