Vikunja is a performance portable algorithm library that defines functions operating on ranges of elements for a variety of purposes . It supports the execution on multi-core CPUs and various GPUs. Vikunja uses alpaka to implement platform-independent primitives such as reduce or transform.
A lot of renaming was done alpaka version 0.6 @sliwowitz wrote a script to do the API changes automatically: https://gist.github.com/sliwowitz/0a55e1bed6350f7fcae17ef0d430040d
A release should be done before, to keep support for alpaka 0.5