• submit to reddit

FREE Cheat Sheets for Developers

  • A simple way to stay on top of the newest technologies
  • Written by industry experts
  • 150+ cards with the latest topics, languages, and platforms
  • Not a member? Register Now!
ID D/L Title Downloads Tags
8  Download Design Patterns 155,587 ×Architecture
2  Download Getting Started with Ajax 92,172 ×HTML×JavaScript×Web Services/Servers
4  Download Spring Configuration 90,834 ×Java×XML
7  Download jQuery Selectors 80,887 ×CSS×JavaScript
24  Download Core Java 80,323 ×Algorithms×Java×Standards
19  Download Core CSS: Part I 78,667 ×CSS
94  Download Getting Started with Git 76,778 ×ALM×Open Source
61  Download Core Java Concurrency 74,808 ×Algorithms×Java
3  Download Getting Started with Eclipse 65,424 ×ALM×Eclipse×IDE
25  Download Core CSS: Part II 63,884 ×CSS
29  Download Essential Admin for MySQL 5.5 62,530 ×Database×Open Source
5  Download Windows PowerShell 62,107 ×.NET×Windows
123  Download HTML5: New Standards for Web Interactivity 61,515 ×HTML×Standards
34  Download Core CSS: Part III 58,857 ×CSS
50  Download Scrum 57,919 ×Agile/Methodologies
26  Download Spring Annotations 56,304 ×Java
112  Download Getting Started with UML 54,988 ×ALM×Architecture×Open Source
64  Download Core HTML 53,071 ×HTML
129  Download REST: Foundations of RESTful Architecture 51,560 ×Standards×Web Services/Servers
55  Download Apache Maven 2 50,027 ×ALM×Java×Open Source
28  Download JUnit and EasyMock 48,056 ×ALM×Java
35  Download Using XML in Java 46,275 ×Java×XML
22  Download Getting Started with JPA 46,019 ×Database×Java×Standards
16  Download C# 45,695 ×.NET×C#
38  Download SOA Patterns 45,582 ×Architecture×SOA×Web Services/Servers
76  Download Getting Started with Domain-Driven Design 44,933 ×Agile/Methodologies×Architecture
95  Download Getting Started with Java GUI Development 42,677 ×Design/UX×Java
6  Download Dependency Injection in EJB 3 41,827 ×Java×Standards×XML
21  Download JavaServer Faces 41,013 ×Design/UX×Java×Standards×XML
84  Download Continuous Integration: Patterns and Anti-patterns 39,995 ×ALM
58  Download JavaServer Faces 2.0 38,889 ×Java×Standards
82  Download Getting Started with Cloud Computing 38,245 ×Cloud
130  Download Designing Quality Software: Architectural and Technical Best Practices 38,125 ×Architecture
15  Download Groovy 38,012 ×Groovy×Java
101  Download JDBC Best Practices 37,230 ×Architecture×Database×Java×Standards
79  Download Google App Engine for Java 33,893 ×Cloud×Java
145  Download Continuous Delivery: Patterns and Antipatterns in the Software Lifecycle 33,218 ×Agile/Methodologies×ALM×DevOps
151  Download HTML5 Canvas: A Web Standard for Dynamic Graphics 32,512 ×HTML×Standards×JavaScript
20  Download Struts2 32,003 ×Design/UX×Java×Open Source
32  Download Getting Started with Hibernate Search 31,972 ×Database×Java×Search
18  Download Core .NET 31,933 ×.NET×C#
141  Download Node.js: Building for Scalability with Server-Side JavaScript 31,925 ×JavaScript×Open Source
43  Download Scalability & High Availability 31,909 ×Architecture×Big Data×Database
105  Download Getting Started with NoSQL and Data Scalability 31,054 ×Big Data×Database×NoSQL
33  Download Essential JSP Expression Language 30,485 ×Java×Standards
