Open Location Code: An Open Source Standard for Addresses
Some alternatives that I am aware of:<p><a href="https://wikimili.com/en/Natural_Area_Code" rel="nofollow">https://wikimili.com/en/Natural_Area_Code</a> ,
<a href="https://what3words.com/" rel="nofollow">https://what3words.com/</a> ,
<a href="https://geokey.io/" rel="nofollow">https://geokey.io/</a> ,
<a href="http://geohash.org/" rel="nofollow">http://geohash.org/</a> ,
<a href="https://www.mapcode.com/" rel="nofollow">https://www.mapcode.com/</a> .<p>Some of which are proprietary.<p>Edit: plus.codes was this same proposal. Removed from the list.