The closest thing I have found to a dedicated homepage is this 2010 blog post containing some portability workaround (that, luckily, has seen big improvement since then; editor2 is now natively portable):
Editor² begun its life as an embedded thread in 2xExplorer [...] Although it won't substitute your main editor (say for writing your source code), it is nevertheless a very compact quick'n'dirty editor/viewer thingme to be appreciated by programmers and lay users alike.
Let me quote myself on the peculiar arrangement of editor2 distribution:
Editor2 latest version is currently v184.108.40.206 (no specific changelog) -- it's included with any xplorer2 v220.127.116.11 release.Midas wrote: ↑Although Editor2 is freeware, it doesn't have a separate download location, and has to be extracted from the Xplorer2 trial package -- downloadable at http://www.zabkat.com. (BTW, the corresponding files are: ed2skin.png, Editor2.txt, editor2_64.exe, editor2_64.exe.manifest, editor2_UC.exe, editor2_UC.exe.manifest.)
Please note that if looking for the 64-bit version, you'll have to grab it from the corresponding non-free Pro or Ultimate download packages.
Editor2 is made portable by placing an empty 'ed2.ini' file in its folder before first run.
Related and relevant topics you should browse if interested in editor2: