- Markup and typesetting systems - Produce printed or digital documents aesthetically pleasing with readable typography
- Regular Expressions - Search, extract and manipulate text in a specified pattern
- Programming Languages - Communicate instructions between humans and computers
- Markdown - Write plaintext in a centralized location and generate to PDF, Jupiter notebooks, web pages, social media posts
- Code aesthetics and refactoring
- Git - Track changes, collaborate, and backup
- Unicode characters - Push files to the top of bottom of the list in alphabetical sorting
- Obsidian - Organize, link, and explore their thoughts, ideas, and information through a system of interconnected notes