Archived Webinars and Screencasts

Developing Microservices with Apache Camel - Video from November 2015 at the MSA Day in New York where Claus Ibsen talks developing Camel based microservices for docker containers running on Kubernetes.
Wild Flies and A Camel - Video from Oredev 2015 where Markus Eisele talks about Apache Camel and JBoss Wildfly.
JavaOne 2015 Riding a Camel through the JEEHara - Video from JavaOne 2015 where Markus Eisele introdu ces Apache Camel and how to use it with JEE.
Apache Camel in the clouds - Video from Devnexus 2015 where Markus Eisele talk about Apache Camel in the clouds running on openshift
GeeCON 2015: Markus Eisele - Wild Flies and a Camel - Java EE Integration - Video from GeeCon 2015 where Markus Eisele talks about Apache Camel and how Camel can work with Wildfly
Hvordan få en kamel til å danse (September 2014) by Per Jørgen Walstrøm & Audun Fauchald Strand - (JavaZone 2014) in Norwegian
Integration using Apache Camel and Groovy (June 2014) by Claus Ibsen, presenting Camel, Groovy, and hawtio at gr8conf 2014.
Effective System Integrations with Apache Camel (March 2014) by Jakub Korab
Getting started with Apache Camel video from BarcelonaJUG (January 2014) by Claus Ibsen
Camel in the cloud demo from CamelOne 2013 - Video presentation from CamelOne 2013 demonstrating Camel in the cloud using Fuse Fabric and hawtio
Getting started with Apache Camel - Video presentation from Javagruppen meeting by Claus Ibsen (May 2013)
Apache Camel Essential Components by Christian Posta (January 2013)
Leverage Enterprise Integration Patterns with Apache Camel and Twitter by Bruno Borges (JavaOne 2012)
Riding the Apache Camel into the cloud James Strachan (QCon 2012)
Migrating akka-camel module to Akka 2.x by Peter Gabryanczy (ScalaDays 2012)
Confident Data Transfers with Apache Camel Security by Dominik Schadow (JavaOne 2012)
CamelOne 2012 Videos - All the videos from the CamelOne 2012 conference (May 2012)
JavaOne 2012 - Leverage Enterprise Integration Patterns with Apache Camel and Twitter by Bruno Borges (JavaOne 2012)
Using Apache Camel and Java EE in an OSGi World by Jeff Genender and Johan Edstrom (JavaOne 2011)
Er Apache Camel riktig valg for deg? Lytt til erfarne Camel spotters by Rune Peter Bjørnstad, and Bjørn Nordlund(September 2011)
In the brain of James Strachan, riding the Camel - by James Strachan (August 2011)
CamelOne 2011 Video presentations CamelOne 2011 conference (May 2011)
What Riding the Camel can make integration easier for you by Claus Ibsen (September 2011)
Paris JUG 2011 - Integration with Apache Camel and ESB by Charles Moulliard
JEEConf 2011 - What riding the Camel can do to make integration eas ier for you by Claus Ibsen (May 2011).
Belgium JUG 2011 - Integration with Apache ServiceMix and Camel by Charles Moulliard
Devoxx 2011 - Introduction to Apache ActiveMQ, ServiceMix, Camel and CXF by Charles Moulliard and Gert Vanthienen
Claus Ibsen's Devoxx 2010 talk is all about Apache Camel
Introduction to messaging with A ctiveMQ at Øredev 2008 conference by Bruce Snyder
James Strachan's Devoxx 2009 talk is mostly about Camel and ActiveMQ
ScreenCast: an introduction to Apache Camel and the use of Enterprise Integration Patterns in Medium Resolution or High Resolution by James Strachan
Taking Camel for a ride by Bruce Snyder
JavaZone Conference - Taking Apache Camel for a Rider - Video presentation by Bruce Snyder (September 2008)
Videos de las charlas de la 9a reunión de JavaMexico (Spanish) by Domingo Suarez
Screencast/Demo of Smooks and Apache Camel processing UN/EDIFACT - by Tom Fennelly
Facebook integration Apache Camel - 15 min screenshot showing how to integrate Camel with Facebook. This screenshot is part of a series, with new videos coming up.

Articles

Articles are divided into several sections. As the lists grow, further sectioning refinements may be necessary.

