Beerpay
Allows simple funding development of existing or new features for Github based projects using Chrome extension.
BackYourStack
Analyzes your open source software dependencies to find which projects you rely on, and then provides a way for you to easily support them all.
AWS Promotional Credit
AWS credits to open source projects used to perform testing, CI/CD, or storage of artifacts on AWS.
Apt-get Shirt
From every T-shirt you buy apt-get-shift donates 50% of the proceedings to that same project it represents.
Amazon Smile
Amazon donates 0.5% of the eligible net purchase price to the charitable organisation of choice, such as OSS foundations.