• 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 157,455 ×Architecture
2  Download Getting Started with Ajax 92,541 ×HTML×JavaScript×Web Services/Servers
4  Download Spring Configuration 91,321 ×Java×XML
7  Download jQuery Selectors 81,436 ×CSS×JavaScript
24  Download Core Java 81,094 ×Algorithms×Java×Standards
19  Download Core CSS: Part I 79,080 ×CSS
94  Download Getting Started with Git 77,469 ×ALM×Open Source
61  Download Core Java Concurrency 75,781 ×Algorithms×Java
3  Download Getting Started with Eclipse 65,683 ×ALM×Eclipse×IDE
25  Download Core CSS: Part II 64,224 ×CSS
29  Download Essential Admin for MySQL 5.5 62,772 ×Database×Open Source
5  Download Windows PowerShell 62,450 ×.NET×Windows
123  Download HTML5: New Standards for Web Interactivity 61,893 ×HTML×Standards
34  Download Core CSS: Part III 59,183 ×CSS
50  Download Scrum 58,415 ×Agile/Methodologies
26  Download Spring Annotations 56,861 ×Java
112  Download Getting Started with UML 55,442 ×ALM×Architecture×Open Source
64  Download Core HTML 53,326 ×HTML
129  Download REST: Foundations of RESTful Architecture 52,266 ×Standards×Web Services/Servers
55  Download Apache Maven 2 50,391 ×ALM×Java×Open Source
28  Download JUnit and EasyMock 48,760 ×ALM×Java
35  Download Using XML in Java 46,532 ×Java×XML
22  Download Getting Started with JPA 46,359 ×Database×Java×Standards
16  Download C# 46,023 ×.NET×C#
38  Download SOA Patterns 45,987 ×Architecture×SOA×Web Services/Servers
76  Download Getting Started with Domain-Driven Design 45,298 ×Agile/Methodologies×Architecture
95  Download Getting Started with Java GUI Development 42,895 ×Design/UX×Java
6  Download Dependency Injection in EJB 3 42,018 ×Java×Standards×XML
21  Download JavaServer Faces 41,161 ×Design/UX×Java×Standards×XML
84  Download Continuous Integration: Patterns and Anti-patterns 40,316 ×ALM
58  Download JavaServer Faces 2.0 39,073 ×Java×Standards
82  Download Getting Started with Cloud Computing 38,495 ×Cloud
130  Download Designing Quality Software: Architectural and Technical Best Practices 38,462 ×Architecture
15  Download Groovy 38,250 ×Groovy×Java
101  Download JDBC Best Practices 37,513 ×Architecture×Database×Java×Standards
79  Download Google App Engine for Java 34,054 ×Cloud×Java
145  Download Continuous Delivery: Patterns and Antipatterns in the Software Lifecycle 33,561 ×Agile/Methodologies×ALM×DevOps
141  Download Node.js: Building for Scalability with Server-Side JavaScript 32,713 ×JavaScript×Open Source
151  Download HTML5 Canvas: A Web Standard for Dynamic Graphics 32,705 ×HTML×Standards×JavaScript
20  Download Struts2 32,186 ×Design/UX×Java×Open Source
43  Download Scalability & High Availability 32,185 ×Architecture×Big Data×Database
32  Download Getting Started with Hibernate Search 32,165 ×Database×Java×Search
18  Download Core .NET 32,105 ×.NET×C#
105  Download Getting Started with NoSQL and Data Scalability 31,293 ×Big Data×Database×NoSQL
33  Download Essential JSP Expression Language 30,665 ×Java×Standards
174  Download Object-Oriented JavaScript: Advanced Techniques for Serious Web Applications 30,473 ×JavaScript
173  Download Core JSON: The Fat Free Alternative to XML 30,293 ×JavaScript
30  Download Essential Ruby 30,079 ×Ruby
98  Download Getting Started with Maven Repository Management 29,891 ×ALM×Java
74  Download Agile Adoption: Improving Software Quality 29,553 ×Agile/Methodologies×Architecture
99  Download Getting Started with Java EE Security 29,519 ×Java×Security×Standards
150  Download Java Enterprise Edition 6: The Most Elegant Enterprise Java yet 29,041 ×Java
85  Download Vaadin: A Familiar Way to Build Web Apps with Java 29,017 ×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 28,516 ×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 26,757 ×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 26,161 ×ALM×Java×Open Source×XML
152  Download HTML5 WebSocket: Full-duplex Real-time Web Communication 26,151 ×HTML×Standards×JavaScript
