• 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 157,480 ×Architecture
2  Download Getting Started with Ajax 92,554 ×HTML×JavaScript×Web Services/Servers
4  Download Spring Configuration 91,324 ×Java×XML
7  Download jQuery Selectors 81,445 ×CSS×JavaScript
24  Download Core Java 81,104 ×Algorithms×Java×Standards
19  Download Core CSS: Part I 79,085 ×CSS
94  Download Getting Started with Git 77,473 ×ALM×Open Source
61  Download Core Java Concurrency 75,786 ×Algorithms×Java
3  Download Getting Started with Eclipse 65,685 ×ALM×Eclipse×IDE
25  Download Core CSS: Part II 64,227 ×CSS
29  Download Essential Admin for MySQL 5.5 62,780 ×Database×Open Source
5  Download Windows PowerShell 62,453 ×.NET×Windows
123  Download HTML5: New Standards for Web Interactivity 61,901 ×HTML×Standards
34  Download Core CSS: Part III 59,186 ×CSS
50  Download Scrum 58,416 ×Agile/Methodologies
26  Download Spring Annotations 56,872 ×Java
112  Download Getting Started with UML 55,449 ×ALM×Architecture×Open Source
64  Download Core HTML 53,332 ×HTML
129  Download REST: Foundations of RESTful Architecture 52,282 ×Standards×Web Services/Servers
55  Download Apache Maven 2 50,395 ×ALM×Java×Open Source
28  Download JUnit and EasyMock 48,764 ×ALM×Java
35  Download Using XML in Java 46,538 ×Java×XML
22  Download Getting Started with JPA 46,366 ×Database×Java×Standards
16  Download C# 46,028 ×.NET×C#
38  Download SOA Patterns 45,994 ×Architecture×SOA×Web Services/Servers
76  Download Getting Started with Domain-Driven Design 45,301 ×Agile/Methodologies×Architecture
95  Download Getting Started with Java GUI Development 42,897 ×Design/UX×Java
6  Download Dependency Injection in EJB 3 42,021 ×Java×Standards×XML
21  Download JavaServer Faces 41,164 ×Design/UX×Java×Standards×XML
84  Download Continuous Integration: Patterns and Anti-patterns 40,320 ×ALM
58  Download JavaServer Faces 2.0 39,078 ×Java×Standards
82  Download Getting Started with Cloud Computing 38,498 ×Cloud
130  Download Designing Quality Software: Architectural and Technical Best Practices 38,463 ×Architecture
15  Download Groovy 38,254 ×Groovy×Java
101  Download JDBC Best Practices 37,516 ×Architecture×Database×Java×Standards
79  Download Google App Engine for Java 34,055 ×Cloud×Java
145  Download Continuous Delivery: Patterns and Antipatterns in the Software Lifecycle 33,563 ×Agile/Methodologies×ALM×DevOps
141  Download Node.js: Building for Scalability with Server-Side JavaScript 32,717 ×JavaScript×Open Source
151  Download HTML5 Canvas: A Web Standard for Dynamic Graphics 32,712 ×HTML×Standards×JavaScript
20  Download Struts2 32,189 ×Design/UX×Java×Open Source
43  Download Scalability & High Availability 32,186 ×Architecture×Big Data×Database
32  Download Getting Started with Hibernate Search 32,166 ×Database×Java×Search
18  Download Core .NET 32,107 ×.NET×C#
105  Download Getting Started with NoSQL and Data Scalability 31,297 ×Big Data×Database×NoSQL
33  Download Essential JSP Expression Language 30,668 ×Java×Standards
174  Download Object-Oriented JavaScript: Advanced Techniques for Serious Web Applications 30,478 ×JavaScript
173  Download Core JSON: The Fat Free Alternative to XML 30,302 ×JavaScript
30  Download Essential Ruby 30,080 ×Ruby
98  Download Getting Started with Maven Repository Management 29,893 ×ALM×Java
