*Development*:
  URxvt-unicode
  vim on Linux
  Sublime Text 3 on Windows
  Python (and a lot of libs, mainly, requests, Flask, AutobahnPython, Twisted)
  Rust (my new shiny tool)
  C/C++ (sometimes, but I try to avoid it)
  Frontend JavaScript (It has been a long time since I've written some ES5, I write only ES6 thanks to Babel)
  Node.js
  Webpack
  React.js
  Crossbar.io
  Git + GitHub
  Zsh (prezto framework)
  Fish (on servers sometimes)
  tmux (a.k.a the productivity booster)
  virtualenvwrapper (must-have for Python & virtualenv)
  nvm (must-have for Node.js & NPM)
  rvm (must-have for Ruby)
  fasd (when cd isn't enough, j somewhere)
  
  *Fonts*:
  Monoid whenever I can.
  Source Code Pro.
  Else, whatever can do the job.
  
  *OSes*:
  Debian on Server
  Archlinux, Debian, Windows 7 on laptop (1st, fallback on others...)
  I try to use the most appropriated OS for containers (Docker)
  
  *Services*:
  PostgreSQL OR RethinkDB whenever I can. SQLite when I can't.
  Redis
  Docker (+ dockercli)
  Docker-Compose
  nginx
  
  *SaaS*:
  Slack
  Inbox
  TweetDeck
  Asana
  Hacker News (the worst one :c)