Open-Source software (OSS)
Open-source software (OSS) is computer software with its source code made available with a license in which the copyright holder provides
the rights to study, change, and distribute the software to anyone and for any purpose. Open-source software may be developed in a collaborative
public manner. Open-source software is the most prominent example of open-source development and often compared to (technically defined)
user-generated content or (legally defined) open-content movements.
Wikipedia
Restreamer is released as open source under the Apache License.