Softwr

Energy · head to head

OpenLink Endur vs Solace PubSub+

OpenLink Endur logo

OpenLink Endur

Energy

Enterprise trading and risk management

From
On request
Rated
-
Full reviewWebsite
Solace PubSub+ logo

Solace PubSub+

Databases

Multi-protocol event broker sold as software, cloud service or a hardware appliance

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Solace PubSub+ has a free tier, so it costs nothing to try first.
  • Each has a real cost: OpenLink Endur no pricing published on vendor website; enterprise product requires direct contact with ION Group sales; Solace PubSub+ no pricing is published at any tier, so evaluation requires a sales engagement before you can even judge whether it is in budget, and broker tier sizing determines cost in ways buyers frequently get wrong.
  • They diverge on capability: OpenLink Endur covers Deal capture, Solace PubSub+ covers Multi-protocol broker.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which OpenLink Endur and Solace PubSub+ actually diverge.

Attributes where OpenLink Endur and Solace PubSub+ differ
AttributeOpenLink EndurSolace PubSub+
Starting priceOn requestFree
Free tierNoYes
PlatformsDesktop, Web, ApiLinux, Docker, Kubernetes, Cloud, Hardware appliance
CategoryEnergyDatabases
Founded1999Unknown

Identical on both: pricing model (quote), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in OpenLink Endur

  • Deal capture
  • Position management
  • Risk analytics
  • Credit management
  • Logistics
  • Settlement
  • Accounting integration
  • Regulatory compliance

Only in Solace PubSub+

  • Multi-protocol broker
  • Dynamic message routing
  • Hardware appliance
  • Event Portal
  • Guaranteed delivery
  • Mission Control
  • Topic hierarchies and wildcards
  • Kafka and MQ bridging

What people use each for

The jobs each tool is most often brought in to do.

OpenLink Endur

  • Energy tradingnot Solace PubSub+
  • Risk managementnot Solace PubSub+
  • Commodity logisticsnot Solace PubSub+
  • Regulatory compliancenot Solace PubSub+
  • Settlementnot Solace PubSub+

Solace PubSub+

  • A bank building an event mesh across regions where a Java JMS application and an MQTT mobile client must share the same topic spacenot OpenLink Endur
  • An exchange or trading platform with a latency budget that needs the hardware appliance rather than a software brokernot OpenLink Endur
  • An airline distributing operational events to ground systems, aircraft and partner APIs over different protocolsnot OpenLink Endur
  • A manufacturer bridging factory MQTT telemetry into an enterprise Kafka estate without writing translation servicesnot OpenLink Endur

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

OpenLink Endur

  • No pricing published on vendor website; enterprise product requires direct contact with ION Group sales

Solace PubSub+

  • No pricing is published at any tier, so evaluation requires a sales engagement before you can even judge whether it is in budget, and broker tier sizing determines cost in ways buyers frequently get wrong.
  • The free Standard edition has hard capacity and support limits, which makes it useful for development but means any real deployment triggers a commercial negotiation.
  • The proprietary SMF protocol gives the best performance and feature coverage, so teams that lean on it acquire real switching costs even though open protocols are supported.
  • Operating a self-managed high availability broker pair with disaster recovery is a specialist task, and Solace expertise is scarce in the hiring market compared with Kafka skills.
  • Event Portal and Mission Control are licensed as part of platform packages, so the governance tooling that makes an event mesh manageable is not simply included with the broker.

Pricing, plan by plan

OpenLink Endur

On request
  • Trading$undefined/custom
    • Deal capture
    • Position management
    • P&L analytics
  • Risk$undefined/custom
    • VaR and PaR
    • Credit risk
    • Limit monitoring
  • Enterprise$undefined/custom
    • Full ETRM suite
    • Multi-commodity
    • Global support

Solace PubSub+

Free
  • Software Event Broker StandardFree
    • Free for production within capacity limits
    • Single node, capped connections and queues
    • No vendor support
  • Solace Cloud$undefined/year
    • Managed brokers in tiers from ENT-250 to ENT-100K
    • Foundation, Accelerate and Scale platform packages
    • Fixed subscription or annual consumption drawdown
  • Software Enterprise self-managed$undefined/year
    • Deploy in your own Kubernetes, VMs or data centre
    • High availability and disaster recovery
    • Support with SLA
  • Hardware appliance$undefined/year
    • Purpose-built appliance with FPGA message offload
    • Deterministic low latency
    • Sold with support contract

Which should you pick?

Choose OpenLink Endur if

  • You need deal capture.
  • You work on Desktop, Web, Api.
  • You also want position management.
OpenLink Endur review

Choose Solace PubSub+ if

  • You need multi-protocol broker.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Cloud, Hardware appliance.
  • You also want dynamic message routing.
Solace PubSub+ review

Questions people ask

Is OpenLink Endur or Solace PubSub+ better?
Neither clearly leads. OpenLink Endur starts at On request and Solace PubSub+ at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenLink Endur or Solace PubSub+?
Solace PubSub+ has a free tier; the other does not. Paid plans start at On request for OpenLink Endur and Free for Solace PubSub+.
Does OpenLink Endur or Solace PubSub+ run on more platforms?
OpenLink Endur runs on Desktop, Web, Api. Solace PubSub+ runs on Linux, Docker, Kubernetes, Cloud, Hardware appliance.
Can I use Solace PubSub+ for free?
Yes. Solace PubSub+ has a free tier, so you can try it without paying. OpenLink Endur starts at On request.
What is OpenLink Endur best used for?
OpenLink Endur is most often used for energy trading, risk management, commodity logistics, regulatory compliance. Of those, energy trading and risk management are not what Solace PubSub+ is typically brought in for.
What can OpenLink Endur do that Solace PubSub+ cannot?
OpenLink Endur covers Deal capture, Position management, Risk analytics, Credit management. Solace PubSub+ covers Multi-protocol broker, Dynamic message routing, Hardware appliance, Event Portal.

Answered from the vendors’ own pages

OpenLink Endur: How much does OpenLink Endur cost?

OpenLink Endur does not publish pricing on the ION Group website. This is an enterprise product requiring direct contact with ION Group sales for custom pricing.

Source
Solace PubSub+: Is there a free version of Solace?

Yes, the Standard edition of the software event broker is free for production within capacity limits, with no vendor support.

OpenLink Endur: How can I get pricing for OpenLink Endur?

Contact ION Group directly through their contact forms, request a demo, or work with their sales team to receive a custom quote for OpenLink Endur.

Source
Solace PubSub+: Does Solace publish prices?

No. Cloud, software and appliance are all quoted, based on broker tier from ENT-250 to ENT-100K and licensing model.

Solace PubSub+: Why buy an appliance in 2026?

Deterministic low latency with message processing offloaded to hardware, which matters in capital markets and little elsewhere.

Solace PubSub+: Can it replace Kafka?

Not for log retention and stream reprocessing. It is stronger at multi-protocol routing and guaranteed delivery, and the two are often bridged.

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