74  Download Agile Adoption: Improving Software Quality 29,554 ×Agile/Methodologies×Architecture
99  Download Getting Started with Java EE Security 29,523 ×Java×Security×Standards
150  Download Java Enterprise Edition 6: The Most Elegant Enterprise Java yet 29,044 ×Java
85  Download Vaadin: A Familiar Way to Build Web Apps with Java 29,023 ×Design/UX×Java×JavaScript
86  Download Spring Web Flow 28,752 ×Design/UX×E-Commerce×IDE×Java
108  Download Getting Started with Firebug 1.5 28,519 ×ALM×CSS×HTML×JavaScript
83  Download Contexts and Dependency Injection for the Java EE Platform 27,633 ×Java×Standards
110  Download Objective-C for the iPhone and iPad 27,587 ×C/C++×iOS
1  Download GWT Style, Configuration and JSNI Reference 27,493 ×Java×JavaScript
71  Download Essential PostgreSQL 26,759 ×Database×Open Source
119  Download Getting Started with Application Lifecycle Management 26,696 ×ALM
17  Download Very First Steps in Flex 26,412 ×Flex/ActionScript×Java×Web Services/Servers
104  Download Getting Started with Apache Ant 26,162 ×ALM×Java×Open Source×XML
152  Download HTML5 WebSocket: Full-duplex Real-time Web Communication 26,156 ×HTML×Standards×JavaScript
117  Download Getting Started with Apache Hadoop 26,149 ×Architecture×Big Data×Database×Open Source
109  Download Getting Started with Kanban for Software Development 26,095 ×Agile/Methodologies
14  Download NetBeans IDE 7: Programming in Java 7 25,970 ×IDE×Java×NetBeans
87  Download Continuous Integration: Servers and Tools 25,728 ×ALM×Open Source
128  Download What's New in JPA 2.0 25,512 ×Database×Java×Standards
155  Download Mockito: A Simple, Intuitive Mocking Framework 25,386 ×Java×Agile/Methodologies
172  Download HTTP: The Hypertext Transfer Protocol 24,920 ×Web Services/Servers×Standards
166  Download Patterns of Modular Architecture 24,133 ×Architecture×Java×Eclipse
54  Download Agile Adoption: Reducing Cost 23,898 ×Agile/Methodologies
67  Download Getting Started with Selenium 23,879 ×ALM×JavaScript×Open Source
139  Download Spring Roo: Making Java Fun Again 23,779 ×IDE×Java
13  Download RSS and Atom 23,772 ×Content Management×Web Services/Servers
51  Download Effective Process Modeling with BPM & BPMN 23,364 ×Agile/Methodologies×Other Languages
147  Download Eclipse Tools for Spring: The SpringSource Tool Suite 23,220 ×Eclipse×IDE×Java
59  Download Getting Started with Drupal 7 23,048 ×PHP×Content Management×Drupal
46  Download Core ASP.NET 22,857 ×.NET×C#
196  Download Regular Expressions 22,785 ×Algorithms×Patterns×Search
118  Download Getting Started with Visual Studio 2010 22,681 ×.NET×C#×IDE
93  Download Getting Started with Lean Software Development 22,675 ×Agile/Methodologies
57  Download Getting Started with Spring-DM 22,510 ×Architecture×Java
44  Download JBoss RichFaces 22,463 ×Java×Standards×XML
120  Download Apache Solr: Getting Optimal Search Results 22,329 ×Algorithms×Search×Web Services/Servers×XML
56  Download Getting Started with JavaFX 22,117 ×Java
78  Download Getting Started with Virtualization 22,076 ×.NET×Virtualization
45  Download Agile Adoption: Decreasing Time to Market 21,903 ×Agile/Methodologies×ALM
60  Download Getting Started with Grails 21,099 ×Groovy
168  Download Refactoring Patterns 21,076 ×Architecture×Java×