174  Download Object-Oriented JavaScript: Advanced Techniques for Serious Web Applications 30,020 ×JavaScript
173  Download Core JSON: The Fat Free Alternative to XML 29,874 ×JavaScript
30  Download Essential Ruby 29,870 ×Ruby
98  Download Getting Started with Maven Repository Management 29,633 ×ALM×Java
74  Download Agile Adoption: Improving Software Quality 29,337 ×Agile/Methodologies×Architecture
99  Download Getting Started with Java EE Security 29,293 ×Java×Security×Standards
150  Download Java Enterprise Edition 6: The Most Elegant Enterprise Java yet 28,862 ×Java
85  Download Vaadin: A Familiar Way to Build Web Apps with Java 28,616 ×Design/UX×Java×JavaScript
86  Download Spring Web Flow 28,517 ×Design/UX×E-Commerce×IDE×Java
108  Download Getting Started with Firebug 1.5 28,355 ×ALM×CSS×HTML×JavaScript
83  Download Contexts and Dependency Injection for the Java EE Platform 27,451 ×Java×Standards
110  Download Objective-C for the iPhone and iPad 27,434 ×C/C++×iOS
1  Download GWT Style, Configuration and JSNI Reference 27,410 ×Java×JavaScript
119  Download Getting Started with Application Lifecycle Management 26,550 ×ALM
71  Download Essential PostgreSQL 26,547 ×Database×Open Source
17  Download Very First Steps in Flex 26,340 ×Flex/ActionScript×Java×Web Services/Servers
104  Download Getting Started with Apache Ant 26,010 ×ALM×Java×Open Source×XML
109  Download Getting Started with Kanban for Software Development 25,887 ×Agile/Methodologies
152  Download HTML5 WebSocket: Full-duplex Real-time Web Communication 25,837 ×HTML×Standards×JavaScript
117  Download Getting Started with Apache Hadoop 25,825 ×Architecture×Big Data×Database×Open Source
14  Download NetBeans IDE 7: Programming in Java 7 25,825 ×IDE×Java×NetBeans
87  Download Continuous Integration: Servers and Tools 25,524 ×ALM×Open Source
128  Download What's New in JPA 2.0 25,325 ×Database×Java×Standards
155  Download Mockito: A Simple, Intuitive Mocking Framework 24,896 ×Java×Agile/Methodologies
172  Download HTTP: The Hypertext Transfer Protocol 24,693 ×Web Services/Servers×Standards
166  Download Patterns of Modular Architecture 23,876 ×Architecture×Java×Eclipse
54  Download Agile Adoption: Reducing Cost 23,738 ×Agile/Methodologies
13  Download RSS and Atom 23,689 ×Content Management×Web Services/Servers
67  Download Getting Started with Selenium 23,685 ×ALM×JavaScript×Open Source
139  Download Spring Roo: Making Java Fun Again 23,642 ×IDE×Java
51  Download Effective Process Modeling with BPM & BPMN 23,221 ×Agile/Methodologies×Other Languages
147  Download Eclipse Tools for Spring: The SpringSource Tool Suite 23,068 ×Eclipse×IDE×Java
59  Download Getting Started with Drupal 7 22,954 ×PHP×Content Management×Drupal
46  Download Core ASP.NET 22,724 ×.NET×C#
118  Download Getting Started with Visual Studio 2010 22,557 ×.NET×C#×IDE
93  Download Getting Started with Lean Software Development 22,529 ×Agile/Methodologies
196  Download Regular Expressions 22,395 ×Algorithms×Patterns×Search
44  Download JBoss RichFaces 22,371 ×Java×Standards×XML
57  Download Getting Started with Spring-DM 22,364 ×Architecture×Java
120  Download Apache Solr: Getting Optimal Search Results 22,180 ×Algorithms×Search×Web Services/Servers×XML
56  Download Getting Started with JavaFX 21,989 ×Java
78  Download Getting Started with Virtualization 21,939 ×.NET×Virtualization
