Haystack Search - Haystack helps you make the most of your time, by searching all your files and documents in the cloud in one place. It's been built for privacy from the ground up, so your data isn't stored on a server, just your computer.

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.

PDF Search for Mac - Search documents using Artificial Intelligence

PDFChef by Movavi - Edit and convert PDF files online, right in your browser

Typesense - Typo tolerant, delightfully simple, open source search 🔍

KDAN Mobile PDF Reader - PDF Reader is the one app you can rely on when you need a portable solution to work with PDFs.