doo
Todoist
Mendeley
Zotero
EndNote
BibDesk
Docear
Papers
Foxit Reader
Adobe Acrobat DC
Wondershare PDFelement
Foxit PhantomPDF
Sumatra PDF
PDF-XChange Editor
Adobe Reader
Xodo
Foxit ReaderFoxit Reader is recommended for users who need a versatile and efficient PDF reader that is not resource-intensive. It is particularly useful for professionals, students, and anyone who frequently works with PDFs and values having annotation and security tools without the need for extensive editing capabilities or higher-cost software solutions.
Comparatively better than other apps
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Wondershare PDFelement - All-in-one PDF editor
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.