Why choose Twister?
Since Portal integrates different applications, everyone is responsible for their own work on Portal, so Portal uses a workflow engine that complies with the BPEL4WS protocol to integrate the work on different platforms.
There are a lot of open source projects that meet the BPEL4WS standard, but it is worth noting that their license is not the same.
Twister is based on the GNU.
ActiveBpel If you use it as a commercial, you need to buy it, please refer to its license.
Good text link: the big workflow
