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Databases · head to head

Apache Flink vs Xlinesoft

Apache Flink logo

Apache Flink

Databases

Stateful stream processing at scale

From
Free
Free plan
Yes
Visit Apache FlinkFull 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

  • Apache Flink is free; Xlinesoft starts at $599 one-off.
  • Only Apache Flink lists event-time processing; only Xlinesoft lists database to web application.
  • Where Apache Flink falls short: genuinely difficult: event time, watermarks and state backends are a real conceptual load before anything works.
  • 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 Apache Flink and Xlinesoft actually diverge.

Attributes where Apache Flink and Xlinesoft differ
AttributeApache FlinkXlinesoft
Starting priceFree$599/one-time
Pricing modelOpen source, no licence fee; managed services billed separatelyOne-time
Free tierYesNo
PlatformsLinux, Self-hostedWindows, 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 Apache Flink

  • Event-time processing
  • Exactly-once state
  • Batch and stream
  • SQL interface

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.

Apache Flink

  • Real-time aggregations and dashboards computed over an event streamnot Xlinesoft
  • Fraud and anomaly detection where patterns span a time windownot Xlinesoft
  • Joining two live streams where events arrive out of ordernot Xlinesoft

Xlinesoft

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

Where each one falls short

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

Apache Flink

  • Genuinely difficult: event time, watermarks and state backends are a real conceptual load before anything works
  • Operationally heavy — job managers, task managers, checkpoint storage and state size are all yours to run and tune
  • State grows with the workload, and large state changes recovery time and cost significantly
  • Overkill where a scheduled batch job would answer the same question

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

Apache Flink

Free
  • Apache FlinkFree
    • Full functionality
    • Self-hosted
    • No usage limits

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 Apache Flink if

  • You need event-time processing.
  • You want to start without paying.
  • You work on Linux, Self-hosted.
  • You also want exactly-once state.
Apache Flink 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 Apache Flink or Xlinesoft better?
Neither clearly leads. Apache Flink 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, Apache Flink or Xlinesoft?
Apache Flink has a free tier; the other does not. Paid plans start at Free for Apache Flink and $599/one-time for Xlinesoft.
Does Apache Flink or Xlinesoft run on more platforms?
Apache Flink runs on Linux, Self-hosted. Xlinesoft runs on Windows, macOS, Linux, Web.
Can I use Apache Flink for free?
Yes. Apache Flink has a free tier, so you can try it without paying. Xlinesoft starts at $599/one-time.
What is Apache Flink best used for?
Apache Flink is most often used for real-time aggregations and dashboards computed over an event stream, fraud and anomaly detection where patterns span a time window, joining two live streams where events arrive out of order. Of those, real-time aggregations and dashboards computed over an event stream and fraud and anomaly detection where patterns span a time window are not what Xlinesoft is typically brought in for.
What can Apache Flink do that Xlinesoft cannot?
Apache Flink covers Event-time processing, Exactly-once state, Batch and stream, SQL interface. 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

Apache Flink: Is Apache Flink free?

Yes, open source under the Apache Software Foundation. Managed services such as Amazon Managed Service for Apache Flink are billed separately.

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
Apache Flink: Flink or Kafka?

They are complementary rather than alternatives. Kafka moves and stores events; Flink computes over them with windowing, joins and durable state.

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
Apache Flink: What is event-time processing?

Computing based on when an event actually occurred rather than when it arrived. It is what makes results correct when data is late or out of order, and it is the main reason Flink is harder than it looks.

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
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
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