For anyone looking for a free similar alternative (no swing), I can recommend doppio. I used doppio to provide an online version of the open source language int

For anyone looking for a free similar alternative (no swing), I can recommend doppio. I used doppio to provide an online version of the open source language interpreter I am building, you can try it here: https://www.timestored.com/jq/online/ https://www.timestored.com/jq/online/ The main pain is that it's really really slow to load on firefox.