triangle-geohash is pretty much geohash but with triangles. Earth is split into an icosahedron, and each one of those triangles is split into 4 sub triangles. Hashes are formatted in the following way: [primary triangle number]|[sub triangle numbers], so
published 0.0.3 4 years agohexagon geohashing (depends on geocomb-cpp)
published 0.0.1-alpha.0.1 3 years ago