General Articles

Open Source Integration with Apach e Camel by Jonathan Anstey
Integration with Apache Camel - Part I - Will get you over the hump, by detailing the inner workings of Apache Camel from the DSL to routes and exchanges. by Charles Moulliard
Simple DSL OSGi bundle example by Andrej Koelewijn
Realization of EAI Patterns with Apache Camel by Pascal Kolb
Navigating the Integration Landscape - Claus Ibsen on Apache Camel Claus Ibsen was interviewed at DZone discussing the integration landscape
Enterprise Integration Pattern with Apache Camel 2.0 by Julien Dechmann
Camellos - Discovering Apache Camel by Gunnar Hillert
First step with Apache Camel by Lukasz Budnik
Devoxx talk about Apache Camel - Impressions from the talk by Jos Nieuwenhuis
LEGO Java: Apache Camel Context and Route Basics shows how to build integration applications using EIPs LEGO style. Building an application to parse HTML pages from web sites.
LEGO® Java (II): Apache Camel Error Handling, Java Beans and Web Services
Getting started with Apache Camel using Groovy by Zemian Deng
Introduction to Apache Camel by Alexander Holbreich
What is Camel? a short blog about what Camel is, leading up to slides from a recent Camel presentation in autumn 2012.
Getting started with Apache Camel a short blog from December 2012 about how to implement an use-case from scratch with Apache Camel.
Discovering the power of Apache Camel - A blog post from December 2012 by Bernard Ligny
Growing EAI with Apache Camel - Good lengthy article from March 2013 covering simple integration needs that grows and shows how Camel can be up for the task. Recommend read.
Getting started with Apache Camel using Java - A blog post from August 2013 introducing how to create a new Camel project from scratch and use Java code. And then make the example better with less code and using more of Camels power.
SOA Integration with Apache Camel - Article from September 2013 introducing to Apache Camel and how it can be used with SOA and Web Services.
Tutorial: Integration with Apache Camel by Charles Moulliard (September 2013)
Knowledge Tree integration using Apache Camel
Introduction to the Open eHealth Integration Platform (based on top of Apache Camel) Excellent DZone article by Martin Krasser
Camel vs. JBI by Adrian Trenaman
Hiding The Middleware from Your Domain Code With Camel by James Carr
Tutorial: Open Source Enterprise Application Integration DEBS’13 by Christoph Emmersberger and Florian Springer
Developing Services with Apache Camel - 3 part blog series (sep/oct 2014) by Matt Raible - Excellent blog series where Matt covers how they migrated from an old legacy system to using Apache Camel and micro services. A great read!
Q&A With Claus Ibsen on Apache Camel - Claus was interviewed by DZone in December 2015 where he talks Apache Camel, including development inspiration, community reaction, and challenges.
Performance Tuning Ideas for Apache Camel - Bilgin details many ideas what you can do to optimize your systems that are using Apache Camel (January 2016).

Using Camel

These examples show usage of several different components and other concepts such as error handling.

