While this is largely focused on K-12 music education I think it is also very relevant to music and music education generally. Electronic music composition does not have to equal apple and their products. We can build new music tools and instruments ourselves.
Sonic Pi. Audible Computing. A free live coding synth for everyone originally designed to support computing and music lessons within schools. Use code to compose and perform in classical and contemporary styles ranging from Canons to Dubstep.
We love when we're able to contribure to open source projects from other organizations. Recently, we contributed to Bitly's open source google_auth_proxy to support our Hub and MyUSA applications, and our contribution has already helped other OAuth2 providers.