Build services

To enable development teams to do their jobs efficiently, they usually need some kind of build infrastructure: a source code repository, dependency management, continuous integration services, ...

Sponsored development

Every open-source component you can select for your own stack is bound to have its limitations: bugs, unimplemented features, ...

Solving these bugs or implementing additional features can be done by any developer, but it usually takes a lot more time than expected and isn't really contributing directly to the project at hand.