Web and Mobile Runtime SDKs

• Extent Helper
• JSONLint: http://jsonlint.com/
• Esri Downloads: http://www.esri.com/apps/products/download/index.cfm
• URL Decoder: http://meyerweb.com/eric/tools/dencoder/
• Esri Roadmap for Developers: http://blogs.esri.com/esri/arcgis/2014/02/21/esris-roadmap-for-web-developers/
• HTTP Status Codes: https://support.google.com/webmasters/answer/40132?hl=en
• Proxy use cases: https://geonet.esri.com/thread/77399
• Map Extent Helper: http://noashx.github.io/
• ArcGIS Web APIs forum: http://gis.stackexchange.com/questions/6763/arcgis-web-apis-what-are-the-differences
• ArcGIS Ideas: http://ideas.arcgis.com/
• Forum - ArcGIS Web APIs: http://gis.stackexchange.com/questions/6763/arcgis-web-apis-what-are-the-differences

JavaScript API

For beginners

• W3 Schools: http://www.w3schools.com/js/default.asp
• Mozilla Dev. Network Intro to JS: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Introduction_to_Object-Oriented_JavaScript
• Build your first application: https://developers.arcgis.com/javascript/jstutorials/intro_firstmap_amd.html
• Build a web map using ArcGIS.com: https://developers.arcgis.com/javascript/jstutorials/intro_agstemplate_amd.html

Dojo and AMD Style

• ABCs of AMD: http://blogs.esri.com/esri/arcgis/2013/10/14/the-abcs-of-amd/
• ArcGIS, Dojo, and AMD: https://developers.arcgis.com/javascript/jshelp/inside_dojo_amd.html
• Modern Dojo: http://dojotoolkit.org/documentation/tutorials/1.9/modern_dojo/
• AMD blog: http://www.sitepen.com/blog/2012/06/25/amd-the-definitive-source/
• Swingley: http://swingley.github.io/arg/
• Event handling: http://blogs.esri.com/esri/supportcenter/2014/09/29/javascript-events-advocating-for-on-style-event-programming/
• Dojo Reference Guide: http://dojotoolkit.org/documentation
• JS Fiddle: http://jsfiddle.net

Debugging

• Esri Blog: http://blogs.esri.com/esri/supportcenter/2014/05/06/javascript-debugging-tips-part-i-google-chrome-and-the-network-tab-2/
• Julie Pagano: http://juliepagano.com/blog/2014/05/18/javascript-debugging-for-beginners/
• Chrome Developer Tools: https://developer.chrome.com/devtools

WebApp Builder

• Forums: https://geonet.esri.com/groups/web-appbuilder

Esri Leaflet

• Leaflet API: http://leafletjs.com/index.html
• Esri Leaflet plugin: https://github.com/Esri/esri-leaflet
• Esri Leaflet samples: http://patrickarlt.github.io/esri-leaflet/examples/

iOS

• Fiddler – Capture iOS Traffic: http://docs.telerik.com/fiddler/configure-fiddler/tasks/configureforios
• AGSMapView memory management: https://github.com/Esri/global-support-repository/wiki/AGSMapView-memory-management
• Samples: https://github.com/Esri/arcgis-runtime-samples-ios
• Quickstart: https://github.com/Esri/quickstart-map-ios
• Tutorials: https://github.com/Esri/arcgis-runtime-tutorials-ios
• Geotrigger: https://github.com/Esri/geotrigger-sdk-ios
• Driving directions: https://github.com/Esri/driving-directions-ios

Android

• Quickstart template: https://github.com/Esri/maps-app-android
• GPS Tool: https://github.com/Esri/android-gps-test-tool
• Working with Fonts: https://github.com/Esri/developer-support/wiki/Working-with-Fonts
• Steps to reference local ArcGIS runtime SDK for Android: https://github.com/Esri/developer-support/wiki/Steps-to-reference-local-ArcGIS-runtime-SDK-for-Android