Preno is a hotel software company that offers cloud solutions for independent hoteliers - offering a PMS, Channel Manager and Booking Engine. Preno is built for hoteliers by hoteliers. Preno is a simple, powerful property management system designed for accommodation providers.

Postgres also known as PostgreSQL, is a free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance. It was originally named POSTGRES, referring to its origins as a successor to the Ingres database developed at the University of California, Berkeley. In 1996, the project was renamed to PostgreSQL to reflect its support for SQL. After a review in 2007, the development team decided to keep the name PostgreSQL and the alias Postgres