JavaScript - Lightweight, interpreted, object-oriented language with first-class functions
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
PHP - A popular general-purpose scripting language that is especially suited to web development
Slack - A messaging app for teams who see through the Earth!