Top 10 Open-Source Alternatives to SwifDoo PDF

SwifDoo PDF

At SwifDoo PDF, we provide a useful and quick solution to all your PDF-relevant needs, from editing and organizing to converting and protecting PDFs.

Product categories

API Tools Developer Tools Document Management HTML To PDF Office & Productivity PDF PDF Converter PDF Creator PDF Editor PDF Readers And Editors PDF Tools Productivity

Summary

The top open-source alternatives to SwifDoo PDF are Atril, Ghostscript, and CoolNew PDF. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Atril Landing Page
1

Atril

Atril is a simple multi-page document viewer. Atril is a fork of Evince.
Pricing:
- Open Source
#PDF Tools #PDF Editor #Office & Productivity 21 social mentions
Ghostscript Landing Page
2

Ghostscript

Documentation.
Pricing:
- Open Source
#PDF Tools #PDF Editor #Productivity
CoolNew PDF Landing Page
3

CoolNew PDF

Word to pdf or pdf to word can be easily done with CoolNew PDF. Best pdf editor and totally free pdf reader，easy to use
Pricing:
- Open Source
- Freemium
- Free Trial
- $6.0 / Monthly (Pro,1 user)
#PDF #PDF Tools #PDF Readers And Editors 2 user reviews
Sioyek Landing Page
4

S

Sioyek

Sioyek is a PDF viewer designed for reading research papers and technical books.
Pricing:
- Open Source
#PDF Tools #PDF Editor #iPhone 18 social mentions
Anvil API Suite Landing Page
5

Anvil API Suite

A flexible API for creating, filling, and signing PDFs.
Pricing:
- Open Source
#API Tools #PDF Tools #PDF Conversion API
Geekersoft PDF Editor Landing Page
6

Geekersoft PDF Editor

Professional and comprehensive PDF conversion editing processing software, in addition to supporting PD editing and conversion, also supports a variety of PDF merge/split/signature operations, which can meet our daily work and life various PDF editi…
Pricing:
- Open Source
- Paid
- Free Trial
- $19.99 / Monthly
#PDF Tools #PDF Editor #PDF Creator
Firefox PDF Viewer (PDF.js) Landing Page
7

Firefox PDF Viewer (PDF.js)

PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that...
Pricing:
- Open Source
#PDF Tools #PDF Readers And Editors #PDF Editor 25 social mentions
ONEPDF.online Landing Page
8

ONEPDF.online

ONEPDF is an online PDF editor that allows users to convert, edit, protect, and share PDF files quickly and securely.
Pricing:
- Open Source
- Free
- Free Trial
#PDF Tools #PDF Editor #PDF Creator
Markup: Document Annotation Landing Page
9

Markup: Document Annotation

Turn text into structured data using GPT-4
Pricing:
- Open Source
#PDF Tools #HTML To PDF #eSignature
Unleash Landing Page
10

Unleash

Open source Feature toggle/flag service. Helps developers decrease their time-to-market and to increase learning through experimentation.
Pricing:
- Open Source
- Freemium
- Free Trial
- $80.0 / Monthly (Pro, "5 users")
#Productivity #Software Engineering #Developer Tools 4 social mentions