Mapotic
Mapbox Studio
Google Maps
Mapline
Felt
MangoMap
MapiLeads
Map3
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Mapotic
SourceForgeMapbox Studio - A design platform for radically custom maps
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Mapline - Spreadsheets have never made you look so good. Sure, you can buy an expensive business intelligence mapping software that requires a Ph. D to use. Or you can use Mapline to create a map from Excel spreadsheet data in seconds.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.