• 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 159,940 ×Architecture
2  Download Getting Started with Ajax 93,076 ×HTML×JavaScript×Web Services/Servers
4  Download Spring Configuration 91,964 ×Java×XML
24  Download Core Java 82,246 ×Algorithms×Java×Standards
7  Download jQuery Selectors 82,205 ×CSS×JavaScript
19  Download Core CSS: Part I 79,699 ×CSS
94  Download Getting Started with Git 78,431 ×ALM×Open Source
61  Download Core Java Concurrency 76,505 ×Algorithms×Java
3  Download Getting Started with Eclipse 66,017 ×ALM×Eclipse×IDE
25  Download Core CSS: Part II 64,779 ×CSS
29  Download Essential Admin for MySQL 5.5 63,143 ×Database×Open Source
5  Download Windows PowerShell 62,986 ×.NET×Windows
123  Download HTML5: New Standards for Web Interactivity 62,485 ×HTML×Standards
34  Download Core CSS: Part III 59,688 ×CSS
50  Download Scrum 59,239 ×Agile/Methodologies
26  Download Spring Annotations 57,624 ×Java
112  Download Getting Started with UML 56,177 ×ALM×Architecture×Open Source
64  Download Core HTML 53,711 ×HTML
129  Download REST: Foundations of RESTful Architecture 53,433 ×Standards×Web Services/Servers
55  Download Apache Maven 2 50,895 ×ALM×Java×Open Source
28  Download JUnit and EasyMock 49,270 ×ALM×Java
35  Download Using XML in Java 46,951 ×Java×XML
22  Download Getting Started with JPA 46,832 ×Database×Java×Standards
38  Download SOA Patterns 46,595 ×Architecture×SOA×Web Services/Servers
16  Download C# 46,535 ×.NET×C#
76  Download Getting Started with Domain-Driven Design 45,812 ×Agile/Methodologies×Architecture
95  Download Getting Started with Java GUI Development 43,288 ×Design/UX×Java
6  Download Dependency Injection in EJB 3 42,308 ×Java×Standards×XML
21  Download JavaServer Faces 41,435 ×Design/UX×Java×Standards×XML
84  Download Continuous Integration: Patterns and Anti-patterns 40,777 ×ALM
58  Download JavaServer Faces 2.0 39,362 ×Java×Standards
130  Download Designing Quality Software: Architectural and Technical Best Practices 39,080 ×Architecture
82  Download Getting Started with Cloud Computing 38,886 ×Cloud
15  Download Groovy 38,622 ×Groovy×Java
101  Download JDBC Best Practices 37,989 ×Architecture×Database×Java×Standards
79  Download Google App Engine for Java 34,292 ×Cloud×Java
117  Download Getting Started with Apache Hadoop 34,247 ×Architecture×Big Data×Database×Open Source
145  Download Continuous Delivery: Patterns and Antipatterns in the Software Lifecycle 34,095 ×Agile/Methodologies×ALM×DevOps
141  Download Node.js: Building for Scalability with Server-Side JavaScript 33,354 ×JavaScript×Open Source
151  Download HTML5 Canvas: A Web Standard for Dynamic Graphics 32,988 ×HTML×Standards×JavaScript
43  Download Scalability & High Availability 32,842 ×Architecture×Big Data×Database
32  Download Getting Started with Hibernate Search 32,453 ×Database×Java×Search
20  Download Struts2 32,422 ×Design/UX×Java×Open Source
18  Download Core .NET 32,414 ×.NET×C#
105  Download Getting Started with NoSQL and Data Scalability 31,770 ×Big Data×Database×NoSQL
174  Download Object-Oriented JavaScript: Advanced Techniques for Serious Web Applications 31,360 ×JavaScript
33  Download Essential JSP Expression Language 30,909 ×Java×Standards
173  Download Core JSON: The Fat Free Alternative to XML 30,760 ×JavaScript
