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SKillerPDF
Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.
Popularity
Repository stars4,30190,332Highest
7-day net stars——
Fork3428,449Highest
30-day trendInsufficient historyInsufficient history
Maintenance
Last push2026-11-022026-11-02
Maintenance notesNot verifiedNot verified
Repository created2026-04-162013-07-04
License & use
LicenseGPL-3.0 · Share derivative sourceApache-2.0 · Permissive
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeDeveloper tools · Office & knowledgeDeveloper tools · Office & knowledge
TypeFrameworks & SDKsFrameworks & SDKs
SubcategoryDocument & content processingDocument & content processing
PlatformNot verifiedNot verified
Cost detailsCheck current official software, hosting, model and infrastructure pricing.Check current official software, hosting, model and infrastructure pricing.
Pricing source——
First collected2026-11-032026-11-03
MetricRepository stars, not unique users or individual-skill installsRepository stars, not unique users or individual-skill installs
LanguageC#Go
About this projectFree and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.Author description: The world’s fastest framework for building websites.
Measured at2026-11-03 09:38 UTC2026-11-03 08:24 UTC
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Ranked by repository stars, one position per repository. Stars and forks are not user counts.