117  Download Getting Started with Apache Hadoop 26,135 ×Architecture×Big Data×Database×Open Source
109  Download Getting Started with Kanban for Software Development 26,093 ×Agile/Methodologies
14  Download NetBeans IDE 7: Programming in Java 7 25,969 ×IDE×Java×NetBeans
87  Download Continuous Integration: Servers and Tools 25,727 ×ALM×Open Source
128  Download What's New in JPA 2.0 25,511 ×Database×Java×Standards
155  Download Mockito: A Simple, Intuitive Mocking Framework 25,378 ×Java×Agile/Methodologies
172  Download HTTP: The Hypertext Transfer Protocol 24,918 ×Web Services/Servers×Standards
166  Download Patterns of Modular Architecture 24,132 ×Architecture×Java×Eclipse
54  Download Agile Adoption: Reducing Cost 23,894 ×Agile/Methodologies
67  Download Getting Started with Selenium 23,876 ×ALM×JavaScript×Open Source
139  Download Spring Roo: Making Java Fun Again 23,778 ×IDE×Java
13  Download RSS and Atom 23,770 ×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 23,219 ×Eclipse×IDE×Java
59  Download Getting Started with Drupal 7 23,048 ×PHP×Content Management×Drupal
46  Download Core ASP.NET 22,854 ×.NET×C#
196  Download Regular Expressions 22,783 ×Algorithms×Patterns×Search
118  Download Getting Started with Visual Studio 2010 22,680 ×.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 22,116 ×Java
78  Download Getting Started with Virtualization 22,076 ×.NET×Virtualization
45  Download Agile Adoption: Decreasing Time to Market 21,902 ×Agile/Methodologies×ALM
60  Download Getting Started with Grails 21,099 ×Groovy
168  Download Refactoring Patterns 21,074 ×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 20,490 ×ALM×JavaScript×Open Source
165  Download Deployment Automation Patterns 20,352 ×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 20,167 ×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 19,881 ×ALM×IDE
198  Download Java Enterprise Edition 7: Streamlining Modern Java Development 19,821 ×Java
62  Download Getting Started with Eclipse RCP 19,294 ×Eclipse×IDE
111  Download Getting Started with Windows Communication Foundation 4.0 19,257 ×.NET×Web Services/Servers
169  Download Essential Apache HTTP Server 19,144 ×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 18,602 ×ALM×Open Source
102  Download Flex 4 and Spring 3 Integration 18,291 ×Flex/ActionScript×Java×Web Services/Servers×XML
158  Download Big Data Machine Learning: Patterns for Predictive Analytics 18,154 ×Algorithms×Database×Big Data
126  Download Liferay Essentials: A Definitive Guide for Enterprise Portal Development 18,014 ×Content Management×Design/UX×Java
41  Download SOA Governance 17,911 ×SOA
144  Download EclipseLink JPA: An Advanced ORM Persistence Framework 17,906 ×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 17,688 ×Eclipse×IDE×Java
31  Download Core Seam 17,660 ×Java×Security×XML
72  Download Getting Started with Windows Presentation Foundation 17,648 ×.NET×Design/UX
177  Download HTML5 Web Workers: Multithreaded JavaScript for High-Performance Web Applications 17,569 ×HTML×Javascript×Architecture
163  Download Code Gems for Android Developers: Working with the World's Most Popular Mobile OS 17,543 ×Java×Android
137  Download Understanding Lucene: Powering Better Search Results 17,512 ×Algorithms×Java×Search×XML
10  Download Silverlight 2 17,508 ×.NET×C#×Design/UX
63  Download Getting Started with Apache Wicket 17,348 ×Design/UX×Java×Open Source
133  Download Apache Hadoop Deployment: A Blueprint for Reliable Distributed Computing 17,298 ×Algorithms×Architecture×Big Data×Database×Open Source
48  Download Flex & Spring Integration 17,252 ×Flex/ActionScript×Java×XML
171  Download MongoDB: Flexible NoSQL for Humongous Data 17,223 ×Architecture×NoSQL×Database
69  Download Getting Started with ASP.NET MVC 1.0 16,759 ×.NET
138  Download RichFaces 4.0: A Next Generation JSF Framework 16,685 ×
164  Download Scala: The Scalable JVM Language 16,588 ×JVM×Java×Scala
186  Download HTML5 Mobile Development 16,130 ×HTML×HTML5
