Hi, there are a lot out there, some of them free some of them with a trial or limited functionalities, the one I prefrer is PDF Architect, it seems to have been renamed Soda PDF recently.
Here is a list:
- Adobe Acrobat DC : Market leader with full editing, conversion, annotation, and digital signature capabilities.
- Foxit PhantomPDF : Powerful alternative to Adobe with good editing, collaboration, and security capabilities.
- Nitro Pro : Offers robust editing and conversion capabilities with a user-friendly interface.
- PDF-XChange Editor : Lightweight and fast, with advanced annotation and OCR tools.
- PDFelement : Intuitive user interface and affordable price, with robust editing and conversion features.
- Smallpdf : Cloud-based with a simple interface, ideal for common PDF management tasks.
- Sejda PDF Editor : Online and offline editing tools, with a simple user interface.
- PDF Architect : Modularity allowing you to buy only the features you need, with good editing and conversion options.
- Soda PDF : Online and desktop solutions, with editing, conversion, and collaboration features.
- Able2Extract Professional : Specializes in converting PDFs into various formats, with editing and authoring tools.
- PDFescape : Free online with basic editing features, and a desktop version for advanced functionality.
- Sumatra PDF : Lightweight, open-source PDF reader, mainly for file viewing.
- Preview (Apple) : Integrated with macOS, with basic features for viewing, editing, and signing PDFs.
- Master PDF Editor : Advanced editing tools and security options, available for Windows, macOS, and Linux.
- Nuance Power PDF : Known for its editing and conversion capabilities, with collaboration tools.
- PDFsam (PDF Split and Merge) : Open source, mainly for merging and splitting PDF files.
- iLovePDF : Online service with various tools for editing, converting, and compressing PDF files.
- PDF Studio : All-in-one solution for PDF creation, editing, and annotation, compatible with several platforms.
- Kofax Power PDF : Advanced editing, conversion, and security tools, aimed at the enterprise.
- LibreOffice Draw : Open source and free, offers basic PDF editing features.