Compare the Top PDF Software as of November 2025

What is PDF Software?

PDF software refers to a range of tools designed for working with PDF (Portable Document Format) files, which are widely used for document sharing and storage. These tools offer a variety of functions, such as creating, viewing, editing, converting, securing, and managing PDF files. PDF software can be used for tasks like merging or splitting documents, adding annotations, filling out forms, applying digital signatures, and securing documents with passwords or encryption. It is commonly utilized across industries for document collaboration, official documentation, and data exchange due to its universal compatibility and ability to maintain formatting across different platforms. Compare and read user reviews of the best PDF software currently available using the table below. This list is updated regularly.

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    Drawboard Projects
    Collaborative design review software with all markups, live synced, tracked and coordinated. Your team's new live and intuitive workspace for drawing and document review. Drawboard Projects (formerly Bullclip) is the only collaborative workspace where you and your team can mark up, discuss and track changes across PDF drawings and documents. Refined by architects and engineers, made for any team. - In Drawboard Projects, all internal contributors and those with limited-access guests mark up the same drawings or documents. - Drawboard Projects instantly syncs all markups and communication on every revision, speeding up your process and giving you your coordination time back. - Pin issues to particular places on drawings and assign responsibility for closeout to team members. - Keep discussion right on the drawing so that anyone can see full context of decisions that were made. -Organization management with an easy-to-use Admin Portal for better governance.
    Starting Price: $19 per user per month
  • 2
    SCHEMA ST4

    SCHEMA ST4

    SCHEMA Group

    The SCHEMA Group was established in Nuremberg in 1995 and is a medium-sized software manufacturer with more than 130 employees. The SCHEMA Group produces component content management and content delivery solutions for authoring departments creating product-related content. The SCHEMA ST4 component content management system is one of the most frequently used systems for the modularised creation of documentation, package inserts and marketing documentation. The system covers all areas of creation, versioning, variant control, translation, management and publication of product-related content – from authoring assistance during input to the finished layout for the printed catalog. A documentation portal based on Quanos InfoCube provides a central point of contact on the Internet where all technical documentation is available. Users can quickly and precisely find the right content in the entire information inventory with an easy-to-use search system.
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