Fully open: - https://github.com/systemed/tilemaker https://github.com/systemed/tilemaker (for generating tiles) - https://github.com/systemed/mod_mbtiles htt

Fully open: - https://github.com/systemed/tilemaker https://github.com/systemed/tilemaker (for generating tiles) - https://github.com/systemed/mod_mbtiles https://github.com/systemed/mod_mbtiles (for serving them) tilemaker is similar to planetiler which OP is using (it's more configurable but also more memory-hungry).