LibreOffice – Base is an open source application, part of LibreOffice suite, that is similar with Microsoft Access.
Is a database management interface that enable users to create, edit and maintain different types of databases such as MySQL, MS Access, PostgreSQL. You can use it to connect almost to any type of database.
It has an interface that allows to create easily queries, generate reports, create tables and forms, insert data. Can import data from other files.