30  Download Essential Ruby 30,417 ×Ruby
98  Download Getting Started with Maven Repository Management 30,253 ×ALM×Java
74  Download Agile Adoption: Improving Software Quality 29,879 ×Agile/Methodologies×Architecture
99  Download Getting Started with Java EE Security 29,876 ×Java×Security×Standards
85  Download Vaadin: A Familiar Way to Build Web Apps with Java 29,585 ×Design/UX×Java×JavaScript
150  Download Java Enterprise Edition 6: The Most Elegant Enterprise Java yet 29,265 ×Java
86  Download Spring Web Flow 29,110 ×Design/UX×E-Commerce×IDE×Java
108  Download Getting Started with Firebug 1.5 28,781 ×ALM×CSS×HTML×JavaScript
83  Download Contexts and Dependency Injection for the Java EE Platform 27,914 ×Java×Standards
110  Download Objective-C for the iPhone and iPad 27,805 ×C/C++×iOS
1  Download GWT Style, Configuration and JSNI Reference 27,577 ×Java×JavaScript
71  Download Essential PostgreSQL 27,100 ×Database×Open Source
119  Download Getting Started with Application Lifecycle Management 26,973 ×ALM
152  Download HTML5 WebSocket: Full-duplex Real-time Web Communication 26,598 ×HTML×Standards×JavaScript
17  Download Very First Steps in Flex 26,499 ×Flex/ActionScript×Java×Web Services/Servers
109  Download Getting Started with Kanban for Software Development 26,429 ×Agile/Methodologies
104  Download Getting Started with Apache Ant 26,396 ×ALM×Java×Open Source×XML
14  Download NetBeans IDE 7: Programming in Java 7 26,148 ×IDE×Java×NetBeans
155  Download Mockito: A Simple, Intuitive Mocking Framework 26,064 ×Java×Agile/Methodologies
87  Download Continuous Integration: Servers and Tools 26,058 ×ALM×Open Source
128  Download What's New in JPA 2.0 25,807 ×Database×Java×Standards
172  Download HTTP: The Hypertext Transfer Protocol 25,203 ×Web Services/Servers×Standards
166  Download Patterns of Modular Architecture 24,480 ×Architecture×Java×Eclipse
54  Download Agile Adoption: Reducing Cost 24,155 ×Agile/Methodologies
67  Download Getting Started with Selenium 24,137 ×ALM×JavaScript×Open Source
139  Download Spring Roo: Making Java Fun Again 24,000 ×IDE×Java
13  Download RSS and Atom 23,925 ×Content Management×Web Services/Servers
51  Download Effective Process Modeling with BPM & BPMN 23,640 ×Agile/Methodologies×Other Languages
147  Download Eclipse Tools for Spring: The SpringSource Tool Suite 23,480 ×Eclipse×IDE×Java
196  Download Regular Expressions 23,261 ×Algorithms×Patterns×Search
59  Download Getting Started with Drupal 7 23,198 ×PHP×Content Management×Drupal
46  Download Core ASP.NET 23,031 ×.NET×C#
93  Download Getting Started with Lean Software Development 22,962 ×Agile/Methodologies
118  Download Getting Started with Visual Studio 2010 22,851 ×.NET×C#×IDE
57  Download Getting Started with Spring-DM 22,684 ×Architecture×Java
120  Download Apache Solr: Getting Optimal Search Results 22,574 ×Algorithms×Search×Web Services/Servers×XML
44  Download JBoss RichFaces 22,573 ×Java×Standards×XML
78  Download Getting Started with Virtualization 22,314 ×.NET×Virtualization
56  Download Getting Started with JavaFX 22,294 ×Java
45  Download Agile Adoption: Decreasing Time to Market 22,186 ×Agile/Methodologies×ALM
168  Download Refactoring Patterns 21,431 ×Architecture×Java×
164  Download Getting Started with Scala 21,326 ×JVM×Java×Scala
