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Developer Tools · head to head

Nx Cloud vs Solace PubSub+

Nx Cloud logo

Nx Cloud

Developer Tools

Distributed CI and remote caching for monorepo teams

From
Free
Free plan
Yes
Visit Nx CloudFull review
Solace PubSub+ logo

Solace PubSub+

Databases

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

From
Free
Free plan
Yes
Visit Solace PubSub+Full review

The short version

  • Nx Cloud is a SaaS platform.
  • Solace PubSub+ is free; Nx Cloud starts at $29/mo.
  • Only Nx Cloud lists nx Replay; only Solace PubSub+ lists dynamic message routing.
  • Where Nx Cloud falls short: requires Nx workspace setup; integration limited to Nx build system.
  • Prices and features on this page were last checked on 31 August 2026.

Where they differ

Only the attributes on which Nx Cloud and Solace PubSub+ actually diverge.

Attributes where Nx Cloud and Solace PubSub+ differ
AttributeNx CloudSolace PubSub+
Pricing modelCredits-basedQuote
PlatformsWeb, CI/CD SystemsLinux, Self-hosted, Web, Hardware appliance
CategoryDeveloper ToolsDatabases

Identical on both: starting price (Free), free tier (Yes).

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 Nx Cloud

  • Nx Replay
  • Nx Agents
  • Remote execution
  • Advanced analytics
  • Conformance rules
  • AI-powered recovery
  • Multi-repository visibility

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.

Nx Cloud

  • Accelerating monorepo CI pipelines with distributed task executionnot Solace PubSub+
  • Reducing build times through remote caching and incremental buildsnot Solace PubSub+
  • Scaling development teams across complex multi-package projectsnot Solace PubSub+
  • Enforcing consistency and standards across monorepo workspacesnot 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 Nx Cloud
  • An exchange or trading platform with a latency budget that needs the hardware appliance rather than a software brokernot Nx Cloud
  • An airline distributing operational events to ground systems, aircraft and partner APIs over different protocolsnot Nx Cloud
  • A manufacturer bridging factory MQTT telemetry into an enterprise Kafka estate without writing translation servicesnot Nx Cloud

Where each one falls short

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

Nx Cloud

  • Requires Nx workspace setup; integration limited to Nx build system
  • Free tier restricted to 5 contributors; larger teams require paid plans
  • Credits system adds complexity to cost prediction vs flat-rate competitors
  • Self-hosted Enterprise deployment requires significant operational overhead

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

Nx Cloud

Free
  • HobbyFree
    • 50,000 monthly credits
    • 5 contributors
    • 10 concurrent CI connections
  • Team$29/mo
    • Usage-based credits ($29 base plus overage)
    • Unlimited contributors
    • Remote caching
  • EnterpriseOn request
    • Complete feature access
    • Conformance rules
    • Cross-repository visibility

Solace PubSub+

Free
  • Software Event Broker StandardFree
    • Free for production within capacity limits
    • Single node, capped connections and queues
    • No vendor support
  • Solace CloudOn request
    • 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-managedOn request
    • Deploy in your own Kubernetes, VMs or data centre
    • High availability and disaster recovery
    • Support with SLA
  • Hardware applianceOn request
    • Purpose-built appliance with FPGA message offload
    • Deterministic low latency
    • Sold with support contract

Which should you pick?

Choose Nx Cloud if

  • You need nx replay.
  • You want to start without paying.
  • You work on Web, CI/CD Systems.
  • You also want nx agents.
Nx Cloud review

Choose Solace PubSub+ if

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

Questions people ask

Is Nx Cloud or Solace PubSub+ better?
Neither clearly leads. Nx Cloud starts at Free and Solace PubSub+ at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nx Cloud or Solace PubSub+?
Nx Cloud starts at Free and Solace PubSub+ at Free.
Does Nx Cloud or Solace PubSub+ run on more platforms?
Nx Cloud runs on Web, CI/CD Systems. Solace PubSub+ runs on Linux, Self-hosted, Web, Hardware appliance.
Can I use Nx Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Nx Cloud best used for?
Nx Cloud is most often used for accelerating monorepo ci pipelines with distributed task execution, reducing build times through remote caching and incremental builds, scaling development teams across complex multi-package projects, enforcing consistency and standards across monorepo workspaces. Of those, accelerating monorepo ci pipelines with distributed task execution and reducing build times through remote caching and incremental builds are not what Solace PubSub+ is typically brought in for.
What can Nx Cloud do that Solace PubSub+ cannot?
Nx Cloud covers Nx Replay, Nx Agents, Remote execution, Advanced analytics. Solace PubSub+ covers Multi-protocol broker, Dynamic message routing, Hardware appliance, Event Portal.

Answered from the vendors’ own pages

Nx Cloud: What is included in the free Hobby plan?

The Hobby plan includes 50,000 monthly credits, support for 5 contributors, 10 concurrent CI connections, and basic analytics at no cost with no credit card required.

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.

Nx Cloud: How are overages charged on the Team plan?

The Team plan starts at $29/month with included credits. Additional credits cost $5.50 per 10,000 credits, extra contributors cost $19 each, and additional CI connections cost $2.25 each.

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.

Nx Cloud: Can Nx Cloud be self-hosted?

Yes, Enterprise customers can deploy Nx Cloud on-premises or on managed infrastructure to maintain full control over data and infrastructure.

Source
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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