Best Open Source Alternatives to PDFfiller

Compare the best free and open-source alternatives to PDFfiller — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 4 alternatives

PDFfiller

Proprietary SaaS

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Platformsweb, mobile, android, ios

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PDFfiller alternatives compared

Open-source alternatives to PDFfiller, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
Stirling-PDF	95,599	LGPL-3.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
PDF Arranger	6,013	GPL-3.0	LinuxWindows	No	Nov 2026	Visit
PDFsam Basic	4,657	AGPL-3.0	LinuxmacOSWindows	No	Nov 2026	Visit
Okular	1,562	GPL-2.0	LinuxmacOSWindowsandroid	No	Nov 2026	Visit

Top open-source PDFfiller alternatives

Stirling-PDF95,599LGPL-3.0

Stirling-PDF is a self-hosted PDF toolset replacing Adobe Acrobat and iLovePDF for local page assembly, OCR text extraction, and private file conversion.

LinuxmacOSWindowsDockerWeb

vs PDFfiller: a free, open-source option you fully control, licensed LGPL-3.0.

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