We have several open source projects about OpenStreetMap.
https://tracesmap.com Github A generic online map based on open data.
https://localize.osm.tracestrack.com Github A tool to help with OpenStreetMap name editing.
Github This is the raster stylesheet for Tracestrack bus route layer.
OSM Routes Index Github A hugo blog site that lists route relations in OSM database.
Github An experimental project that uses Tracestrack raster background layer with vector labels.
Github Contains stylesheets for the carto and topo base maps. You are welcome to open map render issues here.