Depending of the sort of software, but for common administrative systems, with plenty of CRUD's and relationship between data, with no doubts PHP. Reasons: -

Depending of the sort of software, but for common administrative systems, with plenty of CRUD's and relationship between data, with no doubts PHP. Reasons: - GroceryCRUD (https://www.grocerycrud.com/ https://www.grocerycrud.com/) make really easy and fast to develop CRUD transactions. - Run in any hosting, even shared hosting. - It's open and free. - It's mature. - Have lots of libraries and classes and code examples. - Work with almost any database. - etc.