The library, now under the care of the Microsoft Open Technologies subsidiary, itself is now under a Apache 2.0 license, and the code base is maintained on GitHub.

Microsoft continued its historic open source efforts by announcing it will donate the technology behind its Chakra JavaScript engine to the community -- and solicit outside help in making it cross ...

Microsoft open sources ChakraCore, Windows 10's Edge web browser JavaScript engine. More amazing still, Microsoft will port it to Ubuntu Linux.

At release, the code will be Windows-only, but Microsoft will be working to make ChakraCore cross-platform—just as it did when making .NET open source.