60  Download Getting Started with Grails 21,289 ×Groovy
106  Download Expression-Based Authorization with Spring Security 3 20,902 ×Java×Security×XML
125  Download Selenium 2.0: Using the WebDriver API to Create Robust User Acceptance Tests 20,769 ×ALM×JavaScript×Open Source
165  Download Deployment Automation Patterns 20,579 ×Agile/Methodologies×ALM×DevOps
114  Download Application Prototyping with SketchFlow 20,439 ×.NET×ALM×Design/UX
97  Download Getting Started with JBoss Enterprise Application Platform 5 20,306 ×ALM×Java×Standards
198  Download Java Enterprise Edition 7: Streamlining Modern Java Development 20,260 ×Java
135  Download The MVVM Design Pattern: A Formula for Elegant, Maintainable Mobile Apps 20,227 ×.NET×Architecture×Windows Phone
11  Download IntelliJ IDEA 20,195 ×ALM×IDE
62  Download Getting Started with Eclipse RCP 19,428 ×Eclipse×IDE
111  Download Getting Started with Windows Communication Foundation 4.0 19,402 ×.NET×Web Services/Servers
169  Download Essential Apache HTTP Server 19,371 ×Web Services/Servers×LAMP
158  Download Big Data Machine Learning: Patterns for Predictive Analytics 19,182 ×Algorithms×Database×Big Data
70  Download Eclipse Plug-in Development 18,868 ×Eclipse
178  Download Git Patterns and Anti-Patterns: Scaling from Workgroup to Enterprise 18,858 ×ALM×Open Source
102  Download Flex 4 and Spring 3 Integration 18,380 ×Flex/ActionScript×Java×Web Services/Servers×XML
126  Download Liferay Essentials: A Definitive Guide for Enterprise Portal Development 18,237 ×Content Management×Design/UX×Java
41  Download SOA Governance 18,123 ×SOA
144  Download EclipseLink JPA: An Advanced ORM Persistence Framework 18,114 ×Database×Eclipse×Java
37  Download Getting Started with Equinox and OSGi 17,961 ×Architecture×Eclipse×Java
12  Download Getting Started with GlassFish Application Server v3 17,914 ×Java×Standards×Web Services/Servers
133  Download Apache Hadoop Deployment: A Blueprint for Reliable Distributed Computing 17,844 ×Algorithms×Architecture×Big Data×Database×Open Source
177  Download HTML5 Web Workers: Multithreaded JavaScript for High-Performance Web Applications 17,842 ×HTML×Javascript×Architecture
27  Download Getting Started with MyEclipse 17,828 ×Eclipse×IDE×Java
72  Download Getting Started with Windows Presentation Foundation 17,814 ×.NET×Design/UX
163  Download Code Gems for Android Developers: Working with the World's Most Popular Mobile OS 17,760 ×Java×Android
31  Download Core Seam 17,731 ×Java×Security×XML
137  Download Understanding Lucene: Powering Better Search Results 17,731 ×Algorithms×Java×Search×XML
171  Download MongoDB: Flexible NoSQL for Humongous Data 17,637 ×Architecture×NoSQL×Database
10  Download Silverlight 2 17,578 ×.NET×C#×Design/UX
63  Download Getting Started with Apache Wicket 17,468 ×Design/UX×Java×Open Source
48  Download Flex & Spring Integration 17,311 ×Flex/ActionScript×Java×XML
69  Download Getting Started with ASP.NET MVC 1.0 16,862 ×.NET
138  Download RichFaces 4.0: A Next Generation JSF Framework 16,832 ×
153  Download Apache Cassandra: A Fault-Tolerant, Massively Scalable NoSQL Database 16,439 ×Database×NoSQL
192  Download CSS3: Basics 16,428 ×CSS×CSS3×Web Design
186  Download HTML5 Mobile Development 16,412 ×HTML×HTML5
