The 1.7.0 version of Hunspell 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. Hunspell for Mac lies within Productivity Tools, more precisely Office Tools.
The actual developer of this free software for Mac is Laszlo Nemeth. The latest installation package takes up 916 KB on disk. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Hunspell is the spell checker of LibreOffice, OpenOffice.org, Mozilla Firefox 3 & Thunderbird, Google Chrome, and it is also used by proprietary software packages, like macOS, InDesign, memoQ, Opera and SDL Trados. Hunspell is based on MySpell and works also with MySpell dictionaries.
You may want to check out more software for Mac, such as PitStop Extreme, 3dissue or FileOpenInstaller, which might be related to Hunspell.