How to get Money from contributing to Open Source Project?

Website

1. https://gitcoin.co/ - Build and Fund the Open Web Together | Gitcoin
2. https://issuehunt.io/ - Issuehunt
3. https://github.com/sponsors - GitHub Sponsors
4. https://opencollective.com/ - Raise and spend money with full transparency. - Open Collective
5. https://www.kickstarter.com/ - Kickstarter
6. https://www.patreon.com - Creativity powered by membership | Patreon

Method

1. Paid Support
2. Software as a Service
3. Paid Feature Requests

Successfull company

1. Support
2. Hosting
3. Restrictive licensing
4. Open-core
5. Hybrid licensing