106  Download Expression-Based Authorization with Spring Security 3 20,647 ×Java×Security×XML
125  Download Selenium 2.0: Using the WebDriver API to Create Robust User Acceptance Tests 20,491 ×ALM×JavaScript×Open Source
165  Download Deployment Automation Patterns 20,355 ×Agile/Methodologies×ALM×DevOps
114  Download Application Prototyping with SketchFlow 20,221 ×.NET×ALM×Design/UX
97  Download Getting Started with JBoss Enterprise Application Platform 5 20,168 ×ALM×Java×Standards
135  Download The MVVM Design Pattern: A Formula for Elegant, Maintainable Mobile Apps 19,955 ×.NET×Architecture×Windows Phone
11  Download IntelliJ IDEA 19,882 ×ALM×IDE
198  Download Java Enterprise Edition 7: Streamlining Modern Java Development 19,827 ×Java
62  Download Getting Started with Eclipse RCP 19,296 ×Eclipse×IDE
111  Download Getting Started with Windows Communication Foundation 4.0 19,257 ×.NET×Web Services/Servers
169  Download Essential Apache HTTP Server 19,147 ×Web Services/Servers×LAMP
70  Download Eclipse Plug-in Development 18,696 ×Eclipse
178  Download Git Patterns and Anti-Patterns: Scaling from Workgroup to Enterprise 18,603 ×ALM×Open Source
102  Download Flex 4 and Spring 3 Integration 18,292 ×Flex/ActionScript×Java×Web Services/Servers×XML
158  Download Big Data Machine Learning: Patterns for Predictive Analytics 18,157 ×Algorithms×Database×Big Data
126  Download Liferay Essentials: A Definitive Guide for Enterprise Portal Development 18,015 ×Content Management×Design/UX×Java
41  Download SOA Governance 17,913 ×SOA
144  Download EclipseLink JPA: An Advanced ORM Persistence Framework 17,908 ×Database×Eclipse×Java
12  Download Getting Started with GlassFish Application Server v3 17,834 ×Java×Standards×Web Services/Servers
37  Download Getting Started with Equinox and OSGi 17,795 ×Architecture×Eclipse×Java
27  Download Getting Started with MyEclipse 17,689 ×Eclipse×IDE×Java
31  Download Core Seam 17,660 ×Java×Security×XML
72  Download Getting Started with Windows Presentation Foundation 17,650 ×.NET×Design/UX
177  Download HTML5 Web Workers: Multithreaded JavaScript for High-Performance Web Applications 17,572 ×HTML×Javascript×Architecture
163  Download Code Gems for Android Developers: Working with the World's Most Popular Mobile OS 17,544 ×Java×Android
137  Download Understanding Lucene: Powering Better Search Results 17,512 ×Algorithms×Java×Search×XML
10  Download Silverlight 2 17,510 ×.NET×C#×Design/UX
63  Download Getting Started with Apache Wicket 17,349 ×Design/UX×Java×Open Source
133  Download Apache Hadoop Deployment: A Blueprint for Reliable Distributed Computing 17,301 ×Algorithms×Architecture×Big Data×Database×Open Source
48  Download Flex & Spring Integration 17,253 ×Flex/ActionScript×Java×XML
171  Download MongoDB: Flexible NoSQL for Humongous Data 17,229 ×Architecture×NoSQL×Database
69  Download Getting Started with ASP.NET MVC 1.0 16,760 ×.NET
138  Download RichFaces 4.0: A Next Generation JSF Framework 16,688 ×
164  Download Scala: The Scalable JVM Language 16,589 ×JVM×Java×Scala
186  Download HTML5 Mobile Development 16,136 ×HTML×HTML5
153  Download Apache Cassandra: A Fault-Tolerant, Massively Scalable NoSQL Database 16,109 ×Database×NoSQL
192  Download CSS3: Basics 16,079 ×CSS×CSS3×Web Design
