Description: PDFescape is a free online PDF editor that allows you to view, edit, annotate, fill forms, sign documents, and more with PDF files directly in your web browser. It offers basic PDF editing features for free.
Type: software
Pricing: Freemium
Description: Scilab is an open-source mathematical software that can be used for numerical computations. It provides a programming language and over 2,000 mathematical functions for engineering, scientific, and technical applications like data analysis, signal processing, control systems, and more.
Type: software
Pricing: Open Source