- Don’t open source anything that represents core business value.
- Open source general purpose tools that can be used by all kinds of people and companies to build all kinds of things
http://tom.preston-werner.com/2011/11/22/open-source-everything.html
if the software doesn’t represent a competitive advantage, the follow on benefits of releasing it as open source software - whether it’s general goodwill, amortizing development costs, greater efficiencies in hiring and recruitment, etc -are believed to outweigh the costs. -https://news.ycombinator.com/item?id=3268531
If in doubt consult your physician