As a database, SQLite was used in the beginning, but was later replaced with MySQL. ISVU2Aleph is installed on the web server running Debian GNU/Linux operating system and Apache HTTP Server.
Finally, in the development of version 2.0, CodeIgniter, modern web application framework, written in PHP, was used. CodeIgniter supports Model-View- Controller architectural pattern, provides Active Record database abstraction layer with support for all major relational database systems, follows “Don’t repeat yourself” principle by offering numerous useful classes and helpers and promotes “Convention over configuration” concept by offering (but not enforcing) set of default configurations.