OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL open source licenses.

EncryptPro handles the basics of encrypting your important files at no charge, while a subscription gets you enhanced features and convenience. It’s a bit rough around the edges, but it shows great ...

This included some of the first homomorphic encryption. In his book Digital Cash, Peter illustrates how techniques like a blockchain can be used establish an efficient digital economy. And in Policing ...

Each profile below follows the same structure: what the library is, a code example performing the standard task (create workbook, write data, save), its genuine strengths and limitations, and who ...

Infrastructure as Code (IaC) has become a core part of DevOps in 2026, especially as enterprises move deeper into cloud, containerisation, and automated deployment pipelines. With teams managing ...

This tutorial attempts to guide you through setting up HTTPS on Plan. Let's Encrypt is a free certificate authority that allows you to get a certificate for you domain easily. They maintain Certbot ...

An important aspect of securing any system is the concept of “defense-in-depth,” or having multiple layers of security and not depending on any one approach or technology to block all attacks. Here ...