A bit more meat: Camel applied : JMS to File by Mike McLean
Matteo wrote a blog entry about using Camel with iBatis
Using the Camel aggregator correctly by Torsten Mielke
Spring Remoting with JMS Example on Amin Abbaspour's Weblog
Camel routes and HL7 by Roger Searjeant
Leverage EIP with Apache Camel and Twitter by Bruno Borges
Using RSS with Apache Camel by Jeroen Reijn
Axis 2 ride with Camel how to use Axis 2 with Camel by Sagara
A Camel based XML payload HTTP polling provider by Christopher Hunt
First steps with Apache Camel on Google App Engine by Martin Krasser
Camel, CXF and JMS by Example by Silvester van der Bijl
A simple file monitoring console with camel, cometd and jquery by Andrej Koelewijn
Advanced Event Notification Framework with Apache Camel by Hendy
Camel IRC Message Route Example by James Carr
A composite REST service using Apache Camel by Andrej Koelewijn
EDA events over system boundaries with Camel by Sculptur team blog
Dynamic FTP Client using Apache Camel and Spring by Mattias Severson
Using Apache Camel to route SOAP calls through message queues by Glen Mazza
Virtual ESB - application integration made painless with Apache Camel by Piotr Jagielski
Application-Monitoring & Statistics-Collection with Apache Camel by Martin Huber
Camel exception handling overview by Ben O'Day
Remote Observer Pattern with Publish-Subscribe via XMPP by Hendy
Implementing Asynchronous Observer Pattern with Bean Proxy by Hendy
Apache Camel Example Application - Earthquake Mashups showing how Camel using|\ EIPs can gather online earthquake and weather data and expose REST service.
RouteBuilding with inherited configurations by Martin Huber
Mathew's Thoughts on Apache Camel shows how Apache Camel easily can route messages from a JMS topic to files using the Content Based Router EIP. More blog posts to come.
Transparent Asynchronous Remoting via JMS by Harald Wellman
Dynamic Routing Using Health Information Policy with Apache Camel by Edward Brown and Jamie Goodyear
Transforming and splitting huge EDI files using Smooks and Camel by Claus Straube
JDBC Persistence for Camel Aggregator talks about how to use the Agreggator EIP with persistence support.
TCP proxy with Apache Camel by Scott Cranton
Process driven Froms with Apache Camel and websockets shows how to use web sockets with Camel with an Web UI example.
Calling WebServices with Apache Camel by Marcelo Jabali
Apache Camel and SOAP by Jan Kronquist
Using Apache Camel to monitor SNMP devices by Marcelo Jabali
Website mashup with Apache Camel by Jean-Baptiste Onofré
Error handling in Camel for JMS consumer endpoint by Torsten Mielke
Cloud integration with Apache Camel and Amazon web services s3 sqs and sns by Kai Wähner
Visual IDE said to jump start Camel mediation routing - Article from TechTarget magazine about visual IDE for Camel development
Using the MINA component in Apache Camel - Blog post by Marcelo Jabali
Using HTTP-based endpoints with Apache Camel - Blog post by Marcelo Jabali
Cloud Notifications with Apache Camel - Blog post by Ioannis Canellos
Hot Standby failover for Apache Camel by Christian Schneider
Combine Yahoo Finance and HBase using Camel - Blog post Robert Felker writing about how to gather finance statistics from Yahoo using Camel with HBase and REST.
Splitting big XML files with Camel - Part 1 - This blog post covers how to split big XML files in a streaming mode using new functionality introduced in Camel 2.9, and explains some of its inner details.
Splitting big XML files with Camel - Part 2 - This covers splitting big XML files using the new camel-stax component, introduced in Camel 2.9.
Correlating logs from redelivered messages - by Claus Ibsen
Using Apache Camel to Manage Amazon EC2 Startup/Shutdown by Jeff Davis
Easy Handmade SOAP-Webservice-Versioning With Apache Camel by Martin Huber
Using twitter and web socket with Apache Camel by Claus Ibsen
