Software I use for production (from most to least): PhpStorm, Adobe Creative Cloud, LibreOffice, Processing, Notepad++, GIMP, DrawBot.
Technologies, languages, and standards: HTML (Living Standard) Sass, CSS, Git, SVG, JSON-LD, Open Graph, PHP, npm, Composer, gulp.js, Grunt, webpack, CakePHP, Symfony, MySQL, LaTeX, Markdown, Twig, Unicode, XML, Python, YAML, Less.js, JavaScript, MathML, ImageMagick, React, WebGL.