Description: PDF-XChange Viewer is a free PDF reader and editor for Windows. It provides basic PDF viewing and annotation features like adding text notes, highlights, shapes, freehand drawing, and more.
Type: software
Pricing: Free
Description: SelfControl is a free Mac app that helps you avoid distracting websites by blocking access to them for a set period of time. It can help you stay focused and productive when you need to get work done.
Type: software
Pricing: Open Source