• AEM Cheat Sheet
• AEM Console Cheat Sheet
• Sling Curl Command Cheat Sheet
• Dispatcher Cheat Sheet
• Maven Cheat Sheet
• Problems & Solutions
• Query Builder Cheat Sheet

• Adobe Experience Manager Onboarding resources
• Experiencing Adobe Experience Manger - Day CQ
• My HUGE list of AEM bookmarks
• AEM Demo Machine
• We.Retail - Adobe's reference site implementation

• Experience Delivers
• Adobe Content Management *

• Adobe CQ @ Reddit
• Scott's Digital Community
• Wem Blog
• CQ-OPS
• Experience Managed - by Chris Millar
• Daniel Klco's Blog
• The Real CQ
• Code Monkey
• Things on a content management system
• Adobe CQ (by Himanshu Jain )
• Cititech Blog
• cqwemblog
• AEM Stuff
• Six Dimensions
• A WCM journey with Day/Adobe CQ
• AEM Club
• Answers to Frequently Asked Questions in AEM
• DIGITAL PROJECTIONS
• Eyelock
• ACQ | mobi.fm *
• Ruben's Blog *
• Adobe Experience Manager Blog
• AEM Development Mastery
• CQ5 | AEM6 Solutions and Suggestions
• AEM Quickstart
• Nate Yolles' Blog

• Adobe Marketing Cloud Open Developer Projects
• CQ5 Widgets API
• Sightly Style Guide

• Commons - AEM development and component toolkit for bootstrapping any AEM project
• Tools - Set of tools for AEM to make developer lives easier
• Samples - Well commented code samples of AEM building blocks to help educate AEM developers.

• Grabbit
• Recap - rsync for Adobe Granite
• Chef cookbook by Tacit Knowledge
• Python client for Adobe Experience Manager (AEM) API
• Carty - Visual Sling mappings editor

• CRX 2.3
• 5.6.1
• 6.0
• 6.1
• 6.2
• 6.3

• Adobe's AEM Technologists
• Circuit
• Adobe Summit
• Evolve
• adapt.to
• There are a lof of meetups all over the world. Come join us in San Francisco.

• Official Adobe Experience Manager Forum
• Stackoverflow

• Adobe Experience Manager help (hub for all sorts of information, webinars, etc.)
• Adobe CQ Help / Help and tutorials
• David's Model

• Google Java Style Guide

• AEM project archetype by Adobe
• CQ Blueprints

• AEM 5.6 - Quick Reference
• Frequently Used CQ URLs
• XSS Cheat Sheet
• Apache Sling Cheat Sheet
• Expression Language (EL)
• JSP XML Cheat Sheet
• Granite UI

• Sling
• Jackrabbit Oak
• Apache Felix
• JCR 1.0 Spec
• JCR 2.0 Spec
• Apache Lucene
• Apache Lucene - Scoring
• Jackrabbit Indexing

• CQ Gems on Adobe Experience Manager
• AEM Casts - Micro Topics on AEM and AEM Delivery
• Adobe Experience Manager Podcast
• AEM @ SlideShare
• Listing of Ask the AEM Community Experts sessions

• Oak Index Definition Generator
• David's Model: A guide for content modeling

• A PhoneGap API showcase app managed in AEM

• AEMSync - AEM Synchronization Tool, the tool pushes code changes to AEM instance(s) upon a file change (Single most useful tool for AEM development)
• Gulp Slang - Gulp process CURLs content straight into JCR
• Grunt Clientlibify - Grunt plugin for integrating AEM with a styleguide
• Grunt Smart VLT - A simple grunt interface for Adobe VLT (last commit >2 years)
• Vagrant AEM - Vagrant boxes for AEM

(* not sure if this is still being updated)

A curated list of open source projects, code examples and snippets to learn from and base your work from:

• Libraries and extensions for AEM applications - huge library of extensions
• AEM Replication Customization
• CRX / AEM Package built w/ ANT + XSL
• AEM React - Render components using React, isomorphic JavaScript rendering.
• TODO MVC - SCF+SRP implementation of ToDo MVC with walkthrough.
• SASS compiler for AEM - provides native SASS support in AEM

This is more of a short cut for people who don't want to navigate through the AEM UI or search for these useful tools in the docs:

• QueryBuilder Debugger
• XPath/SQL search
• CQ5 Translator
• Dump Libs
• DAM WebDav
• CQ5 AntiSamy configuration XSS
• ContextHub Diagnostics

• Query Builder JSON Servlet
• Security API

• Adobe Marketing Cloud Open Developer - directory for tools
• Access Control Tool
• Sling Dynamic Include
• AEM Tooling Plugin for Intellij IDEA
• NEBA - integration of Spring Framework into Apache Sling

• Coral UI Documentation

• All Adobe Knowledge Base Articles
• CRX Knowledge Base Articles
• Replication
• Workflows
• Dispatcher
• LDAP
• The most complete list of -XX options for Java JVM

• Favourite CQ5 utils
• Using xtypes (Classic UI)

• CQ5 OOTB workflow processes

• Tighten Up Security in Production CQ Environment
• How to protect your CQ instances from Google searches

• Replication deep dive
• From Eventing to Job Processing

• Adobe WEM / CQ Tips and Tricks (Google Doc)
• ACE: AEM 6.0 Architect experience and Certification Path
• AEM 6.0 Architect Certification tips

• AEM Capability Matrix - list AEM Capabilities, Features and OOTB Component
• Apache Sling Resource Resolver Rules in a Nutshell
• Adobe CQ/AEM Support Matrix
• Adobe CQ5 AEM cURL Commands