Open source Okular alternatives

All Okular alternatives

1. 

   

   Sumatra PDF

   17.7KstarsLike

   Sumatra PDF is a small, fast document reader for Windows that opens PDF, EPUB, MOBI, XPS, DjVu and comic book files. It focuses on quick startup and a minimal interface rather than editing, with basic annotation support and a portable version that runs without installation. It is free and open source under the GPLv3.

   6 Sumatra PDF alternatives

   Pros

   • Very fast startup and a minimal interface
   • Opens PDF, EPUB, MOBI, DjVu and comic book files
   • Portable version runs without installation

   Cons

   • Available on Windows only, with no Mac or Linux version
   • No PDF editing and only basic annotations

   Cost / License

   FreeOpen source

   Categories

   PDF Editors

   Platforms

   Windows

   Features

   Ad-freeOffline modePDF annotation

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2. 

   

   Stirling-PDF

   94KstarsLike

   Stirling-PDF is an open-core PDF application you can run on your own server, typically with Docker, so documents never leave your infrastructure. It bundles tools to merge, split, compress, convert, OCR, sign, redact and edit PDFs, plus a REST API and pipelines for automating repetitive jobs. The core is MIT-licensed and free; paid plans add enterprise features such as SSO.

   7 Stirling-PDF alternatives

   Pros

   • Self-hosted, so documents never leave your infrastructure
   • Dozens of tools for merging, OCR, redaction and conversion
   • REST API and pipelines automate repetitive jobs

   Cons

   • Requires running a server, typically with Docker
   • SSO and other enterprise features are paid

   Cost / License

   FreemiumOpen source

   Categories

   PDF Editors

   Platforms

   WebSelf-hosted

   Features

   API accessElectronic signaturesMerge and split PDFsOCRPDF conversionPDF text editing

   Visit websiteMore about Stirling-PDF