Gotcha when using Camel Servlet - A blog post with some advice when using the Camel Servlet component.
Working with EMail attachments - by Jason Sherman
Using Quartz, Camel and Spring for Distributed Service Orchestration - by Nestor Urquiza
Camel and MongoDB: a match made in heaven - Introduction to the Camel MongoDB component launched with the Camel 2.10 release.
EIP in Action - A blog post with 4 use-cases that demonstrates how to use EIPs in theory and Camel in practice.
Monitoring and managing Apache Camel using JMX - A blot post giving an overview of the monitoring and management capabilities Camel offers out of the box with JMX, and how you can have your custom Camel components / processors / beans included as well.
Olympics Image loader powered by Apache Camel - Bilgin shows how to write a little website displays twitter images related to the Olympics in real time.
Camel and RabbitMQ - A blog post showing how to integrate Camel with RabbitMQ
Monitoring Camel applications on the Cloud - by Bilgin Ibryam
Some Camel Stuff - A blog post from February 2013 by John Källström
Apache Camel for home monitoring - A good blog post from February 2013 how to use Camel to pickup files from a home monitoring system that post temperature changes and route them to MQTT broker, and store in a SQL Database.
Designing and Implementing our Camel-based mgm Cosmo Router - First blog of a series of blogs on experience with using Apache Camel implementing a solution for integrating an insurance software with a CRM system. Recommended read.
Lessons learned from using Apache Camel, MTOM and JMS - Blog post on experience using SOAP with MTOM (using Apache CXF) and JMS (using Apache ActiveMQ).
Camel CXF Component – WSDL First Example - A simple WSDL first Camel CXF producer and consumer.
Camel CXFRS Component - Simple REST - A simple CXFRS example exposing a REST interface to a database table.
From inside the code: Camel RouteBuilder and Java DSL - A deep dive into the internals of Apache Camel to see how the Java DSL works
From inside the code: Camel Routing Engine Part I - A deep dive into the internals of Apache Camel to see how Camel setup the routes
Testing Camel JPA routes with Pax-Exam and Karaf - This blog is about how to use JPA, CXF and ActiveMQ with Camel in Karaf and how to do the testing best
Testing with Apache Camel - Blog post from April 2014 by Gnanaguru summarizing his experience looking into unit testing with Camel and all the possible ways this can be done.
Correctly using Camel's AdviceWith in Unit Tests from April 2014 by Dugg Turnbull talking about his experience how to write unit tests with the powerful advice with functionality in Camel.
Parleys Rest SMS with Apache Camel from April 2014 Imran Raza Khan talking about how to send SMS text messages using REST api with Apache Camel.
Camel HTTP file upload with multipart/form-data from August 2014 by Peter Hilton how to send files over legacy system using HTTP built using Scala and the Scala DSL.
Spring Boot, Docker and Websocke ts Integration with Apache Camel from April 2015 by Andrew Block how to build a Camel web app using Spring Boot that listen for docker events in a HTML5 web app using web sockets in a micro style manner.
Using basic authentication and Jetty realms to protect Apache Camel REST routes from June 2015 by Dan Moore writes how to use basic auth with the Rest DSL and Jetty as component.
Using Camel, CDI inside Kubernetes with Fabric8 from June 2015 by Ioanis Cannelos who writes how to build Camel microservices with CDI and have services discovery and injection with CDI for Docker containers running on Kubernetes with fabr ic8.
Learn Apache Camel - Indexing Tweets in Real-Time from September 2016 by David Kiss, how to pull in tweets in real time and index those in elasticsearch and use a see the data in graphical dashboard.

