Mindey, 
Open-Source Tax
Just like there is a carbon tax to care about making oil companies care about environment, the "Open Source Tax" would be a tax, that is applied to companies for using open source software, and re-distributed to foster open source ecosystem.
+[企画]
たぶん研究税もあるはずで、研究者（特に公立大学）は公衆のために善を生み出します。
Maybe there should be also research tax, cause researchers (esp. in public universities) create good for the public.
オープンソースソフトウェアに再投資する方法が必要です。以前、オープンソースのサブスクリプションについて考えました。しかし、それが無料であると思われるときに人々にそれを支払うようにさせる...
There does need to be a way to re-invest in open source software. I thought of an open source subscription before. But getting people to pay for it when it seems free....