JRebel (formerly ZeroTurnaround) is a company that develops, tests, and runs Java applications. It provides developers with helping to code applications.

Employee Rating

Parent CompanyPerforce Software
HQTartu, EE
Cybersecurity ratingBMore
JRebel was founded in 2007 and is headquartered in Tartu, EE
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JRebel Office Locations

JRebel has offices in Tartu, Tallinn, Boston, Louisville and in 2 other locations
Tartu, EE (HQ)
2 Ülikooli
Tallinn, EE
Roosikrantsi 11-3rd fl
Wokingham, GB
West Forest Gate, Wellington Rd
Boston, MA, US
Boston, MA, USA
Louisville, CO, US
1315 W Century Dr #150
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JRebel Financials and Metrics

Summary Metrics

Founding Date


Total Funding

$15 m


In total, JRebel had raised $15 m. JRebel is a subsidiary of Perforce Software

JRebel Cybersecurity Score

Cybersecurity ratingPremium dataset



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JRebel Online and Social Media Presence

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JRebel Blogs

Kubernetes vs Docker Swarm

When people talk about Kubernetes vs Docker, it reflects the short time frame during which Docker and Kubernetes were trying to compete for the same space in container orchestration. Docker, the most-popular container service for distributed applications (aka microservices) wanted to increase their …

Java Microservices Frameworks

For every step in deploying microservices in Java, developers need to consider what’s right for their application. One of the biggest decisions? Choosing the right microservices framework. In our article today, we’ll give a brief overview of four popular Java microservices frameworks and discuss the…

Using Text Blocks in Java 13

Introduced in JDK 13, the text blocks preview language feature introduce a way for developers to predictably format multi-line string literals while avoiding most escape sequences. The preview feature began as work on the (now deprecated) JDK Enhancement Proposal 326: raw string literals. JEP 326: R…

Protected: Using Text Blocks in Java 13

There is no excerpt because this is a protected post. The post Protected: Using Text Blocks in Java 13 appeared first on | JRebel & XRebel.

When to Use Microservices in Java

Microservices are gaining traction for developers, and many that haven’t already implemented this architecture are considering doing so. But how do you know when to use microservices and when it’s not the right choice for you? Keep reading and discover pros and cons, as well as when and when not to …

Using Switch Expressions in Java

Switch Expressions, introduced under JEP 325 and refined under JEP 354, are an application of the classic Java switch statement in expression form – which allows developers to yield values. Switch statements, the precursor to Switch expressions, have been a part of Java since its inception. Switch S…
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JRebel Frequently Asked Questions

  • When was JRebel founded?

    JRebel was founded in 2007.

  • How many employees does JRebel have?

    JRebel has 23 employees.

  • Who are JRebel competitors?

    Competitors of JRebel include Winjit Technologies, Harris Computer Systems and Bonterra.

  • Where is JRebel headquarters?

    JRebel headquarters is located at 2 Ülikooli, Tartu.

  • Where are JRebel offices?

    JRebel has offices in Tartu, Tallinn, Boston, Louisville and in 2 other locations.

  • How many offices does JRebel have?

    JRebel has 7 offices.