45  Download Agile Adoption: Decreasing Time to Market 21,751 ×Agile/Methodologies×ALM
60  Download Getting Started with Grails 20,989 ×Groovy
168  Download Refactoring Patterns 20,794 ×Architecture×Java×
106  Download Expression-Based Authorization with Spring Security 3 20,479 ×Java×Security×XML
125  Download Selenium 2.0: Using the WebDriver API to Create Robust User Acceptance Tests 20,242 ×ALM×JavaScript×Open Source
165  Download Deployment Automation Patterns 20,181 ×Agile/Methodologies×ALM×DevOps
114  Download Application Prototyping with SketchFlow 20,101 ×.NET×ALM×Design/UX
97  Download Getting Started with JBoss Enterprise Application Platform 5 20,052 ×ALM×Java×Standards
135  Download The MVVM Design Pattern: A Formula for Elegant, Maintainable Mobile Apps 19,756 ×.NET×Architecture×Windows Phone
11  Download IntelliJ IDEA 19,693 ×ALM×IDE
198  Download Java Enterprise Edition 7: Streamlining Modern Java Development 19,409 ×Java
62  Download Getting Started with Eclipse RCP 19,204 ×Eclipse×IDE
111  Download Getting Started with Windows Communication Foundation 4.0 19,147 ×.NET×Web Services/Servers
169  Download Essential Apache HTTP Server 18,994 ×Web Services/Servers×LAMP
70  Download Eclipse Plug-in Development 18,592 ×Eclipse
178  Download Git Patterns and Anti-Patterns: Scaling from Workgroup to Enterprise 18,384 ×ALM×Open Source
102  Download Flex 4 and Spring 3 Integration 18,231 ×Flex/ActionScript×Java×Web Services/Servers×XML
126  Download Liferay Essentials: A Definitive Guide for Enterprise Portal Development 17,863 ×Content Management×Design/UX×Java
158  Download Big Data Machine Learning: Patterns for Predictive Analytics 17,837 ×Algorithms×Database×Big Data
12  Download Getting Started with GlassFish Application Server v3 17,781 ×Java×Standards×Web Services/Servers
41  Download SOA Governance 17,771 ×SOA
144  Download EclipseLink JPA: An Advanced ORM Persistence Framework 17,759 ×Database×Eclipse×Java
37  Download Getting Started with Equinox and OSGi 17,700 ×Architecture×Eclipse×Java
31  Download Core Seam 17,611 ×Java×Security×XML
27  Download Getting Started with MyEclipse 17,606 ×Eclipse×IDE×Java
72  Download Getting Started with Windows Presentation Foundation 17,552 ×.NET×Design/UX
10  Download Silverlight 2 17,465 ×.NET×C#×Design/UX
137  Download Understanding Lucene: Powering Better Search Results 17,367 ×Algorithms×Java×Search×XML
163  Download Code Gems for Android Developers: Working with the World's Most Popular Mobile OS 17,342 ×Java×Android
63  Download Getting Started with Apache Wicket 17,268 ×Design/UX×Java×Open Source
48  Download Flex & Spring Integration 17,213 ×Flex/ActionScript×Java×XML
177  Download HTML5 Web Workers: Multithreaded JavaScript for High-Performance Web Applications 17,180 ×HTML×Javascript×Architecture
133  Download Apache Hadoop Deployment: A Blueprint for Reliable Distributed Computing 17,123 ×Algorithms×Architecture×Big Data×Database×Open Source
171  Download MongoDB: Flexible NoSQL for Humongous Data 16,993 ×Architecture×NoSQL×Database
69  Download Getting Started with ASP.NET MVC 1.0 16,684 ×.NET
138  Download RichFaces 4.0: A Next Generation JSF Framework 16,582 ×
164  Download Scala: The Scalable JVM Language 16,146 ×JVM×Java×Scala
186  Download HTML5 Mobile Development 15,915 ×HTML×HTML5
