Description: Desygner is an open-source graphic design and prototyping tool that allows users to create designs, wireframes, diagrams, illustrations, and more without advanced design skills. It has an intuitive drag-and-drop interface with various ready-made templates and assets.
Type: software
Pricing: Open Source
Description: JSignPdf is an open source Java library that allows developers to digitally sign PDF documents programmatically. It supports features like visible and invisible signatures, time stamping, multiple signatures, and more.
Type: software
Pricing: Free