That was a clone of Replit that we made work at Codecademy. I started working on Replit (or repl.it) back when I was a student in Jordan. I didn't have a laptop so every time I wanted to get some programming done I had to setup a development environment at the university or at work. The idea for Replit was when you needed a repl to do some coding you should easily get one from anywhere including a mobile device. I thought it would benefit many people, especially those who don't have the means to buy expensive computers.
It took 2 years of work to get something working and in 2011 we launched on HN (2011 web archive snapshot here https://web.archive.org/web/20111007050930/http://repl.it/ and HN launch here https://news.ycombinator.com/item?id=3056490). It was the first of its kind and it inspired a lot of projects and still does today. It was totally open-source (https://github.com/replit-archive/repl.it) and after the launch it was used as infrastructure by Codecademy (which later employed me) and Udacity and many others to deliver interactive coding in the browser. I was thrilled about that.
Now, a lot of people implicitly assume that in a dispute between for-profit company and an open-source project, the for-profit company must be in the wrong. But there is some line that it's unethical to cross in copying a former employer's product (if you don't believe that, you can stop reading now, because no argument will convince you) and I think to someone who knew Replit's architecture well, this project would clearly
be across it. It copied even unique, invisible aspects of Replit's architecture that I consider to be flaws. That's the hallmark of copying versus merely writing one's own program to solve the same problem.
It took 2 years of work to get something working and in 2011 we launched on HN (2011 web archive snapshot here https://web.archive.org/web/20111007050930/http://repl.it/ and HN launch here https://news.ycombinator.com/item?id=3056490). It was the first of its kind and it inspired a lot of projects and still does today. It was totally open-source (https://github.com/replit-archive/repl.it) and after the launch it was used as infrastructure by Codecademy (which later employed me) and Udacity and many others to deliver interactive coding in the browser. I was thrilled about that.
Now, a lot of people implicitly assume that in a dispute between for-profit company and an open-source project, the for-profit company must be in the wrong. But there is some line that it's unethical to cross in copying a former employer's product (if you don't believe that, you can stop reading now, because no argument will convince you) and I think to someone who knew Replit's architecture well, this project would clearly be across it. It copied even unique, invisible aspects of Replit's architecture that I consider to be flaws. That's the hallmark of copying versus merely writing one's own program to solve the same problem.