80  Download NetBeans Platform 7.0: A Framework for Building Pluggable Enterprise Applications 15,919 ×IDE×Java
162  Download Java Profiling with VisualVM: X-Ray Vision for Dramatic Performance Gains 15,704 ×Java
154  Download Jetty: A Lightweight, Open-Source Web Server and Servlet Container 15,461 ×Java×Web Services/Servers
131  Download ADO.NET Entity Framework: Object-Relational Mapping and Data Access 15,217 ×.NET×Database×IDE
81  Download Essential F# 15,092 ×.NET×Other Languages
39  Download Essential EMF 15,018 ×Architecture×Eclipse×Java×Other Languages×XML
42  Download Seam UI 14,938 ×Design/UX×Java×Standards
167  Download Software Configuration Management Patterns 14,923 ×Architecture×Agile
200  Download Java Performance Optimization 14,912 ×Java×Performance×JVM
122  Download Functional Programming with Clojure: Simple Concurrency on the JVM 14,681 ×Clojure×Java
47  Download The Top Twelve Integration Patterns for Apache Camel 14,651 ×Architecture×Java×XML
77  Download Core WS-BPEL: Business Process Execution Language 14,540 ×Agile/Methodologies×Other Languages×Standards
193  Download Core Python 14,459 ×Python×Core
199  Download Debugging JavaScript 14,280 ×JavaScript
124  Download PHPUnit: PHP Test-Driven Development - Automated Tools to Improve Your PHP Code Quality 14,264 ×ALM×PHP
89  Download Getting Started with the Zend Framework 14,205 ×IDE×Open Source×PHP
36  Download Core Mule 14,137 ×Architecture×Open Source×SOA
100  Download Getting Started with Fitnesse 14,005 ×ALM
148  Download Mastering Portal UI Development With Vaadin and Liferay 13,983 ×Content Management×Design/UX×Java
92  Download Getting Started with Silverlight and Expression Blend 13,884 ×.NET×C#×Design/UX×IDE
146  Download Flex Mobile Development: Build Apps for Android, iOS, and BlackBerry Tablet OS 13,767 ×Android×Flex/ActionScript×IDE×iOS
9  Download Flexible Rails: Flex 3 on Rails 2 13,717 ×Flex/ActionScript×Ruby
136  Download WebMatrix: Advanced Web Development Made Simple 13,628 ×.NET×Content Management×E-Commerce×PHP×Windows
184  Download Core Spring Data 13,497 ×Database×Java×Architecture×NoSQL
157  Download Database Partitioning with MySQL: Improving Performance, Availability, and Manageability 13,316 ×Database×Open Source
149  Download Chef: An Open Source Tool for Scalable Cloud and Data Center Automation 12,728 ×
65  Download ServiceMix 4.2: The Apache Open Source ESB 12,597 ×Architecture×Open Source×SOA×Web Services/Servers
23  Download PHP 5.4 12,415 ×PHP
156  Download JavaFX 2.0: A Rich Client Platform for Java 12,388 ×Java×Design/UX
189  Download Core C++ 12,319 ×C++×Core
134  Download Cloud Computing with Windows Azure Platform 12,253 ×.NET×Cloud×Windows
182  Download Practical DNS: Managing Domains for Safety, Reliability, and Speed 12,107 ×DevOps×ALM
183  Download Data Mining: Discovering and Visualizing Patterns with Python 12,088 ×Database×Python×Architecture×Big Data
40  Download Apache Tapestry 5.0 12,047 ×Design/UX×Java×Standards
161  Download Jenkins on PaaS: Continuous Integration with Jenkins for Java Projects 11,883 ×CI×Open Source×Java
185  Download Getting Started with Subversion 11,654 ×ALM×Open Source
194  Download Search Patterns 11,609 ×Search×Patterns
68  Download Getting Started with Oracle Berkeley DB 11,499 ×Database×NoSQL
