MaxiPDF PDF editor & builder

PDFgear is a free PDF editor and viewer that allows editing text and images, managing pages, adding annotations, converting to Word/Excel/PowerPoint, and compressing files.

A PDF editing application with features for digital signatures, annotations, drawing, text editing and password protection.

An application for editing, reading and signing PDF files with support for annotations, drawing, adding text and password protection.

Adobe Acrobat Reader is a PDF viewer with support for comments, signatures, and basic editing (in premium); operates in Russia with restrictions, requires registration and payment, with intrusive feature advertising.

Adobe Scan is a mobile document scanner with OCR that automatically recognizes text and converts photos to PDF files; functionality is limited without a paid subscription, including export and document merging features.

The app converts photos and scanned documents into PDF files with optional image editing, compression and password protection, working fully offline.

The app scans documents through the camera, automatically processes images and saves them as JPEG or PDF, supports OCR for Russian and other languages (with Cyrillic limitations), cloud synchronization and export to various services via subscription.

The app scans documents from a smartphone camera into PDF/JPEG with basic processing (brightness adjustment, cropping, filters), but recent versions have included intrusive advertising that makes the app often unusable.