Tooling / Combination with other Products

These examples show Camel combined with several tools (e.g. IDE), ESBs, Application Services, and other middleware products such as messaging or OSGi container.

Wanna try our Apache Camel developer tools for Enterprise Integration Patterns? by James Strachan
Using NetBeans 7.0 to create a new Apache Camel project shows how to start from scratch in NetBeans to setup a Apache Camel project (tutorial style with screenshots)
Using NetBeans 7.0 to create a new Apache Camel project without Spring dependency shows how to start from scratch in NetBeans to setup a Apache Camel project (tutorial style with screenshots) without any Spring dependency
Integrating Apache Camel with JBoss ESB by Edgar Ankiewsky
Combining ApacheCamel+BSF to make JBoss ESB polyglot by Edgard Ankiewsky Silva
Implementing Fuji integration scenario using Camel SE by Louis Polycarpou
An IRC alerter written using Apache Camel and Java how to easily integrate IRC with Camel to monitor and do alerts.
Things to consider when selecting between Apache Camel and Apache Servicemix by Ashwin Karpe
A jira notification system for irc using Camel by Guillaume Nodet
Camel + Smooks from the official Smooks blog about Smooks integration Camel out of the box.
Getting Started with Apache Camel and prepare for Apache ServiceMix deployment by Magnus K Karlsson
Smooks OSGI: Camel, UN/EDIFACT, ServiceMix shows how to use Smooks with Camel running in the Apache ServieMix OSGi container.
ServiceMix bridge to IBM WebSphereMQ how to bridge ActiveMQ and IBM WebSphereMQ with Camel running inside Apache ServiceMix 4.x (OSGi based).
Camel integration with Oracle WebLogic JMS by Lowry Curry
Camel integration with WebSphere MQ by Lowry Curry
jBPM5/Drools Apache Camel integration a blog entry talking about JBMP5/Drools integration with Apache Camel.
Use remote EJB in Camel routes by Jean-Baptiste Onofré
Use Camel, CXF and Karaf to implement batches by Jean-Baptiste Onofré explains how to control a Camel route from another route and a JAX-RS server using CXF, package into an OSGi bundle ready to run in Apache Karaf.
Karaf Tutorial Part 5 - Running Apache Camel integrations in OSGi by Christian Schneider
Unit testing OSGi Blueprint with Apache Camel made easier - Blog post how Camel Testing with OSGi blueprint became much much easier, than having to resort to use pax exam.
Communication between two remote Camel routes using Apache Karaf Cellar by Jean-Baptiste Onofré
How to Start/Stop Camel Routes on an ActiveMQ Slave - by Jason Sherman
Article about testing WMB - This article shows a hands-on approach of how you can test your IBM WebSphere Message Broker solutions in a simple way using modern tools, such as Apache Camel.
Tools for building a real time analytics platform - Article demonstrating using Apache Camel and Storm for real-time analytics.
camunda BPM + Apache Camel: Integrating two Open Source frameworks for a lightweight BPM+SOA infrastructure - From the Camunda team blogging how to use their product together with Apache Camel using a camunda-bpm component.
Add Apache Camel and Spring as JBoss modules in WildFly - How to reuse Camel JARs as JBoss Modules with WildFly
Running Camel on EAP - by Christian Posta, how to run Apache Camel on JBoss EAP / Wild fly using JBoss Modules.
Bootstrapping Apache Camel in Java EE7 with WildFly 8 - by Markus Eisele, how to run Apache Camel on WildFly using CDI, as well information about other EE7 examples for Apache Camel.
Your Apache Camel applications now includes out of the box documentation - by Claus Ibsen, blogs about new functionality in Camel 2.15 onwards that means all EIP and component documentation is out of the box at runtime.
Some great hawtio videos by Robin Huiser - Three videos of demonstrating hawtio and Apache Camel in action.
Using Camel Routes In Java EE Components - by Markus Eisele in June 2015 how to get started using Camel on Wildfly.
Sending JMS Messages From WildFly 8 To WebLogic 12 with Camel - by Markus Eisele in June 2015 how to bridge JMS to/from WebLogic with Camel running on Widlfy.
Using JPA And CDI Beans With Camel on WildFly - by Markus Eisele in June 2015 how to use JPA, CDI with Camel running on Wildfly.
A universal Streamer for Apache Ignite based on Apache Camel - by Raúl Kripalani on the integration between Apache Ignite and Apache Camel.
Video of Apache Camel tooling to edit your routes in type safe manner - A 10 minute video from December 2015 where Claus Ibsen demonstrates light-weight Camel tooling to edit Camel routes/endpoints in type safe manner from different IDEs.
Video of fabric8 Apache Camel Maven Plugin to validate your Camel source code - A 12 minute video from January 2016 where Claus Ibsen demonstrates a new Maven plugin that allows to validate your Camel routes and endpoints from the source code, so you can catch any type errors and invalid configurations at code time, instead of having Camel fail at runtime.

Camel and Groovy

A Groovy ride on Camel by Jack Hung (December 2009)
Using Groovy and Camel to pool Google Analyst email reports by Mr. Haki (April 2009)
Using grails-camel plugin to work with Camel in Grails land by Mr. Haki (April 2009)
Send mail with Apache Camel from Grails by Mr. Haki (April 2009)
Groovy and Grape - easiest way to send gtalk message with Apache Camel by Andrej Koelewijn (February 2009)

Camel and Scala

Interview with Martin Krasser about camel-scalaz from Jaxcenter. Scalaz-Camel: fully leveraging 'what Scala and Scalaz offers for functional programming.'
Apache Camel and Scala: A powerful Combination by Kai Wähner
A little Scala DSL example - A little blog post showing how to use the Camel Scala DSL levering Scala functions directly in the DSL.
Apache Camel’s Scala DSL explored - A blog post using Camel and Scala to build a powerful solution to decouple systems. Using HTTP, JSon and Scala case classes in a nice way.
Using Apache Camel with Scala and the Camel Scala DSL - A tutorial from Feb 2013 on using Camel and Scala DSL with a number of examples using the EIPs and Camel Components, and with source code.
Apache Camel with Scala testing styles - A blog post on different approaches of camel testing with ScalaTest.
Apache Camel with Scala: Extending DSL - A blog post extending the Camel Scala DSL

Camel and Clojure

Using Apache Camel from Clojureby Jason Whitlark (June 2010)

Camel and the IoT (Internet of Things)