80  Download NetBeans Platform 7.0: A Framework for Building Pluggable Enterprise Applications 16,059 ×IDE×Java
200  Download Java Performance Optimization 16,038 ×Java×Performance×JVM
162  Download Java Profiling with VisualVM: X-Ray Vision for Dramatic Performance Gains 15,858 ×Java
154  Download Jetty: A Lightweight, Open-Source Web Server and Servlet Container 15,683 ×Java×Web Services/Servers
131  Download ADO.NET Entity Framework: Object-Relational Mapping and Data Access 15,392 ×.NET×Database×IDE
81  Download Essential F# 15,211 ×.NET×Other Languages
39  Download Essential EMF 15,156 ×Architecture×Eclipse×Java×Other Languages×XML
167  Download Software Configuration Management Patterns 15,117 ×Architecture×Agile
42  Download Seam UI 15,038 ×Design/UX×Java×Standards
193  Download Core Python 14,947 ×Python×Core
47  Download The Top Twelve Integration Patterns for Apache Camel 14,939 ×Architecture×Java×XML
199  Download Debugging JavaScript 14,916 ×JavaScript
122  Download Functional Programming with Clojure: Simple Concurrency on the JVM 14,893 ×Clojure×Java
77  Download Core WS-BPEL: Business Process Execution Language 14,694 ×Agile/Methodologies×Other Languages×Standards
124  Download PHPUnit: PHP Test-Driven Development - Automated Tools to Improve Your PHP Code Quality 14,398 ×ALM×PHP
89  Download Getting Started with the Zend Framework 14,339 ×IDE×Open Source×PHP
36  Download Core Mule 14,283 ×Architecture×Open Source×SOA
148  Download Mastering Portal UI Development With Vaadin and Liferay 14,191 ×Content Management×Design/UX×Java
100  Download Getting Started with Fitnesse 14,177 ×ALM
92  Download Getting Started with Silverlight and Expression Blend 13,944 ×.NET×C#×Design/UX×IDE
146  Download Flex Mobile Development: Build Apps for Android, iOS, and BlackBerry Tablet OS 13,904 ×Android×Flex/ActionScript×IDE×iOS
136  Download WebMatrix: Advanced Web Development Made Simple 13,810 ×.NET×Content Management×E-Commerce×PHP×Windows
9  Download Flexible Rails: Flex 3 on Rails 2 13,779 ×Flex/ActionScript×Ruby
184  Download Core Spring Data 13,753 ×Database×Java×Architecture×NoSQL
157  Download Database Partitioning with MySQL: Improving Performance, Availability, and Manageability 13,552 ×Database×Open Source
149  Download Chef: An Open Source Tool for Scalable Cloud and Data Center Automation 12,909 ×
65  Download ServiceMix 4.2: The Apache Open Source ESB 12,735 ×Architecture×Open Source×SOA×Web Services/Servers
23  Download PHP 5.4 12,614 ×PHP
189  Download Core C++ 12,598 ×C++×Core
156  Download JavaFX 2.0: A Rich Client Platform for Java 12,534 ×Java×Design/UX
134  Download Cloud Computing with Windows Azure Platform 12,437 ×.NET×Cloud×Windows
182  Download Practical DNS: Managing Domains for Safety, Reliability, and Speed 12,383 ×DevOps×ALM
183  Download Data Mining: Discovering and Visualizing Patterns with Python 12,348 ×Database×Python×Architecture×Big Data
40  Download Apache Tapestry 5.0 12,148 ×Design/UX×Java×Standards
161  Download Jenkins on PaaS: Continuous Integration with Jenkins for Java Projects 12,129 ×CI×Open Source×Java
194  Download Search Patterns 11,847 ×Search×Patterns
185  Download Getting Started with Subversion 11,847 ×ALM×Open Source
180  Download Preparing for Continuous Delivery 11,644 ×Agile/Methodologies×ALM×DevOps
