The 2.07 version of JChecker X for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Developer Tools, more precisely Webmaster Tools. The actual developer of this free Mac application is Artman21. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
JChecker X is a HTML coding support plug-in for "Jedit X" editor. It supports HTML validation, auto-correction for errors, URL link checking, beautifying HTML source text and others. JChecker X plug-in transforms Jedit X into a powerful HTML source code editor.
You may want to check out more software for Mac, such as Jedit X Plus, which might be related to JChecker X.