DragonOS [cemaxecuter.com] is a Lubuntu-based desktop distribution which is focused on software defined radio (SDR) [wikipedia.org]. The distribution provides a pre-installed suite of the most powerful and accessible open source SDR software. DragonOS has verified support for a range of inexpensive and powerful SDR hardware, including RTL-SDR, HackRF One, LimeSDR, BladeRF, and others. - quote [distrowatch.com] source
Some reviews, features, and tutorials are located here! [rtl-sdr.com]