Business Operations·Standings

Enterprise Service Bus Software

Enterprise service bus software links services, with capabilities for transforming messages, supporting protocols, and integrating queues. Compare deployment model and the integrations or platforms you need.

The board uses a signal score out of 10.

  • 13 platforms
  • 1 with a public API on this page
  • 4 with a free tier
  • Checked 28 Sept 2026
  1. 1
    AC
    Apache Camelcamel.apache.org

    An open-source integration tool for transforming data and coordinating workflows; free for Linux, Mac, and Windows.

    7.6 APIOpenFree Free tier
  2. 2
    AS
    Apache Synapsesynapse.apache.org

    A free, open-source integration tool for transforming data and coordinating workflows on Linux, Mac, or Windows.

    6.6 APIOpenFree Free tier
  3. 3
    II
    InterSystems IRISintersystems.com

    An integration product for Linux, Mac, Windows, and web; pricing is available on request.

    6.5 APIOpenFree Free tier
  4. 4
    OW
    Oracle WebCenter Contentoracle.com

    A paid content product for web, mobile, Linux, Windows, and self-hosted use.

    5.9 APIOpenFree $3,450 one-time
  5. 5
    OS
    Oracle Serviceoracle.com

    A cloud service platform for customer support across web, mobile, chat, email, phone, and self-service.

    5.8 APIOpenFree From $70/mo
  6. 6
    IA
    IBM App Connectibm.com

    Integration software with 200+ connectors, drag-and-drop design, and a 30-day trial; starts at $2,544.

    5.7 APIOpenFree From $2,544/yr
  7. 7
    ME
    Mule ESBmulesoft.com

    An integration platform for web and self-hosted use, with API support; paid plans are billed annually.

    5.6 APIOpenFree From $2/mo
  8. 8
    NW
    NEC WebOTX Application Servernec.com

    A Java business-system server with clustering and standby failover; pricing is available on request.

    5.5 APIOpenFree —
  9. 9
    VO
    VICO OpenESB Enterpriseopenesbintegration.com

    A hybrid integration platform that coordinates workflows, reshapes data, and syncs it in real time.

    5.3 APIOpenFree —
  10. 10
    O
    OpenCeliumopencelium.io

    An on-premises web tool for visual integrations that supports HTTP and JSON-RPC.

    4.8 APIOpenFree Free tier
  11. 11
    TE
    Talend ESBtalend.com

    An on-premises service integration platform with a visual builder, service connections, and queue support.

    4.4 APIOpenFree —
  12. 12
    MB
    Microsoft BizTalk Servermicrosoft.com

    An on-premises Windows server that transforms messages and connects services through common protocols and queues.

    4.0 APIOpenFree —
  13. 13
    RH
    Red Hat 3scale API Managementredhat.com

    API management software for hybrid setups, with a developer portal, access controls, and usage analytics.

    4.0 APIOpenFree —

Places #1, #2, #3, #4, #5 on this board are open to sponsors. Take #1 · Other ways to advertise

How to choose

Where does the software need to run?

Check the deployment model and platform marks against your environment. Options represented on the list are web, Linux, Windows, macOS, self-hosted, and API.

Which message and protocol features do I need?

Check that the message formats and communication protocols supported match the needs of your services.

Does it need to integrate with a queue?

For queued messages or outage-time uptime needs, compare queue integration and high-availability support.

Do I need a visual flow designer?

If you want to lay out message routes visually, check whether the software includes a visual flow designer.

How can I compare price and ways to try it?

Compare the free-plan mark, paid-from price, and free-trial availability. Apache Camel has a free plan; IBM App Connect shows a 30-day trial and a starting price of $2,544.

Questions

What is the role of enterprise service bus software?

It links services and may transform messages, support protocols, and integrate queues.

Which features should I weigh when selecting enterprise service bus software?

Consider deployment model, message transformation, protocol support, queue integration, high availability, and visual flow design.

Which platforms should I check for enterprise service bus software?

The list covers web, Linux, Windows, self-hosted, API, and macOS.

How do I check for a free tier or a trial on an enterprise service bus?

Review the free-plan and free-trial indicators separately: one denotes a free plan, the other a time-limited trial.

What does the signal score mean on this board?

It rates each option out of 10 using published details on usage, public API, documentation, open-source code, and a free tier.

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure