Datalogics: Datalogics provides best-of-breed PDF technologies for developers. The Adobe PDF Library is a multi-platform API offering a wide range of PDF manipulation and printing capabilities, with Adobe’s staple color and font accuracy. PDF Java Toolkit is a pure Java API with robust support for PDF forms and digital signatures.

PDF Tools: PDF Tools provides PDF solutions supporting the entire PDF and PDF/A process including conversion, validation, rendering, manipulation, optimization, security and signature. 3-Heights components and solutions is designed to handle large volumes quickly and reliably to provide high quality PDF and PDF/A-compliant documents for further processing or digital long-term archiving.

PDFTron: PDFTron provides powerful cross-platform PDF APIs enabling app development for desktop/server, mobile and web apps, with consistent, high-quality output, as well as top-notch performance on even the most complex files. PDFNet SDK APIs can be accessed from any language/platform (Xamarin/C#, JavaScript, C++, Java, Objective-C, etc.), providing support for annotation, collaboration, forms, digital signing, editing, printing, file conversion, redaction, and more. PDFTron’s WebViewer technology enables viewing and embedding PDF, Office and other formats in any HTML5 app on any device. Also, announced at the last PDF Tech Conference in San Jose in 2015 as the first complete PDF toolkit for the web, PDFNetJS is the latest addition to PDFTron’s web-based technologies, enabling to view, annotate and edit PDFs directly in any modern desktop browser.

Qoppa: Qoppa Software offers an extensive suite of PDF libraries and visual components that cover all PDF processing needs. PDF functions include creation and modification, assembly, conversion to images and HTML, automated printing, encryption and digital signatures, form fields, viewing and markup, optimization, and a lot more. Qoppa products provide the highest level of performance and reliability and are 100% Java, so they run on all servers and desktop operating systems.

Accusoft: PDFXpress is a full-featured PDF SDK that makes it fast and easy to enhance your application with a broad range of PDF features including file creation, editing, text and image extraction, and standard PDF security using easy-to-implement, concise code. Users are empowered to rapidly render large PDF images and files. Apply customizable compression settings, and perform lossless compression to reduce file size without sacrificing render quality.

ActivePDF: Over 14 years, ActivePDF has developed and refined a comprehensive collection of PDF automation tools that make development easy. ActivePDF helps avoid delays, downtime and headaches. More than 23,000 satisfied customers have chosen ActivePDF, from startups to Fortune 100 companies.

Adobe: A company defined by its market-leading PDF technology, Adobe offers Adobe Document Cloud for document management across mobile devices and PCs. The Document Cloud features the Adobe Acrobat DC PDF solution, which provides a touch interface for document management through native mobile apps.

Amyuni: Amyuni provides developers and system administrators with high-performance PDF conversion and processing tools. Certified for Windows desktops and servers, Amyuni PDF Converterenables developers to easily integrate powerful PDF and PDF/A functionality into their applications with just a few lines of code. Amyuni PDF Creator produces optimized PDF documents and is available for .NET, WinRT and ActiveX.

Aspose: Aspose creates file format APIs that help .NET and Java developers work with documents. Aspose.Pdf for .NET and Aspose.Pdf for Java are APIs for creating, editing and converting PDF files. They support a wide range of features, from simple PDF file creation, through layout and formatting changes, to more complex operations like managing PDF forms, security and signatures. In addition, the company also provides PDF solutions for Cloud, Android, SharePoint, Reporting Services and JasperReports.

CeTe: CeTe Software’s DynamicPDF product line, including Merger, Generator, Viewer, Rasterizer, PrintManager and Converter, provides developers access to a complete integrated PDF solution. Functionality includes PDF creation and manipulation, PDF conversion (to and from PDF), PDF printing, as well as an embeddable PDF Viewer. The DynamicPDF libraries and components have functionality for .NET (C# and VB.NET), Java and COM/ActiveX.

ComponentPro: Ultimate PDF for .NET is a 100%-managed PDF document component that helps you add PDF capabilities in .NET applications. With a few lines of code, developers can create a complex PDF document from scratch, or load an existing PDF file without using any third-party libraries or ActiveX controls. The Ultimate PDF component also offers many features, including drawing text, image, tables and other shapes; compression; hyperlinks; security; and custom fonts. PDF files created using the Ultimate PDF component are compatible with all versions of Adobe Acrobat as well, as is the free version of Acrobat Viewer from Adobe.

Glyph & Cog: Glyph & Cog offers a full line of software components designed to help developers add PDF capabilities into their applications. Functionality includes PDF viewing (Qt and ActiveX), printing, text extraction, and more with cross-platform support for Windows, Mac and Linux. Glyph & Cog’s newest product is PDFdeconstruct, a tool that decomposes PDF content into an XML file.

GrapeCity: Within the ComponentOne Studio product, GrapeCity provides UI controls for application development. Its offering includes PDF controls for creating and viewing PDF documents in Windows, web, and Windows Store apps without requiring users to install Adobe Acrobat. With the ComponentOne Studio PDF control for WinForms, WPF, UWP, MVC, ASP.NET, and Silverlight, users may generate and view full-featured reports with encryption, compression, outlining, hyperlinking, attachments, and everything else PDF users need. The new FlexReport reporting engine exports to PDFs and also includes FlexViewer for Windows and web apps, and supports PDF viewing with full navigation features.

LEADTOOLS: LEADTOOLS’ Document Imaging toolkits include a full suite of PDF SDK technology for viewing, editing, creating and converting PDF and Office formats. The Document Viewer framework includes an advanced set of tools such as text searching, annotations, memory-efficient paging, inertial scrolling, and vector display. Developers can implement comprehensive PDF reading, writing and editing with support for the extraction of text, hyperlinks, bookmarks, digital signatures, PDF forms and metadata, as well as updating, splitting and merging pages from existing PDF documents.

Persits Software: Persits Software’s AspPDF and AspPDF.NET are feature-packed server components for managing Adobe PDF documents for ASP and .NET environments, respectively. Their simple and intuitive programming interface enables a Web application to perform many useful PDF-related functions, such as form fill-in, HTML-to-PDF, and PDF-to-image conversion, text extraction, stamping, digital signing, automatic printing, barcode generation, and many others, in just a few lines of script. Free fully functional 30-day evaluation versions are available.

ORPALIS: GdPicture.NET offers extended support of the PDF format for .NET (C# and VB.NET) and non-managed applications written in VB6, Delphi, Microsoft Access and more. Its numerous features include full Unicode support, PDF/A generation, digital signature support, PDF merging and splitting, PDF modification, PDF rasterization, and PDF creation with interactive form fields. With GdPicture.NET, you can also repair corrupted PDFs, add or extract fonts, and draw barcodes and annotations on documents.

TallComponents: TallComponents offers reliable and proven .NET class libraries for desktop, server, mobile and cloud to create, modify, convert, read, print and render PDF documents. The libraries are written entirely in C#, have no external dependencies such as Adobe Reader, and are characterized by an intuitive API combined with knowledgeable and fast support.