Changes

* Thimble code editor/learning tool [https://thimble.mozilla.org Thimble code editor/learning tool] (node.js, HTML5) [https://github.com/mozilla/thimble.mozilla.org/issues?q=is%3Aissue+is%3Aopen+label%3A%22Good+First+Bug%22 "Good First Bug"]* Addons Server [https://addons.mozilla.org/ Addons Server] (Python/Django Server and API) [https://github.com/mozilla/addons-server/labels/contrib%3A%20good%20first%20bug "good first bug"]* A-Frame WebVR framework [https://aframe.io/ A-Frame WebVR framework] [https://github.com/aframevr/aframe/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted+%28easy%29%22 "help wanted, easy"]* [https://developer.mozilla.org/en-US/docs/Tools Firefox Dev Tools ] (JavaScript, CSS, React, etc) [http://bugs.firefox-dev.tools/?easy&tool=all "easy" bugs]

* Pontoon [https://pontoon.mozilla.org/ Pontoon localization tool] (Python, JS, HTML5) [https://bugzilla.mozilla.org/buglist.cgi?product=Webtools&component=Pontoon&resolution=---&list_id=10786825 unedited bug list]* Testpilot experimental feature tool [https://testpilot.firefox.com/ Testpilot] experimental feature tool (React, HTML5, JS) [https://github.com/mozilla/testpilot/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+bug%22 "good first bug"]* [https://mozilla.github.io/pdf.js/ PDF.js ] (JavaScript PDF viewer used in Firefox) [https://github.com/mozilla/pdf.js/labels/5-good-beginner-bug "good-beginner-bug"]* [https://itunes.apple.com/ca/app/firefox-web-browser/id989804926?mt=8 Firefox Mobile iOS ] ([https://github.com/mozilla-mobile/firefox-ios Objective-C, Swift, iOS]) [https://www.joshmatthews.net/bugsahoy/?mobileios=1&simple=1 "good first bugs"]* [https://play.google.com/store/apps/details?id=org.mozilla.firefox&hl=en Firefox Mobile Android ] (Java, C++, JS) [https://www.joshmatthews.net/bugsahoy/?mobileandroid=1&simple=1 "good first bugs"]* [http://mozilla-balrog.readthedocs.io/en/latest/ Balrog ] Update Service (Python) https://github.com/mozilla/balrog - some potential bugs: [https://bugzilla.mozilla.org/show_bug.cgi?id=1396859 1396859], [https://bugzilla.mozilla.org/show_bug.cgi?id=1138418 1138418], [https://bugzilla.mozilla.org/show_bug.cgi?id=1374638 1374638], [https://bugzilla.mozilla.org/show_bug.cgi?id=1386400 1386400]

* [https://www.rust-lang.org Rust ] (programming language, sites, and project) [https://www.rust-lang.org/en-US/contribute.html contribute docs], [https://github.com/rust-lang/rust/labels/E-easy "easy" bugs], [https://github.com/rust-lang/crates.io/issues?q=is%3Aissue+is%3Aopen+label%3AE-easy Crates.io package manager "easy" bugs], [https://www.rustaceans.org/findwork other ideas for contributing to Rust and tooling]* [http://rr-project.org/ rr ] (C++ debugging tool for Linux) [https://github.com/mozilla/rr/labels/goodfirstbug "goodfirstbug"], good [http://cppcast.com/2015/12/robert-ocallahan/ podcast about what rr is here].