StackEdit – In-browser markdown editor
stackedit.io/Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
proselint
proselint.com/A linter for prose.
Notational Velocity
notational.net/Notational Velocity: modeless, mouseless Mac OS X note-taking application
¿©hara¢ter(s)! | A typographic cheat sheet.
characters.viktornuebel.com/A typographic cheat sheet. Simple overview page for special characters and their shortcodes. Comes as an easy to use web app.
All Flags Profile Photo Converter
allflags.world/Add all flags of countries attacked by ISIS to your profile photo
mledoze/countries
github.com/mledoze/countriesWorld countries in JSON, CSV, XML and Yaml
ShareLaTeX, the Online LaTeX Editor
sharelatex.com/An online LaTeX editor that's easy to use. No installation, real-time collaboration, version control, hundreds of LaTeX templates, and more.
SpaCy.io | Industrial-strength Natural Language Processing
spacy.io/spaCy is a library for industrial-strength text processing in Python. If you're a small company doing NLP, we want spaCy to seem like a minor miracle.
Use & Modify
usemodify.com/collection of libre/open source fonts, made by Raphaël Bastide