iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha

PDF library for Go: layout engine, HTML to PDF, forms, signatures, barcodes, and PDF/A. Apache 2.0.

A simple toolkit for filling out PDF forms in iOS.

pdfHTML is an iText add-on for Java that allows you to easily convert HTML and CSS into standards compliant PDFs that are accessible, searchable and usable for indexing.

pdfHTML is an iText add-on for C# (.NET) that allows you to easily convert HTML and CSS into standards compliant PDFs that are accessible, searchable and usable for indexing.

BulkPDF is a free and easy to use open source software, which allows to automatically fill an existing PDF form with differen values. Only a spreadsheet (Microsoft Excel 2007/2010/2013, LibreOffice or OpenOffice Calc) with the desired values is required.

free pdf form software - pdForms.net

Turn flat PDFs into real, fillable AcroForms - permissive (Apache-2.0), deterministic, zero-copyleft.

Zero-dependency native PDF engine in pure TypeScript. Create, parse, sign, and modify ISO 32000-1 documents. Supports PDF/A, PDF/UA, BiDi, and complex font shaping.

Fast pure-Rust PDF form filling and AcroForm inspection — a pypdf / PyPDF2 compatibility layer for fillable PDFs

Adobe Acrobat Form Example

Pure Go PDF library for reading & writing PDF (Go 1.20+): xref & streams, catalog/pages, text extraction, PdfWriter merge & forms—stdlib-only at runtime, ISO 32000–oriented API.

This repository includes numerous examples of working with form fields in PDF documents. Specifically, you can find examples demonstrating how to create, fill, edit, remove, flatten, import and export form fields. Additionally, it contains examples of how to retain extended rights and utilize JavaScript in PDF forms. 

This repository contains an ASP.NET Core sample that demonstrates creating and filling interactive PDF forms (AcroForms) on the server using the Syncfusion .NET PDF Library. Securely generate fillable PDFs, populate fields, and deliver downloadable documents without exposing sensitive data.

Convert flat PDF forms into fillable AcroForm PDFs — detects boxes, lines, dotted leaders, combs and date fields, with an optional Claude vision pass and a review UI.

The fastest, smallest, most secure self-hostable PDF REST API — stateless single-shot HTTP service wrapping the pdf_oxide Rust engine (text/markdown/html extraction, AcroForm fill with first-class Japanese/CJK, merge/split, pipeline). Distroless Docker, ~8-16MB.

Cross-platform GUI app to flatten problematic form PDFs with qpdf, pdftocairo, and Ghostscript fallbacks.

纯 JavaScript（pdf-lib）的 PDF AcroForm 工具链：发现字段 → 诊断 → 校验 → 填充

Batch-fill PDF forms from CSV files locally.