ZeroTurnaround, an Estonian company with its hands deep in the Java cookie jar, has just bought Javeleon, a tool that lets you instantly see changes to code in a running Java application.

ZeroTurnaround makes JRebel, a tool for Java development. One of JRebel’s features is pretty much exactly what Javeleon does — instantly viewing changes to code.

Javeleon co-founders Dr. Allan Gregersen and Michael Rasmussen will meld into ZeroTurnaround’s Estonian product and engineering teams. The duo founded the company in 2012 based on research done at the technology-focused Mærsk Mc-Kinney Møller Institute at the University of Southern Denmark; sounds like ZeroTurnaround has bought itself one heck of a brain trust.

“We are thrilled to be joining the ZeroTurnaround team and excited to dive right in and help integrate the Javeleon technology with the JRebel product line,” said Dr. Gregersen in a statement on the news.

“We have admired the ZeroTurnaround success story for years, and we believe our involvement will positively impact ZeroTurnaround’s future growth.”

ZeroTurnaround was founded in 2009 and has two locations in Estonia, one in Prague, and a sales and marketing home base in Boston.

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