de.lirio.us is based on an open-source project licensed under the GNU General Public License. This means you can host it on your own web server for free, whether it is on the Internet, a private network or just your own computer.

It's software that adjusts the audio levels within your podcast or other audio file for variations from one speaker to the next, for example. It's not a compressor, normalizer or limiter although it contains all three.