oopsilon is an open source esoteric programming language created in 2017.

Oopsilon is an object-oriented language in the Kayian tradition which is (perhaps uniquely) founded on a negativist philosophy drawing on critical theory and stressing the importance of hermeneutics in understanding the problems programmers experience.

• oopsilon is developed on GitHub and has 8 stars
• oopsilon first developed in https://github.com/Oopsilon