Softwr

Databases · head to head

Solace PubSub+ vs Xlinesoft

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
Xlinesoft logo

Xlinesoft

Developer Tools

PHPRunner and ASPRunner.NET: low-code builders that turn databases into web apps

From
$599/one-time
Free plan
No
Visit XlinesoftFull review

The short version

  • Solace PubSub+ is free; Xlinesoft starts at $599 one-off.
  • Only Solace PubSub+ lists multi-protocol broker; only Xlinesoft lists database to web application.
  • Where Xlinesoft falls short: the purchase includes one year of support and upgrades only; after that, newer versions require a paid upgrade.
  • Prices and features on this page were last checked on 12 November 2026.

Where they differ

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

Attributes where Solace PubSub+ and Xlinesoft differ
AttributeSolace PubSub+Xlinesoft
Starting priceFree$599/one-time
Pricing modelQuoteOne-time
Free tierYesNo
PlatformsLinux, Self-hosted, Web, Hardware applianceWindows, macOS, Linux, Web
CategoryDatabasesDeveloper Tools

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 Solace PubSub+

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

Only in Xlinesoft

  • Database to web application
  • Page Designer and themes
  • Events, custom code and AI assistance
  • Security and dynamic permissions
  • Reports, charts and dashboards
  • Wide database support
  • Enterprise authentication
  • Application templates and plugins

What people use each for

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

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 Xlinesoft
  • An exchange or trading platform with a latency budget that needs the hardware appliance rather than a software brokernot Xlinesoft
  • An airline distributing operational events to ground systems, aircraft and partner APIs over different protocolsnot Xlinesoft
  • A manufacturer bridging factory MQTT telemetry into an enterprise Kafka estate without writing translation servicesnot Xlinesoft

Xlinesoft

  • Building an internal web application on top of an existing SQL databasenot Solace PubSub+
  • Replacing a Microsoft Access application with a browser-based onenot Solace PubSub+
  • Creating admin interfaces and customer or partner portals with role-based accessnot Solace PubSub+
  • Agencies and freelancers delivering self-hosted database applications to clientsnot Solace PubSub+
  • Teams that need low-code tooling but must keep applications on their own serversnot Solace PubSub+

Where each one falls short

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

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

Xlinesoft

  • The purchase includes one year of support and upgrades only; after that, newer versions require a paid upgrade
  • Multiple database connections, REST API connections and single sign-on through Active Directory, Okta or SAML are Enterprise-only, which raises the price from $599 to $999 per developer
  • Self-hosted only. Hosting, database administration, backups, runtime updates and access-control configuration remain the customer's job, as Xlinesoft's own product facts page states
  • Applications built on Microsoft Access require a Windows web server
  • PHPRunner and ASPRunner.NET are separate products with separate licences, so moving a project between PHP and .NET is not covered by one purchase

Pricing, plan by plan

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

Xlinesoft

$599/one-time
  • PHPRunner Professional$599 one-off
    • Single developer licence
    • Core application-building product
    • One year of email support and upgrades
  • PHPRunner Enterprise Edition$999 one-off
    • Single developer licence
    • Multiple database and REST API connections
    • Data encryption
  • PHPRunner MultiDev Edition$3,599 one-off
    • Three Enterprise Edition licences
    • Multiple developers working on the same project at the same time
    • One year of email support and upgrades
  • ASPRunner.NET Professional$599 one-off
    • Generates ASP.NET web applications
    • Same database coverage and security model as PHPRunner
    • Enterprise Edition available

Which should you pick?

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

Choose Xlinesoft if

  • You need database to web application.
  • You work on Windows, macOS, Linux, Web.
  • You also want page designer and themes.
Xlinesoft review

Questions people ask

Is Solace PubSub+ or Xlinesoft better?
Neither clearly leads. Solace PubSub+ starts at Free and Xlinesoft at $599/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Solace PubSub+ or Xlinesoft?
Solace PubSub+ has a free tier; the other does not. Paid plans start at Free for Solace PubSub+ and $599/one-time for Xlinesoft.
Does Solace PubSub+ or Xlinesoft run on more platforms?
Solace PubSub+ runs on Linux, Self-hosted, Web, Hardware appliance. Xlinesoft runs on Windows, macOS, Linux, Web.
Can I use Solace PubSub+ for free?
Yes. Solace PubSub+ has a free tier, so you can try it without paying. Xlinesoft starts at $599/one-time.
What is Solace PubSub+ best used for?
Solace PubSub+ is most often used for a bank building an event mesh across regions where a java jms application and an mqtt mobile client must share the same topic space, an exchange or trading platform with a latency budget that needs the hardware appliance rather than a software broker, an airline distributing operational events to ground systems, aircraft and partner apis over different protocols, a manufacturer bridging factory mqtt telemetry into an enterprise kafka estate without writing translation services. Of those, a bank building an event mesh across regions where a java jms application and an mqtt mobile client must share the same topic space and an exchange or trading platform with a latency budget that needs the hardware appliance rather than a software broker are not what Xlinesoft is typically brought in for.
What can Solace PubSub+ do that Xlinesoft cannot?
Solace PubSub+ covers Multi-protocol broker, Dynamic message routing, Hardware appliance, Event Portal. Xlinesoft covers Database to web application, Page Designer and themes, Events, custom code and AI assistance, Security and dynamic permissions.

Answered from the vendors’ own pages

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.

Xlinesoft: How much does PHPRunner cost?

PHPRunner Professional is $599, Enterprise Edition is $999 and MultiDev Edition, which includes three Enterprise licences, is $3,599. Professional and Enterprise prices are per developer, and each purchase includes one year of email support and free upgrades.

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.

Xlinesoft: Which databases does PHPRunner support?

MySQL, MariaDB, Microsoft SQL Server, PostgreSQL, Oracle, Microsoft Access, IBM DB2, Informix, SQLite and ODBC-compatible databases. Using multiple database connections in one project is an Enterprise Edition feature.

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.

Xlinesoft: Is there a free trial?

Yes. PHPRunner can be downloaded and evaluated for 21 days, and public live demos show the generated applications, with add, edit and delete disabled.

Source
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.

Xlinesoft: Where do PHPRunner applications run?

On your own web server. The documented options are Apache and Microsoft IIS with a compatible PHP runtime and database extensions, and a built-in web server is available for local testing. The development application itself runs on Windows, macOS and Linux.

Source
Xlinesoft: What does the Enterprise Edition add?

Multiple database and REST API connections, data encryption, and enterprise authentication including Active Directory, Okta, Azure AD, OpenID and SAML, on top of all Professional features.

Source
Xlinesoft: What is ASPRunner.NET?

Xlinesoft's equivalent builder for ASP.NET. It generates database-driven ASP.NET web applications with the same kind of forms, reports, charts, permissions and Page Designer, and is sold separately from $599.

Source
Share

Related pages

More on Solace PubSub+

More on Xlinesoft

Keep looking

Other head to heads