Used map bases

In SolverTech Tasha we use two types of map bases

1. OSM map bases
   
   1. it is an open source project
   2. all users can edit the documents from which the map is created and their actions are not subject to approval
   3. these map bases are free of charge
2. HERE map bases
   1. the bases are generated by the trading company HERE
   2. registered users can edit bases, their actions are subject to approval
   3. these map documents are paid