The acronyms BAPP (or B.A.P.P.) and BAMP (or B.A.M.P.) refer to a set of open-source software programs commonly used together to run dynamic web sites or servers. This set is a solution stack, and an open source web platform. BAPP refers to: * BSD, family of operating systems; * Apache, the web server; * PostgreSQL, the database management system (or database server); * Perl, PHP, Python, and/or Primate (mod mono), scripting/programming languages. BAMP refers to: The two acronyms have three major uses: