The best PDF & Documents
Every option ranked — open-source, self-hostable, and commercial — by our transparent Sovereignty Score, with honest trade-offs so you choose what fits you, not us.
PDF editors and document tools — self-hosted, free, and fairly-priced commercial options compared against the subscription heavyweights.
L5Applications — layer 5 of the AI stack- 1
Stirling PDF
Top pickOpen sourceA complete PDF toolbox on your own server — 50+ tools, MIT core.
Free (MIT core) — self-host via Docker; optional paid enterprise tiers · in our Adobe Acrobat Pro comparison →
What is Stirling PDF? →90sovereignty - 2
LibreOffice Draw
Open sourceThe editor you may already have — real PDF text edits, free.
Free, open-source · in our Adobe Acrobat Pro comparison →
What is LibreOffice Draw? →88sovereignty - 3
PDF24 Creator
CommercialThe widest genuinely-free toolset — desktop and browser, no signup.
Free for personal and business use; ad-supported online tools · in our Adobe Acrobat Pro comparison →
What is PDF24 Creator? →55sovereignty - 4
UPDF
CommercialPartnerThe modern commercial editor — one-time $79.99 vs $240 every year.
~$35/yr or $79.99 one-time perpetual license · in our Adobe Acrobat Pro comparison →
What is UPDF? →40sovereignty
Is it free?
The free tier, its real limits and where you start paying — read from each vendor's own pricing page and dated.
Run these yourself
What each one actually needs — real RAM, honest running cost, and the setup time nobody quotes.
- Self-hosting Stirling PDF 4 GB for light use, 8 GB if people OCR scans or convert Office files. The docs say a 50 MB PDF can grow to 200–500 MB in memory, and LibreOffice and Tesseract run outside the Java heap, so set the container limit to at least 1.5× -Xmx.
Replacing a specific tool?
Head-to-head comparisons for each popular pdf & documents product.
Straight head-to-heads
Two pdf & documents tools, side by side — verified facts and a plain verdict.