🔥 The Python library & CLI for PDF forms.

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• Updated Nov 12, 2026
• Python

GoPDFSuit - Ultra Fast PDF Engine (Gin Web + gopdflib +pypdfsuit)

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• Updated Sep 8, 2026
• Go

A simple toolkit for filling out PDF forms in iOS.

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• Updated Oct 6, 2022
• Objective-C

#1 Angular PDF viewer

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• Updated Nov 12, 2026
• JavaScript

Nice wrapper of PDFBox in Clojure

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• Updated Dec 16, 2024
• Clojure

Fill, sign, merge, split, and extract PDFs from Claude Desktop and other MCP hosts. Maintained by the Open Document Alliance.

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• Updated Oct 21, 2026
• JavaScript

PDF form filling using FPDM Class written by FPDF author Olivier (+multifile-filling-fix, +checkboxes)

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• Updated Dec 15, 2023
• PHP

JavaScript library to generate editable and read-only PDF forms from SurveyJS JSON definitions and collected responses.

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• Updated Nov 11, 2026
• TypeScript

This is a Google Apps Script library for managing PDFs.

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• Updated May 17, 2024
• JavaScript

C# and VB.NET samples for Docotic.Pdf library

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• Updated Nov 11, 2026
• Visual Basic .NET

Advanced modules for the SILE typesetting system: A path for making books from front cover to back cover, invoices, and more, using lightweight markup.

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• Updated Nov 9, 2026
• Lua

Typographic-quality PDF generation for Elixir. Zero dependencies — no Chrome, no wkhtmltopdf. TeX hyphenation, Knuth-Plass line breaking, TrueType/OpenType embedding with subsetting, forms and AES-256. Distilled from Joe Armstrong's erlguten.

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• Updated Nov 10, 2026
• Elixir

Make PDF Files Accessible, Extract Data from PDF, Convert PDF to HTML, Fill-in PDF Form, Stamp PDF and more...

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• Updated Nov 11, 2026
• C++

Free, open-source PDF editor for Windows: edit text, OCR, redact, sign, fill forms, compare and convert. 150+ tools, sandboxed, no subscription.

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• Updated Nov 12, 2026
• TypeScript

Fill AcroForm PDFs from JSON. FastAPI, Docker, playground. Deterministic aliases first. Optional AI is off by default.

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• Updated Nov 11, 2026
• Python

Golang Gin with PDFTK as REST (HTTP) web-service with docker

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• Updated Jul 20, 2021
• Go

PDF Flattener - Secure PDF documents by making floating redactions and form entries permanent.

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• Updated Jul 31, 2026
• Java

Make PDF Files Accessible, Extract Data from PDF, Convert PDF to HTML, Fill-in PDF Form, Stamp PDF and more...

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• Updated Nov 11, 2026
• C#

Build Contact Form 7 forms from PDF forms. Get PDFs auto-filled and attached to email messages and/or website responses on form submission.

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• Updated Oct 28, 2026
• PHP

NodeJS library to convert JSON to PDF or vice versa

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• Updated Jul 8, 2023
• JavaScript