This is the list of github repositories to follow.
http://www.github.com/alexreisner/geocoder geo https://github.com/atom/electron build the desktop app http://www.github.com/bjorn/tiled tile map editor http://www.github.com/bumptech/glide media dock for android http://www.github.com/celery/celery Task queues python http://www.github.com/celluloid/celluloid Actor-based concurrent object framework for Ruby http://www.github.com/dropwizard/dropwizard library for RESTful web services http://www.github.com/dropwizard/metrics http://www.github.com/erikhuda/thor building self-documenting command line utilities http://github.com/ajenti/ajenti Ajenti Core and stock plugins http://www.github.com/getsentry/ Real-time crash reporting http://www.github.com/github/android http://www.github.com/gruntjs/grunt js framework http://www.github.com/janl/mustache.js http://www.github.com/jrburke/ James Burke, requirejs http://www.github.com/requirejs https://github.com/mozilla-b2g/gaia HTML5 based phone UI http://www.github.com/justinfrench/formtastic A Rails form builder plugin with semantically rich http://www.github.com/kivy/kivy Open source UI framework written in Python http://www.github.com/koush/ion Android Asynchronous Networking and Image Loading http://www.github.com/kriswallsmith/assetic Assetic is an asset management framework for PHP http://www.github.com/Leaflet/Leaflet JavaScript library for mobile-friendly interactive maps http://www.github.com/less/less.js http://www.github.com/mailpile/Mailpile fast web-mail client with user-friendly encryption and privacy features http://www.github.com/mbostock/d3 http://www.github.com/mitchellh/vagrant vm for building and distribute env http://www.github.com/mitsuhiko/flask microframework for Python based on Werkzeug and Jinja2. http://www.github.com/mongoid/mongoid ODM (Object-Document-Mapper) framework for MongoDB in Ruby. http://www.github.com/nate-parrott/Flashlight Mac OS X spotlight search plugin system http://www.github.com/nicolasgramlich/AndEngine Free Android 2D OpenGL Game Engine http://www.github.com/paulasmuth/ visualize time series data in sql. http://www.github.com/phacility/phabricator web applications to track app status. http://www.github.com/powerline/powerline a statusline plugin for vim http://www.github.com/puphpet/puphpet simple GUI to set up virtual machines for PHP development http://www.github.com/ratchetphp/Ratchet A PHP 5.3 library for asynchronously serving WebSockets http://www.github.com/ReactiveX/RxJava Java VM implementation of Reactive Extensions https://github.com/sandstorm-io/sandstorm personal cloud platform https://github.com/sandstorm-io/capnproto Cap'n Proto serialization/RPC, like protocol buffer http://www.github.com/sass/sass Css http://www.github.com/sebastianbergmann/phpunit http://www.github.com/sferik/twitter twitter info http://www.github.com/silexphp/Silex http://www.github.com/sstephenson/sprockets http://www.github.com/substack/node-browserify require.js + browserify http://www.github.com/thoughtbot/factory_girl http://www.github.com/thoughtbot/paperclip http://www.github.com/wp-cli/wp-cli wordpress command line. http://www.github.com/activeadmin/activeadmin http://www.github.com/ajaxorg/ace Ajax.org Cloud9 Editor http://www.github.com/ansible/ansible http://www.github.com/apache/cassandra cassandra http://www.github.com/bup/bup http://www.github.com/clojure/clojure http://www.github.com/composer/composer http://www.github.com/cucumber/cucumber http://www.github.com/driftyco/ionic http://www.github.com/drupal/drupal http://www.github.com/elasticsearch/ http://www.github.com/elasticsearch/logstash http://www.github.com/excilys/ http://www.github.com/androidannotations http://www.github.com/facebook/osquery http://www.github.com/facebook/presto http://www.github.com/FriendsOfPHP/PHP-CS-Fixer http://www.github.com/github/linguist http://www.github.com/Itseez/opencv http://www.github.com/jadejs/jade http://www.github.com/jashkenas/backbone http://www.github.com/JohnLangford/vowpal_wabbit http://www.github.com/jquery/jquery-ui http://www.github.com/libgdx/libgdx http://www.github.com/meskyanichi/backup http://www.github.com/netty/netty http://www.github.com/omab/django-social-auth http://www.github.com/openframeworks/openFrameworks