Open Source SimPDF Alternatives
SimPDF is described as 'lets you edit PDF documents like a word document. Never before editing a PDF had been so easy!'. There are more than 50 alternatives to SimPDF for various platforms. The best alternative is Skim, which is both free and Open Source. Other great apps like SimPDF are PDFedit (Free, Open Source), PDF Rider (Free, Open Source), PdfMod (Free, Open Source) and PoDoFoBrowser (Free, Open Source).
- Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file. View 64 alternatives to Skim
- Free • Open Source
- Mac
- Free (and open source) editor for manipulating PDF documents. GUI version + commandline interface. View 74 alternatives to PDFedit
Discontinued
The project is no longer developed. Last version, 20140526_1531, released in May 2014, can be still downloaded from SourceForge.
- Free • Open Source
- Windows
- Linux
- PDF Rider is a GUI for "pdftk" and allows you to make some simple manipulations to PDF documents. It is written in c#/.net 3. View 65 alternatives to PDF Rider
- PDF Mod is a simple application for modifying PDF documents. View 77 alternatives to PdfMod
Discontinued
The program seems no longer updated. Last release, 0.9.1, was released on March 3, 2011 and only translations have been done on the project since then. It can be still downloaded from the official website.
No screenshots yet- Free • Open Source
- Linux
- BSD
- PoDoFoBrowser is a graphical browser and editor for the object structure of PDF files. View 105 alternatives to PoDoFoBrowser
- This free online tool switches the black pixels in PDFs to dark blue or another color that is not black. It makes printing without black ink possible. View 13 alternatives to PDF Colorizer
- Dark Mode PDF reader. View 91 alternatives to NightPDF