be hit by a truck (or quit) before a project is incapacitated ANOTHER WORST CASE Ever heard of the truck factor? Table 2: Truck Factor results TF Repositories 1 alexreisner/geocoder, atom/atom-shell, bjorn/tiled, bumptech/glide, celery/celery, celluloid/celluloid, dropwizard/dropwizard, dropwizard/metrics, erikhuda/thor, Eugeny/ajenti, getsen- try/sentry, github/android, gruntjs/grunt, janl/mustache.js, jr- burke/requirejs, justinfrench/formtastic, kivy/kivy, koush/ion, kriswallsmith/assetic, Leaflet/Leaflet, less/less.js, mailpile/Mailpile, mbostock/d3, mitchellh/vagrant, mitsuhiko/flask, mongoid/mongoid, nate-parrott/Flashlight, nicolasgramlich/AndEngine, paulas- muth/fnordmetric, phacility/phabricator, powerline/powerline, puphpet/puphpet, ratchetphp/Ratchet, ReactiveX/RxJava, sandstorm- io/capnproto, sass/sass, sebastianbergmann/phpunit, sferik/twitter, silexphp/Silex, sstephenson/sprockets, substack/node-browserify, thoughtbot/factory_girl, thoughtbot/paperclip, wp-cli/wp-cli 2 activeadmin/activeadmin, ajaxorg/ace, ansible/ansible, apache/cassandra, bup/bup, clojure/clojure, composer/composer, cucumber/cucumber, driftyco/ionic, drupal/drupal, elas- ticsearch/elasticsearch, elasticsearch/logstash, ex- cilys/androidannotations, facebook/osquery, facebook/presto, FriendsOfPHP/PHP-CS-Fixer, github/linguist, Itseez/opencv, jadejs/jade, jashkenas/backbone, JohnLangford/vowpal_wabbit, jquery/jquery-ui, libgdx/libgdx, meskyanichi/backup, netty/netty, omab/django-social-auth, openframeworks/openFrameworks, plataformatec/devise, prawnpdf/prawn, pydata/pandas, Re- spect/Validation, sampsyo/beets, SFTtech/openage, sparklemo- tion/nokogiri, strongloop/express, thinkaurelius/titan, ThinkU- pLLC/ThinkUp, thumbor/thumbor, xetorthio/jedis 3 bbatsov/rubocop, bitcoin/bitcoin, bundler/bundler, divio/django-cms, haml/haml, jnicklas/capybara, mozilla/pdf.js, rg3/youtube-dl, mrdoob/three.js, spring- projects/spring-framework, yiisoft/yii2 4 boto/boto, BVLC/caffe, codemirror/CodeMirror, gra- dle/gradle, ipython/ipython, jekyll/jekyll, jquery/jquery 5 iojs/io.js, meteor/meteor, ruby/ruby, WordPress/WordPress 6 chef/chef, cocos2d/cocos2d-x, diaspora/diaspora, em- berjs/ember.js, resque/resque, Shopify/active_merchant, spotify/luigi, TryGhost/Ghost 7 django/django, joomla/joomla-cms, scikit-learn/scikit-learn 9 JetBrains/intellij-community, puppetlabs/puppet, rails/rails 11 saltstack/salt, Seldaek/monolog, v8/v8 12 git/git, webscalesql/webscalesql-5.6 13 fog/fog 14 odoo/odoo 18 php/php-src 19 android/platform_frameworks_base, moment/moment 23 fzaninotto/Faker 56 caskroom/homebrew-cask 130 torvalds/linux 250 Homebrew/homebrew https://peerj.com/preprints/1233.pdf The higher the TF the better! Only a handful of projects with a high TF… TRUCK FACTOR RESULTS: 64% OF PROJECTS RELIED ON 1-2 DEVS TO SURVIVE - Look at the 133 most active projects on GitHub - Determine the amount of information concentrated in individual team members from commits.