KDAN Mobile PDF Reader - PDF Reader is the one app you can rely on when you need a portable solution to work with PDFs.
Vimium - The Hacker's Browser.
Jotform PDF Editor - Automatically create polished, designed documents
hunt-n-peck - Simple vimium/vimperator style navigation for Windows applications based on the UI Automation...
DocParser - Extract data from PDF files & automate your workflow with our reliable document parsing software. Convert PDF files to Excel, JSON or update apps with webhooks.
Tridactyl - Replace Firefox's default control mechanism with one modelled on the one true editor, Vim.