Downloading NanoSpell 1.14328 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available.
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. The program lies within Internet & Network Tools, more precisely Browser extensions. The actual developer of this software for Mac is Nanospell.
From the developer:
Nanospell spellchecker is a plugin for tinymce adds automatic, seamless international spellchecking in tinymce 4.x as the users type. It is perfect for secure applications and websites where user experience counts. Nanospell reproduces native operating system spellchecking within TinyMCE. The plugin automatically underlines typing mistakes, and provides highly accurate suggestions on right click.
You may want to check out more software for Mac, such as Delete Flash Cookies, Subio or RSS Checker, which might be similar to NanoSpell.