I’m a data scientist, who dabbles in web development and software engineering.
I have a number of computing devices I use for different uses.
For coding, I use a number of tools depending on the context and language. For R, I use RStudio. For Python, I’ll use PyCharm. For everything else, I’ll use either Emacs or Vim. If I’m accessing a server, I will depend on a combination of Vim and tmux.
For everyday internet browsing, I use Firefox.
I put all my todo lists in a plain-text file using Emacs and Org-Mode. Org-mode is like Markdown, but Emacs-specific and still wonderfully flexible. To access some relevant files on my phone, I used Orgzly.
For writing, I primarily use Emacs and org-mode.
I use a combination of a physical Kindle and the LibbyApp. The Kindle is to read textbooks or books that require some time to think in between pages. The LibbyApp is helpful for audiobooks and magazines.