From Evil to Good: List of Formerly Closed-source Software

“Increasing number of software applications are going the
free/open-source way these days. Looks like more and more software
companies and developers have seen the barriers of closed-source
programs and have now fully realized the significance of
freedom.

“Here are some of the most notable software packages which were
published under a proprietary software license but later released
as free and open source software. Note that some software from this
list are still published commercially alongside their free and
open-source version…”

Complete Story