http://www.github.com/plataformatec/devise http://www.github.com/prawnpdf/prawn http://www.github.com/pydata/pandas http://www.github.com/Respect/ http://www.github.com/Validation http://www.github.com/sampsyo/beets http://www.github.com/SFTtech/openage http://www.github.com/sparklemotion/ http://www.github.com/nokogiri http://www.github.com/strongloop/express http://www.github.com/thinkaurelius/titan http://www.github.com/ThinkUpLLC/ThinkUp http://www.github.com/thumbor/thumbor http://www.github.com/xetorthio/jedis http://www.github.com/bbatsov/rubocop http://www.github.com/bitcoin/bitcoin http://www.github.com/bundler/bundler http://www.github.com/divio/django-cms http://www.github.com/haml/haml http://www.github.com/jnicklas/capybara http://www.github.com/mozilla/pdf.js http://www.github.com/rg3/youtube-dl http://www.github.com/mrdoob/three.js https://github.com/spring-projects Spring projects https://github.com/yiisoft Yii framework PHP framework http://www.github.com/BVLC/caffe http://www.github.com/codemirror/CodeMirror http://www.github.com/gradle/gradle http://www.github.com/ipython/ipython http://www.github.com/jekyll/jekyll web framework http://www.github.com/jquery/jquery js framework http://www.github.com/iojs/io.js merged back to node.js http://www.github.com/meteor/meteor js framework http://www.github.com/ruby/ruby ruby language http://www.github.com/WordPress/WordPress blog platform http://www.github.com/chef/chef http://www.github.com/cocos2d/cocos2d-x ios 2d framework http://www.github.com/diaspora/diaspora http://www.github.com/emberjs/ js framework http://www.github.com/ember.js http://www.github.com/resque/resque http://www.github.com/Shopify/active_merchant http://www.github.com/spotify/luigi http://www.github.com/TryGhost/Ghost Publishing framework http://www.github.com/django/django python framework http://www.github.com/joomla/joomla-cms php web framework http://www.github.com/scikit-learn/scikit-learn http://www.github.com/JetBrains/intellij-community IDE http://www.github.com/puppetlabs/puppet http://www.github.com/rails/rails ruby fw http://www.github.com/saltstack/salt automate the management and configuration of any infrastructure http://www.github.com/Seldaek/monolog http://www.github.com/v8/v8 V8 source code. http://www.github.com/git/git git written in C http://www.github.com/webscalesql/webscalesql-5.6 http://www.github.com/fog/fog http://www.github.com/odoo/odoo openERP http://www.github.com/php/php-src http://www.github.com/android/platform_frameworks_base http://www.github.com/moment/moment http://www.github.com/fzaninotto/Faker PHP library that generates fake data http://www.github.com/caskroom/homebrew-cask homebrew util http://www.github.com/torvalds/linux linux kernel http://www.github.com/Homebrew/homebrew mac software deployment https://github.com/munificent/wren another lang https://github.com/mpeterv/luacheck lua code check
Other http://iozone.org/ https://github.com/LuaJIT
IOS lukeredpath (Luke Redpath), lots of interesting and helpful utilities https://github.com/lukeredpath
MugunthKumar (MugunthKumar), author of MKNetworkKit https://github.com/MugunthKumar
mattt (Mattt Thompson), author of AFNetworking https://github.com/mattt
mattgemmell (Matt Gemmell), well known of contributing lots of useful utilities https://github.com/mattgemmell
siuying (Francis Chong), highly active and contributes in many projects https://github.com/siuying
steipete (Peter Steinberger), heavy contributor and also able to make money with his libraries https://github.com/steipete
You may also interested in my following list here https://github.com/mystcolor/following
https://github.com/QuickBlox/ChattAR-ios https://github.com/dimzzy/baseappkit
github top developers https://github.com/trending/developers https://github.com/search?q=stars%3A%3E1&s=stars&type=Repositories
Sourced from Quora https://www.quora.com/Which-are-the-best-Android-projects-to-follow-on-GitHub https://www.quora.com/Who-are-the-best-Java-developers-to-follow-on-GitHub https://github.com/languages/Objective-C/most_watched https://www.quora.com/What-companies-have-the-most-project-followers-on-GitHub
a easy way to get a person's starred project. https://api.github.com/users/ddavison/starred