It is a programming language, it is seen to be quite powerful, the company behind it is .
According to what they say, it is the software used in the ministry and other large institutions.
The definition of COSMOS given by Transtools is as follows:
Cosmos is made up of a set of programming tools specialized in business applications, indicated both for corporate environments and for departmental and personal installations.
Cosmos includes a highly productive RAD (Rapid Application Development) environment for generating screen layouts, menus, and reports; a fourth-generation object-oriented language, and a relational database manager with an SQL interface, all accompanied by a powerful set of auxiliary tools.
The only drawback it presents is the lack of help on the internet and that it has great difficulty using ACTIVX.