Make Your IoT Gateway WiFi-Aware Using Camel and Kura - DZone article by Henryk Konsek (2015)
IoT gateway dream team - Eclipse Kura and Apache Camel - slides from the Henryk Konsek talk for Eclipse IoT Virtual Meetup (2015)
IoT gateway dream team - Eclipse Kura and Apache Camel - video from the Henryk Konsek talk for Eclipse IoT Virtual Meetup (2015)
The IoT in the service of the environment using Apache Camel & JBoss A-MQ - blog post by Abdellatif Bouchama from June 2015 how Apache Camel doing IoT to help measure air quality in the streets of France
Where am I? Collecting GPS data with Apache Camel DZone article by Henryk Konsek (2015)

Comparison to Camel's Competitors

Apache Camel and other ESBs (Camel vs Mule) - A question on Stackoverflow originally from 2010 but with a great showcase of what is the status 5 years later according to Raul's answer, and follow up comments from Claus.
Mule vs Spring Integration vs Apache Camel compared by Black Duck Open Hub - by Clays Ibsen (December 2015) - How to use Open Hub to compare these projects side by side.
Apache Camel vs Spring Integration - by Bjorn Beskow (October 2015) - Compares the new SI Java-8 DSL with the Camel Java DSL.
Light-weight, open-source integration: Apache Camel or Spring Integration? by Christian Posta (September 2013)
Apache Camel vs Spring Integration - (July 2013)
Spring Integration 2.2 is out, it is time for another comparison with Apache Camel - by Bilgin (December 2012)
Spring Integration Project Creation VS. Apache Camel Project Creation by Claus Ibsen (April 2012)
Spring Integration and Apache Camel by Biju Kunjummen (December 2009)
Apache Camel alternatives by Gunnar Hillert (October 2009)

Presentations on Apache Camel

Implementing Enterprise Integration Patterns with Apache Camel presentation by Eduard Hildebrandt
Dead Simple Integration with Apache Camel by Aaron Mulder
Claus Ibsen's Apache Camel presentation at the FUSE community day in London 2010.
FuseSource presentations on Camel and other related Apache projects
Claus Ibsen presented Apache Camel at Devoxx 2010 - Slides from the presentation Claus did at the Devoxx conference.
Introduction to Apache Camel is a nice set of slides to get familiar with Apache Camel.
Systems Integration in the Cloud Era with Apache Camel (presented by Kai Wähner ( Confess 2012 in Austria)
Business Process Management (BPM) beyond Web Services with Apache Camel and Activiti by Kai Wähner (CamelOne 2012)
Spoilt for Choice - Which Integration Framework to use? by Kai W&# 228;hner (CamelOne 2012 in Boston)
Getting started with Apache Camel - at Devconf february 2013. Presentation by Claus Ibsen
CamelOne 2013 - CamelOne conference with various talks with Camel, ActiveMQ, ServiceMix, CXF, Karaf both technical and real-life presentations.
Getting started with Apach e Camel - at Barcelona JUG january 2014. Presentation by Claus Ibsen.
Workshop with Apache Camel - at Barcelona JUG january 2014. Given by Claus Ibsen.
Microservices with Apache Camel - at London Microservices Day June 2015 presented by Claus Ibsen.
Developing, Testing and Scaling with Apache Camel - at UberConf 2015 by Matt Raible. A presentation how Matt migrated a legacy system to open source with Apache Camel and Spring Boot. And how to integrate test with Camel and Gatling.
Apache Camel Introduction & What's in the box - Slides from JavaBin talk in Grimstad Norway, presented by Claus Ibsen in February 2016. This slide deck is full up to date with latest Apache Camel 2.16.2 release and includes additional slides to present many of the features that Apache Camel provides out of the box.

Podcasts

James Strachan was interviewed by Dana Gardner
Episode 35 - A few beers with Chariot's Open Source Integration Experts - Chariot TechCast Episode 35 where they talk about: ServiceMix, Camel, FUSE, Mule, Spring Integration, EIP, ESB etc.
The Basement Coders Episode 14 - Apache Camel - Basement Coders discusses Apache Camel. You may want to skip to the 25 minute where they start talking about Camel.
JBoss Asylum Podcast Episode 28 - Fuse stories - Podcast from January 2013 with Ja mes Strachan and Rob Davies with the background history and how they got into creating Apache Camel, and how they tink Camel has become such successful.
Podcast James Strachan - Mr Apache Camel - Podcast from February 2013 with James Strachan about Apache Camel, integration and the cloud.
Developer Interview with Claus Ibsen - Video interview August 2014 with Claus Ibsen about Apache Camel, Camel tooling, and about the upcoming Camel release.