153  Download Apache Cassandra: A Fault-Tolerant, Massively Scalable NoSQL Database 15,896 ×Database×NoSQL
80  Download NetBeans Platform 7.0: A Framework for Building Pluggable Enterprise Applications 15,836 ×IDE×Java
192  Download CSS3: Basics 15,818 ×CSS×CSS3×Web Design
162  Download Java Profiling with VisualVM: X-Ray Vision for Dramatic Performance Gains 15,509 ×Java
154  Download Jetty: A Lightweight, Open-Source Web Server and Servlet Container 15,307 ×Java×Web Services/Servers
131  Download ADO.NET Entity Framework: Object-Relational Mapping and Data Access 15,105 ×.NET×Database×IDE
81  Download Essential F# 15,016 ×.NET×Other Languages
39  Download Essential EMF 14,935 ×Architecture×Eclipse×Java×Other Languages×XML
42  Download Seam UI 14,885 ×Design/UX×Java×Standards
167  Download Software Configuration Management Patterns 14,789 ×Architecture×Agile
122  Download Functional Programming with Clojure: Simple Concurrency on the JVM 14,553 ×Clojure×Java
47  Download The Top Twelve Integration Patterns for Apache Camel 14,462 ×Architecture×Java×XML
77  Download Core WS-BPEL: Business Process Execution Language 14,457 ×Agile/Methodologies×Other Languages×Standards
89  Download Getting Started with the Zend Framework 14,127 ×IDE×Open Source×PHP
193  Download Core Python 14,109 ×Python×Core
124  Download PHPUnit: PHP Test-Driven Development - Automated Tools to Improve Your PHP Code Quality 14,092 ×ALM×PHP
36  Download Core Mule 14,041 ×Architecture×Open Source×SOA
100  Download Getting Started with Fitnesse 13,904 ×ALM
148  Download Mastering Portal UI Development With Vaadin and Liferay 13,862 ×Content Management×Design/UX×Java
92  Download Getting Started with Silverlight and Expression Blend 13,842 ×.NET×C#×Design/UX×IDE
9  Download Flexible Rails: Flex 3 on Rails 2 13,680 ×Flex/ActionScript×Ruby
146  Download Flex Mobile Development: Build Apps for Android, iOS, and BlackBerry Tablet OS 13,672 ×Android×Flex/ActionScript×IDE×iOS
136  Download WebMatrix: Advanced Web Development Made Simple 13,544 ×.NET×Content Management×E-Commerce×PHP×Windows
199  Download Debugging JavaScript 13,506 ×JavaScript
184  Download Core Spring Data 13,279 ×Database×Java×Architecture×NoSQL
157  Download Database Partitioning with MySQL: Improving Performance, Availability, and Manageability 13,160 ×Database×Open Source
149  Download Chef: An Open Source Tool for Scalable Cloud and Data Center Automation 12,597 ×
65  Download ServiceMix 4.2: The Apache Open Source ESB 12,508 ×Architecture×Open Source×SOA×Web Services/Servers
156  Download JavaFX 2.0: A Rich Client Platform for Java 12,287 ×Java×Design/UX
23  Download PHP 5.4 12,250 ×PHP
134  Download Cloud Computing with Windows Azure Platform 12,149 ×.NET×Cloud×Windows
189  Download Core C++ 12,141 ×C++×Core
40  Download Apache Tapestry 5.0 11,985 ×Design/UX×Java×Standards
183  Download Data Mining: Discovering and Visualizing Patterns with Python 11,896 ×Database×Python×Architecture×Big Data
182  Download Practical DNS: Managing Domains for Safety, Reliability, and Speed 11,865 ×DevOps×ALM
161  Download Jenkins on PaaS: Continuous Integration with Jenkins for Java Projects 11,682 ×CI×Open Source×Java
185  Download Getting Started with Subversion 11,495 ×ALM×Open Source
68  Download Getting Started with Oracle Berkeley DB 11,439 ×Database×NoSQL
194  Download Search Patterns 11,418 ×Search×Patterns
75  Download Getting Started with BlazeDS 11,261 ×Flex/ActionScript×Java×Web Services/Servers
180  Download Preparing for Continuous Delivery 11,232 ×Agile/Methodologies×ALM×DevOps
160  Download Data Warehousing: Best Practices for Collecting, Storing, and Delivering Decision-Support Data 10,998 ×Database×Big Data×Business Intelligence/Reporting
115  Download Getting Started with Infinispan 10,736 ×Database×Java×NoSQL×Open Source×XML
200  Download Java Performance Optimization 10,604 ×Java×Performance×JVM
159  Download Apache HBase: The NoSQL Database for Hadoop and Big Data 10,564 ×Database×Big Data
52  Download IntelliJ IDEA: Updated for 8.1 10,326 ×IDE
187  Download Spring Batch 10,209 ×Spring×Java×Architecture×framework
142  Download Adobe Flash Builder 4.5: Develop for Web, Desktop and Mobile 10,033 ×Flex/ActionScript×IDE
170  Download Camel Essential Components 9,946 ×Architecture×Java×XML
140  Download Mule 3.3: Simplifying SOA 9,941 ×SOA×Open Source×Web Services/Servers
107  Download Getting Started with Griffon 9,900 ×Groovy×Open Source
195  Download HTML5 IndexedDB 9,831 ×HTML5×Database
49  Download BIRT 3.7 Report Design: Eclipse-Based BI and Big Data Visualization 9,747 ×ALM×Business Intelligence/Reporting×Eclipse×Java×Big Data
132  Download Mastering Portals with a Portlet Bridge 9,676 ×Architecture×Content Management×Design/UX×Java×Standards
191  Download Getting Started with PhoneGap 9,663 ×Mobile×HTML5×PhoneGap
121  Download Open Source Media Framework: Building Simple Custom Video Players 9,593 ×Design/UX×Flex/ActionScript×Video/Animation
91  Download Getting Started with Adobe Flash Builder 4 9,544 ×Flex/ActionScript×IDE
175  Download Core Dart: The Next-Generation Client-Side Web Programming Language 9,507 ×JavaScript
197  Download Spring Integration 9,301 ×Java×Spring×Integration
53  Download Getting Started with db4o: Persisting .NET Object Data 9,196 ×.NET×Database
66  Download Getting Started with ColdFusion 9 9,026 ×ColdFusion
127  Download Developing a Silverlight Application for Windows Phone 7 8,900 ×.NET×Windows Phone
73  Download Getting Started with LiveCycle Data Services ES 8,746 ×Database×E-Commerce×Flex/ActionScript×Java
179  Download Sencha Touch 8,518 ×HTML×JavaScript×Android
188  Download Business Rules Management with Drools 8,026 ×Java×BPM
181  Download Binary Repository Management: Patterns for Performance, Security, and Traceability 7,677 ×DevOps×ALM
176  Download Essential Couchbase APIs: Open Source NoSQL Data Access from Java, Ruby, and .NET 7,149 ×Database×Java×.NET×Ruby
88  Download Getting Started with Caucho Resin 6,858 ×Java×Standards×Web Services/Servers
113  Download Getting Started with Adobe Flash Catalyst 6,430 ×Design/UX×Flex/ActionScript
116  Download Adobe ColdFusion Web Services for PHP Programmers 5,741 ×ColdFusion×PHP×Web Services/Servers
96  Download Getting Started with PHP and Flex 5,509 ×Flex/ActionScript×PHP
103  Download Leveraging ColdFusion 9 Exposed Services from Java 5,189 ×ColdFusion×Java×Web Services/Servers
90  Download Getting Started with Adobe ColdFusion Builder 5,162 ×ColdFusion×IDE
143  Download ColdFusion Builder 2: Faster Coding, Less Errors 3,984 ×ColdFusion×IDE