Free and open-source graphical interface for pdftk (PDF Toolkit), a command-line tool used to manipulate PDF files.
Advanced PDF editing solution that offers a wide range of features.
Free utility to convert PDF files, extract texts from PDF files, in addition to many other features.
Free software for Windows that allows scanning and saving documents in PDF format.
Create PDF files from virtually any application.

Utility to extract and merge pages from PDF files.
Utility for Windows developed to allow the replacement of specific text in PDF documents.
Application developed by Meta to meet the needs of small and medium-sized businesses, allowing for efficient and professional communication with customers.
Alternative app to YouTube that blocks ads, replicates Premium features, and adds zoom and themes.
WhatsApp mod that offers a customizable experience, focusing on visual adjustments and extra features.
Linux distribution that allows transforming common hardware into a robust personal server.