These are the results of the "personal tech stack survey". I've included only the most popular mentions, maybe it can help you find one or two useful tools for your own usage.

Desktop environment

pie title Desktop environment
    "Gnome" : 16
    "i3": 2
    "sway": 2
    "awesome": 1
    "bspwm": 1
    "mate": 1
    "xfce": 1

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Gnome dominates (unsuprising, it's the Ubuntu default), but quite a few people use tiling window managers, most popular i3 Show archive.org snapshot and the mostly i3-compatible sway Show archive.org snapshot .

Shell

pie title Shell
    "bash" : 14
    "zsh": 6
    "fish": 2

Again, "bash" dominates as the default.

Popular command line tools (>= 4 mentions)

• tig Show archive.org snapshot (17 users)
  Command line UI for git.
• htop Show archive.org snapshot (10 users)
  An improved "top".
• fzf Show archive.org snapshot (8 users)
  Provides super-fast fuzzy-finding in various contexts (for example for shell command history).
• Oh my Zsh Show archive.org snapshot (6 users)
  Plugin-based framework to improve your ZSH shell.
• ag (the silver searcher) Show archive.org snapshot (4 users)
  A much faster grep, that honours your .gitignore.
• ripgrep Show archive.org snapshot (4 users)
  Another much faster grep, also honouring your .gitignore.
• bat Show archive.org snapshot (4 users)
  "cat" with syntax highlighting and other niceties.
• httpie Show archive.org snapshot (4 users)
  A much nicer "curl".
• starship Show archive.org snapshot (4 users)
  Powerful prompt, that shows git status, ruby and node versions and much more.

Editors (>= 4 mentions)

pie title Editors
    "RubyMine" : 14
    "vim": 11
    "neovim": 5
    "VS code": 4

Apparently emacs lost.

VIM plugins

Vim plugins are all over the place. Some multiple mentions include

• fzf.vim Show archive.org snapshot
  Fuzzyfinder integration with vim, allows for quick project wide file search.
• ALE (Asynchronous Linting Engine) Show archive.org snapshot
  On the fly linter and language server client for vim. (Note that neovim has LSP support built-in).
• vim-airline Show archive.org snapshot
  A nicer statusline.