(This may be more of an argument against small open source projects than an argument for proprietary software — but at least you can look into the books of large software companies and make an informed decision as to whether they're likely to be around in a few years to honor any commitments they give you.)
Don't Be Too Dogmatic About Open Source Software
The lesson here: While open source software may often — and even usually — be a better choice than functionally similar proprietary offerings, it doesn't make sense to be too dogmatic about it.
"As a practical matter, I think that many people would prefer to have everything open, especially in light of the recent revelation about the NSA spying on machines through USB chips," Wasserman says. At the same time, though, many of those who prefer open source will make exceptions when there are no practical alternatives — not to mention their use of Mac and iOS devices ... "
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