68  Download Getting Started with Oracle Berkeley DB 11,601 ×Database×NoSQL
75  Download Getting Started with BlazeDS 11,398 ×Flex/ActionScript×Java×Web Services/Servers
159  Download Apache HBase: The NoSQL Database for Hadoop and Big Data 11,381 ×Database×Big Data
160  Download Data Warehousing: Best Practices for Collecting, Storing, and Delivering Decision-Support Data 11,346 ×Database×Big Data×Business Intelligence/Reporting
115  Download Getting Started with Infinispan 10,947 ×Database×Java×NoSQL×Open Source×XML
187  Download Spring Batch 10,679 ×Spring×Java×Architecture×framework
52  Download IntelliJ IDEA: Updated for 8.1 10,574 ×IDE
170  Download Camel Essential Components 10,406 ×Architecture×Java×XML
195  Download HTML5 IndexedDB 10,279 ×HTML5×Database
142  Download Adobe Flash Builder 4.5: Develop for Web, Desktop and Mobile 10,156 ×Flex/ActionScript×IDE
140  Download Mule 3.3: Simplifying SOA 10,134 ×SOA×Open Source×Web Services/Servers
107  Download Getting Started with Griffon 10,054 ×Groovy×Open Source
49  Download BIRT 3.7 Report Design: Eclipse-Based BI and Big Data Visualization 10,006 ×ALM×Business Intelligence/Reporting×Eclipse×Java×Big Data
191  Download Getting Started with PhoneGap 9,963 ×Mobile×HTML5×PhoneGap
197  Download Spring Integration 9,894 ×Java×Spring×Integration
132  Download Mastering Portals with a Portlet Bridge 9,850 ×Architecture×Content Management×Design/UX×Java×Standards
121  Download Open Source Media Framework: Building Simple Custom Video Players 9,765 ×Design/UX×Flex/ActionScript×Video/Animation
175  Download Core Dart: The Next-Generation Client-Side Web Programming Language 9,683 ×JavaScript
91  Download Getting Started with Adobe Flash Builder 4 9,631 ×Flex/ActionScript×IDE
53  Download Getting Started with db4o: Persisting .NET Object Data 9,299 ×.NET×Database
66  Download Getting Started with ColdFusion 9 9,115 ×ColdFusion
127  Download Developing a Silverlight Application for Windows Phone 7 8,984 ×.NET×Windows Phone
73  Download Getting Started with LiveCycle Data Services ES 8,859 ×Database×E-Commerce×Flex/ActionScript×Java
179  Download Sencha Touch 8,731 ×HTML×JavaScript×Android
188  Download Business Rules Management with Drools 8,423 ×Java×BPM
181  Download Binary Repository Management: Patterns for Performance, Security, and Traceability 7,922 ×DevOps×ALM
176  Download Essential Couchbase APIs: Open Source NoSQL Data Access from Java, Ruby, and .NET 7,449 ×Database×Java×.NET×Ruby
88  Download Getting Started with Caucho Resin 6,979 ×Java×Standards×Web Services/Servers
113  Download Getting Started with Adobe Flash Catalyst 6,504 ×Design/UX×Flex/ActionScript
201  Download Reactive Programming with Akka 6,143 ×Scala×Java×Akka
116  Download Adobe ColdFusion Web Services for PHP Programmers 5,829 ×ColdFusion×PHP×Web Services/Servers
96  Download Getting Started with PHP and Flex 5,606 ×Flex/ActionScript×PHP
103  Download Leveraging ColdFusion 9 Exposed Services from Java 5,286 ×ColdFusion×Java×Web Services/Servers
90  Download Getting Started with Adobe ColdFusion Builder 5,233 ×ColdFusion×IDE
202  Download Getting Started with Play Framework 4,206 ×Play×Java×Scala
143  Download ColdFusion Builder 2: Faster Coding, Less Errors 4,054 ×ColdFusion×IDE