Books

Apache Camel Developer's Cookbook by Scott Cranton and Jakub Korab (Packt Publishing, December 2013)
Instant Apache Camel Messaging System by Ev geniy Sharapov (Packt Publishing, September 2013)
Instant Apache Camel Message Routing by Bilgin Ibryam (Packt Publishing, August 2013)
Camel Design Patterns by Bilgin Ibryam (LeanPub, January 2016)
Camel in Action by Claus Ibsen and Jonathan Anstey (Manning, December 2010)
Enterprise Integration Patterns by Gregor Hohpe and Bobby Woolf (Addison Wesley, October 2003)

Online Training

Introduction to Apache Camel - Pluralsight online training course covering the core Camel framework, pattern implementations and hawt.io

Other

Linkedin Apache Camel group - Linkedin group for the Apache Camel project.
Google Plus Apache Camel community - G+ community for the Apache Camel project.
EIP printable flashcards - A 6 page PDF with printable EIP cards.
There are several companies that provide extra documentation, examples, tutorials, etc... See the Commercial Camel Offerings page for more details.
Apache Camel Reference Card at DZone by Claus Ibsen
The Top Twelve Integration Patterns for Apache Camel Reference Card at DZone by Claus Ibsen
Essential Camel Components Reference Card at DZone by Christian Posta
The Apache Camel Components Poster (PDF, PDF w/ crops and bleed, JPG image, Printed) by Gliesian LLC. (October, 2013)

Blogs

Ashwin Karpe's Blog (OpenSourceKnowledge) - Ashwin is a Camel committer and writes about Camel.
Ben O'Day's Blog - Ben works in the field and sometimes blogs about Camel
Bilgin Ibryam's Blog - Bilgin blogs about Camel, OFBiz and Open Source in general.
Charles Moulliard's Blog - Charles occasionally blogs about Camel a nd OSGi
Christian Schneider's Blog - Christian occasionally blogs about Camel and CXF.
Claus Ibsen's Blog - Claus is a Camel committer since March 2008, and writes a lot about Camel.
Hadrian Zbarcea - also blogs about Camel.
James Strachan's Blog - James blogs about Camel sometimes too
Jean-Baptiste Onofré's Blog - JB blogs about Camel, CXF, Karaf, ServiceMix and OSGi in general.
Jon Anstey's Blog - Jon occasionally blogs about Camel
Kai Wähner's Blog - Kai blogs about Camel, ESB, Cloud, and present Camel at various conferences as well.
Marcelo Jarbali's Blog - Marcelo blogs about Websocket, Camel and integration.
Michael Warecki's Blog - Michael blogs about SOA, BPA and Camel.
Raul Kripalani's Blog - Raú ;l blogs about Camel, ServiceMix, ActiveMQ, CXF, SOA, Open Source in general, both in Spanish and English.
Robert James Liguori's Blog - Blogs about Java and supporting resources including Apache Camel.
Tracy Snell's Blog - Tracy frequently blogs about Camel.
Willem Jiang's Blog - Willem also writes about Camel in English and Chinese.
Souciance Eqdam Rashti - Blogs about integration and Apache Camel in English.

Twitterers

@davsclaus - Claus Ibsen (@davsclaus) tweets often about Camel, open source, and integration.
@bibryam - Bilgin Ibryam (@bibryam) tweets often about Camel.
@jstrachan - James Strachan (@jstrachan) tweets about Camel, open source and integration.
@hekonsek - Henryk Konsek (@hekonsek) tweets about Camel and the Internet Of Things

Non-English

Domain-Specific Languages (DSLs) in Apache Camel (Spanish) by Gema Perdiguero Apache Camel integration in ServiceMix (Spanish) by Sebastián Gómez
Apache Camel: Enterprise Integration met scripttalen en DSLs (Dutch) by Peter Maas
A practical example of using Camel and Groovy to post russian currency rates on Twitter in russia by dulanov
Java integration frameworks - Spring Integration vs. Apache Camel Article from April 2010 which compares the two frameworks (in french).
3 Articles about Apache Camel to push notifications to Apple devices (in French) by Alexis Kinsella
Apache Camel for beginners - In polish, article from online magazine posted in 2012 introducing Apache Camel.
Apache Camel open source integration - In German, a 20 minute video posted in early 2015 covering Apache Camel