phpList is free and open-source software subject to the terms of the GNU Affero General Public License (AGPL).

The documentation detailing the functions and features of the software is available in English and is partially translated into Spanish, French, and Dutch.

It is a useful tool to make information campaigns for large companies, associations, or small projects with a wide audience.

[citation needed] The software was developed for Linux, Apache and MySQL, but is also compatible with OpenBSD, FreeBSD, OS X, and Microsoft Windows.

With its support for ADOdb it is possible to extend the connectivity to other databases such as PostgreSQL, Microsoft SQL Server, SQLite, Sybase, IBM DB2, and Oracle.