Open source makes the technology world go ’round, forming as much as 90% of the modern software stack via frameworks; libraries; databases; operating systems; and countless stand-alone applications.

For every yin, there’s a yang; for every action, a reaction; and for every piece of proprietary software, there’s an open source alternative. Or something like that. There are potential downsides to ...

Borrowing a page from the recently revised Microsoft playbook, development tools maker Telerik has released as open source the bulk of its Kendo software library of components for building Web and ...