🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.

OpenRefine is a free, open source power tool for working with messy data and improving it

Bitcoin Optech website

Building lapps, running lnd, and more

A free, online learning platform to make quality education accessible for all.