Is there a truly free PDF editor?

Related questions

1. What software can open PDF files?
2. Can I edit a PDF file in Word?
3. Are PDFs open source?
4. Why do my PDF files open in Word?
5. Can you convert PDF to Word?
6. Why are my PDF files opening in Word?
7. Why my pdf file is not opening?
8. How do I open a PDF file without opening it?

Tags

1. #fields
2. #change
3. #images
4. #editor
5. #completely
6. #pages
7. #offline
8. #using
9. #truly
10. #links
11. #pdfescape
12. #exceed
13. #called