SumatraPDF

OpenAltFinder Web tool suites GPL-3.0

Lightweight, free PDF, eBook, and comic reader for Windows that launches instantly and stays out of the way; multi-format support with minimal interface.

Images: files.sumatrapdfreader.org

Price Free (at collection) collected 2026-11-10

Get it free ↗

Stars: 17,955

Compiled by us from public information on openaltfinder.com. Prices and figures are as of collection time.

Verification checklist

Passed 5 of 13 checks

If you are unsure whether it will actually run, this is for you: we gathered public information, checked it automatically, and visited some of it directly. Anything we could not confirm stays marked "Not verified".

39Quality score

Finished product A complete product you install and use as-is (not a library, plugin or template). Pass Source lists finished products only (OpenAltFinder) Automatic · 2026-11-09
Clear license Usage terms are clear (open-source license or marketplace license). Pass GPL-3.0 Automatic · 2026-11-09
Runs with Docker Can be started with Docker (image or compose). Not verified No Docker files found in the repository Checked directly · 2026-10-31
Online demo A demo you can click through. Once measured, we also confirmed it responds. Not verified No demo URL Automatic · 2026-11-09
Install guide Installation or setup instructions exist. Not verified README has no install section Checked directly · 2026-10-31
Real screens We keep copies of real product screens. Pass 3 screens kept Automatic · 2026-11-09
Proven usage Exceeds at least one of 500 GitHub stars · 100 sales · 10,000 monthly downloads. Pass 17,955 GitHub stars Automatic · 2026-11-09
Highly rated Rated 4.0 or higher by at least 5 reviewers. Not verified Too few reviews Automatic · 2026-11-09
Recently updated Updated within 12 months. Pass Last update 2026-11-07 Automatic · 2026-11-09
Self-hostable You get the source and can install it on your own server. Not verified No install information Automatic · 2026-11-09
API Integrates with other systems via API or webhooks. Not verified Not mentioned Automatic · 2026-11-09
Multilingual Supports multiple languages (translations, RTL). Not verified Not mentioned Automatic · 2026-11-09
Mobile ready Responsive screens or mobile apps. Not verified Not mentioned Automatic · 2026-11-09

Results are judged automatically from public information we collected, and some were confirmed by visiting directly. We do not guarantee how the product works.

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