Compare IBM Integration Bus vs. Mule ESB

IBM Integration Bus is ranked 3rd in ESB with 5 reviews while Mule ESB which is ranked 1st in ESB with 8 reviews. IBM Integration Bus is rated 8.4, while Mule ESB is rated 8.0. The top reviewer of IBM Integration Bus writes "A GUI that greatly simplifies data transformation and application developmet, but it is difficult to configure". On the other hand, the top reviewer of Mule ESB writes "Easy to implement and supports platforms like Windows, Linux, and Mac". IBM Integration Bus is most compared with Mule ESB, Oracle Service Bus and IBM WebSphere DataPower, whereas Mule ESB is most compared with IBM Integration Bus, webMethods Integration Server and Oracle Service Bus. See our IBM Integration Bus vs. Mule ESB report.
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IBM Integration Bus Logo
15,756 views|8,409 comparisons
Mule ESB Logo
45,960 views|18,319 comparisons
Most Helpful Review
Find out what your peers are saying about IBM Integration Bus vs. Mule ESB and other solutions. Updated: July 2019.
361,058 professionals have used our research since 2012.
Quotes From Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

My favorite feature is the XML-based DFDL mapping, which is a tool that allows you to graphically map legacy data formats to modern data formats.IBM Integration Bus has a complete set of tools that are implemented between rules when it comes to run time, but it's not easy to understand.It is very straightforward. It is very user-friendly integration.It is one of the most stable products which I have seen in the market.Easy to understand documentation with a huge list of examples and tutorials.Web interface, REST API for viewing services, admin, stats, and deployment are premium features, which makes IIB stand among its competition.REST API design and development support are useful. Building and exposing APIs using GUI API designer with editor makes implementation a breeze.IBM support is fantastic and quick.

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The most valuable feature of Mule ESB is data transformation, i.e. our interacting with different systems and orchestrating for our business needs.Once it is started, we don't see any problems on a day to day basis.The most powerful feature is DataWeave, which is a powerful language where data can be transformed from one form into another.The most valuable feature is the Salesforce integration.The architecture based on events has several connectors which allow integration from external and internal applications of the company.Scalability and load balancing.We can use Java expressions anywhere in the flow.

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This solution would benefit from improvements to the configuration interface.I would like to see more metered rest and API support. IBM is already working on it on Version 11, but it still needs improvement.To scale virtically, is difficult.IBM does not support orchestration, which is how they designed it, and other BPM tools in the market support orchestration. If they merged the BPM capability into this product, then it would be a better solution.Development toolkit (based on Eclipse) should be improved in terms of responsiveness.Current aggregation implementation should be deprecated. MQ independent, as well as an intuitive solution, should be proposed.

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Mule ESB is more into the latest REST APIs, not much into the SOAP web services. Developing is all about web services and not easy with Mule.We would like to have a built-in logging framework in which we can do auditing.I would like to see support for BPM in the next release of this solution.The Anypoint platform consumes a lot of memory, and it would be great for developers if it were more lightweight.The payment system needs improvement.Limitation on external subscribers to listen to the messages on the bus.It needs more samples. Also, the dependency on Maven should be removed.

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Pricing and Cost Advice
Support costs are high compared to the competition. Otherwise, the support is good.Pricing is on par with its competition.

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The various features and components for this solution are no longer free.Plan your licensing model (cloud or on-premises or hybrid) that will allow seamless integration with new partners.This is expensive. In my next project, we had to go to other vendor.

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Answers from the Community
Miriam Tover
Franco Paolo CarranzaUser

The most important matter for me is the learning and deploy/maintenance curve to integrate at any architecture, being said that Mule is a great fit to work faster in a modern environment, of course you will be able to connect legacy platforms in both IBM and Mule scenarios, but I prefer to orchestrate behind as a part of any legacy integration.

Mule : Faster do deploy, really small footprint that means savings and very good support

Hope to be helpful!

22 August 19
out of 24 in ESB
Average Words per Review
Avg. Rating
out of 24 in ESB
Average Words per Review
Avg. Rating
Top Comparisons
Compared 44% of the time.
Compared 25% of the time.
Compared 11% of the time.
Also Known As
IBM WebSphere ESB
IBM Integration Bus is an enterprise integration engine that offers a fast, simple way for systems and applications to communicate with each other. As a result, it can help you achieve business value, reduce IT complexity and save money.For companies looking to modernize and unlock the value of existing on-premises systems and applications, an enterprise service bus (ESB) architecture serves as a critical foundation layer for SOA. When deployed as an ESB, the Mule runtime engine of Anypoint Platform combines the power of data and application integration across legacy systems and SaaS applications, with a seamless path to the other capabilities of Anypoint Platform and the full power of API-led connectivity.
Learn more about IBM Integration Bus
Learn more about Mule ESB
Sample Customers
Salesbox, €sterreichische Bundesbahnen (€BB), Road Buddy, Swiss Federal Railways, Electricity Supply Board, The Hartree Centre, ESB Networks Ube, PacificComp, University of Witwatersrand, Justice Systems, Camelot
Top Industries
Financial Services Firm25%
Transportation Company14%
Logistics Company10%
Financial Services Firm24%
Manufacturing Company12%
Comms Service Provider11%
Insurance Company9%
Company Size
Small Business20%
Midsize Enterprise10%
Large Enterprise70%
Small Business32%
Midsize Enterprise14%
Large Enterprise54%
Small Business11%
Midsize Enterprise3%
Large Enterprise85%
Find out what your peers are saying about IBM Integration Bus vs. Mule ESB and other solutions. Updated: July 2019.
361,058 professionals have used our research since 2012.
We monitor all ESB reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.
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