Documents and notes

DocHub alternatives

2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

SteveTheKiller/KillerPDF3,288GPL-3.0A free Windows PDF editor for viewing, annotating, signing, filling, merging, splitting and flattening PDFs.Open on GitHub mrmn2/PdfDing1,835AGPL-3.0Self-hosted web PDF manager offering viewing, editing, annotation, and cross-device document workflows.Open on GitHub

What you give up either way

Enterprise compliance certifications (SOC 2, HIPAA, PCI DSS)
Polished, battle-tested UI and large-scale reliability
Deep Google Workspace and cloud-storage integrations
Document-level audit/evidence provided by vendor

An open-source project doing the core job proves a replacement is possible. It does not prove it matches DocHub, and it does not prove anyone has run it for a month. How we decide.