A list of companies that sponsor open source software

The goal of this list is to highlight companies who pay back to open source projects that are helping them to save time and money, or otherwise interesting projects that deserve support. Open source maintainers are often an invisible and underfunded workforce behind our informational infrastructure. With this list we would like to encourage more companies to be aware of that and play active role in supporting our common grounds.

Feel free to send a PR to update this document.

Click here to read the criteria to be on this list

Definitions

COMPANY: a legal entity made to generate profit.
OPEN SOURCE PROJECT: any project under one of the licenses that comply with the open source definition as listed (and defined) on https://opensource.org/licenses
THIRD-PARTY OPEN SOURCE PROJECT: an OPEN SOURCE PROJECT licensed under a different name to the COMPANY in question.
SUPPORT (verb): to donate money to maintainers of an OPEN SOURCE PROJECT, or to allocate time for employees to contribute to OPEN SOURCE PROJECTS.

Criteria for inclusion

In order for an entry to be accepted into this list, the following criteria must be met

Each entry is a COMPANY which systematically SUPPORTS some THIRD-PARTY OPEN SOURCE PROJECTS.
Each entry should list the: (1) COMPANY name, (2) link(s) to blog post or page proving the support.