WordPress is a very popular platform for publishing websites. Almost all features that one can expect from a website are provided in the form of open source plugins and themes. Adding new features to a website is as easy as installing a plugin and configuring it.
ModSecurity is a an open source Web Application Firewall (WAF). It can detect as well as prevent attacks to web applications. Initially released as an Apache web server module, ModSecurity now supports all major Web Servers including IIS, Nginx and Apache.
SQlite3 is a lightweight relational database that can be used in place of relational database servers such as MySQL and PostgreSQL. SQLite3 databases are commonly used in Mobile applications. In contrast to most relational databases, a SQLite3 database is a single independent file. The file has a .db extension. Most programming languages such as Python and PHP provide libraries for accessing SQLite3 databases.