153  Download Apache Cassandra: A Fault-Tolerant, Massively Scalable NoSQL Database 16,107 ×Database×NoSQL
192  Download CSS3: Basics 16,076 ×CSS×CSS3×Web Design
80  Download NetBeans Platform 7.0: A Framework for Building Pluggable Enterprise Applications 15,917 ×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 15,460 ×Java×Web Services/Servers
131  Download ADO.NET Entity Framework: Object-Relational Mapping and Data Access 15,216 ×.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 14,874 ×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 14,650 ×Architecture×Java×XML
77  Download Core WS-BPEL: Business Process Execution Language 14,539 ×Agile/Methodologies×Other Languages×Standards
193  Download Core Python 14,454 ×Python×Core
199  Download Debugging JavaScript 14,276 ×JavaScript
124  Download PHPUnit: PHP Test-Driven Development - Automated Tools to Improve Your PHP Code Quality 14,263 ×ALM×PHP
89  Download Getting Started with the Zend Framework 14,204 ×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 13,981 ×Content Management×Design/UX×Java
92  Download Getting Started with Silverlight and Expression Blend 13,883 ×.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 13,627 ×.NET×Content Management×E-Commerce×PHP×Windows
184  Download Core Spring Data 13,496 ×Database×Java×Architecture×NoSQL
157  Download Database Partitioning with MySQL: Improving Performance, Availability, and Manageability 13,313 ×Database×Open Source
149  Download Chef: An Open Source Tool for Scalable Cloud and Data Center Automation 12,726 ×
65  Download ServiceMix 4.2: The Apache Open Source ESB 12,596 ×Architecture×Open Source×SOA×Web Services/Servers
23  Download PHP 5.4 12,414 ×PHP
156  Download JavaFX 2.0: A Rich Client Platform for Java 12,388 ×Java×Design/UX
189  Download Core C++ 12,318 ×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 12,105 ×DevOps×ALM
183  Download Data Mining: Discovering and Visualizing Patterns with Python 12,086 ×Database×Python×Architecture×Big Data
40  Download Apache Tapestry 5.0 12,046 ×Design/UX×Java×Standards
161  Download Jenkins on PaaS: Continuous Integration with Jenkins for Java Projects 11,882 ×CI×Open Source×Java
185  Download Getting Started with Subversion 11,652 ×ALM×Open Source
194  Download Search Patterns 11,609 ×Search×Patterns
68  Download Getting Started with Oracle Berkeley DB 11,498 ×Database×NoSQL
180  Download Preparing for Continuous Delivery 11,420 ×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 11,137 ×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 10,755 ×Database×Big Data
52  Download IntelliJ IDEA: Updated for 8.1 10,423 ×IDE
187  Download Spring Batch 10,416 ×Spring×Java×Architecture×framework
170  Download Camel Essential Components 10,161 ×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 10,024 ×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 9,824 ×ALM×Business Intelligence/Reporting×Eclipse×Java×Big Data
191  Download Getting Started with PhoneGap 9,780 ×Mobile×HTML5×PhoneGap
132  Download Mastering Portals with a Portlet Bridge 9,739 ×Architecture×Content Management×Design/UX×Java×Standards
121  Download Open Source Media Framework: Building Simple Custom Video Players 9,664 ×Design/UX×Flex/ActionScript×Video/Animation
197  Download Spring Integration 9,597 ×Java×Spring×Integration
175  Download Core Dart: The Next-Generation Client-Side Web Programming Language 9,582 ×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 8,612 ×HTML×JavaScript×Android
188  Download Business Rules Management with Drools 8,194 ×Java×BPM
181  Download Binary Repository Management: Patterns for Performance, Security, and Traceability 7,791 ×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 5,771 ×ColdFusion×PHP×Web Services/Servers
96  Download Getting Started with PHP and Flex 5,548 ×Flex/ActionScript×PHP
201  Download Reactive Programming with Akka 5,420 ×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