Trello

Trello is a web-based application for creating lists in Kanban style which is a subsidiary of Atlassian. Originally created by Fog Creek Software in 2011, it was developed in 2014 to form the basis of a separate company and later sold to Atlassian in January 2017. The company is based in New York City.

Source: Wikipedia
Translated from Dutch with Google Translate

Trello e-learning courses and online training for the end user and IT professional.

OEM Office Elearning Menu offers Trello e-learning courses and related online courses to also prepare you online for a corresponding certification. Certified teachers with many years of practical experience. In addition, we also offer depending on the course Exam quizzes, Online mentor (if available) via chat or e-mail, MeasureUp exam simulation (if available (sometimes extra charge)), Live Labs (if available (extra charge)) and Tips and Tricks On.