Sumatra PDF is an open-source PDF Readers & Editors solution from Sumatra. Compare it against 5 other PDF Readers & Editors tools on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.
What is Sumatra PDF?
Sumatra PDF is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under PDF Readers & Editors and published by Sumatra. Buyers typically evaluate Sumatra PDF when they need a dependable PDF Readers & Editors option and want to weigh the trade-offs between free, open-source and paid tools before committing.
Yes. Sumatra PDF is open source and free to use, with no purchase cost for the core product.
What are the best Sumatra PDF alternatives?
Popular PDF Readers & Editors alternatives to Sumatra PDF include Adobe Acrobat, Foxit PDF Editor, Nitro PDF, PDF-XChange Editor. See the full list of PDF Readers & Editors on FreeSoftwareX.