180  Download Preparing for Continuous Delivery 11,422 ×Agile/Methodologies×ALM×DevOps
75  Download Getting Started with BlazeDS 11,322 ×Flex/ActionScript×Java×Web Services/Servers
160  Download Data Warehousing: Best Practices for Collecting, Storing, and Delivering Decision-Support Data 11,141 ×Database×Big Data×Business Intelligence/Reporting
115  Download Getting Started with Infinispan 10,806 ×Database×Java×NoSQL×Open Source×XML
159  Download Apache HBase: The NoSQL Database for Hadoop and Big Data 10,757 ×Database×Big Data
52  Download IntelliJ IDEA: Updated for 8.1 10,423 ×IDE
187  Download Spring Batch 10,417 ×Spring×Java×Architecture×framework
170  Download Camel Essential Components 10,162 ×Architecture×Java×XML
142  Download Adobe Flash Builder 4.5: Develop for Web, Desktop and Mobile 10,082 ×Flex/ActionScript×IDE
195  Download HTML5 IndexedDB 10,030 ×HTML5×Database
140  Download Mule 3.3: Simplifying SOA 10,016 ×SOA×Open Source×Web Services/Servers
107  Download Getting Started with Griffon 9,960 ×Groovy×Open Source
49  Download BIRT 3.7 Report Design: Eclipse-Based BI and Big Data Visualization 9,826 ×ALM×Business Intelligence/Reporting×Eclipse×Java×Big Data
191  Download Getting Started with PhoneGap 9,787 ×Mobile×HTML5×PhoneGap
132  Download Mastering Portals with a Portlet Bridge 9,740 ×Architecture×Content Management×Design/UX×Java×Standards
121  Download Open Source Media Framework: Building Simple Custom Video Players 9,667 ×Design/UX×Flex/ActionScript×Video/Animation
197  Download Spring Integration 9,598 ×Java×Spring×Integration
175  Download Core Dart: The Next-Generation Client-Side Web Programming Language 9,584 ×JavaScript
91  Download Getting Started with Adobe Flash Builder 4 9,581 ×Flex/ActionScript×IDE
53  Download Getting Started with db4o: Persisting .NET Object Data 9,234 ×.NET×Database
66  Download Getting Started with ColdFusion 9 9,056 ×ColdFusion
127  Download Developing a Silverlight Application for Windows Phone 7 8,939 ×.NET×Windows Phone
73  Download Getting Started with LiveCycle Data Services ES 8,785 ×Database×E-Commerce×Flex/ActionScript×Java
179  Download Sencha Touch 8,613 ×HTML×JavaScript×Android
188  Download Business Rules Management with Drools 8,197 ×Java×BPM
181  Download Binary Repository Management: Patterns for Performance, Security, and Traceability 7,792 ×DevOps×ALM
176  Download Essential Couchbase APIs: Open Source NoSQL Data Access from Java, Ruby, and .NET 7,302 ×Database×Java×.NET×Ruby
88  Download Getting Started with Caucho Resin 6,898 ×Java×Standards×Web Services/Servers
113  Download Getting Started with Adobe Flash Catalyst 6,461 ×Design/UX×Flex/ActionScript
116  Download Adobe ColdFusion Web Services for PHP Programmers 5,772 ×ColdFusion×PHP×Web Services/Servers
96  Download Getting Started with PHP and Flex 5,548 ×Flex/ActionScript×PHP
201  Download Reactive Programming with Akka 5,428 ×Scala×Java×Akka
103  Download Leveraging ColdFusion 9 Exposed Services from Java 5,219 ×ColdFusion×Java×Web Services/Servers
90  Download Getting Started with Adobe ColdFusion Builder 5,186 ×ColdFusion×IDE
143  Download ColdFusion Builder 2: Faster Coding, Less Errors 4,014 ×ColdFusion×IDE
190  Download Essential PostGIS 3,619 ×PostGIS×Geodata