MakeMaps is a map creation tool that takes in data in multiple file types (including CSV,XLSX,KML,OSM..), projects the data on a map and lets the user create different visualizations.
The site currently features a few demos, as well as the possibility to upload your own data to try it out. The created maps can be saved as a .mmap-file, that can be later uploaded to MakeMaps for further editing. Embedding is also supported - consult the GitHub page for instructions.
All kinds of feedback and development ideas are welcome!