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
Description: KeepNote is an open-source note taking and organization program. It provides a simple tree-based notebook metaphor for storing notes and information in a hierarchical structure much like folders on a file system.
Type: software
Pricing: Open Source