Thanks for reading. I have actually built a CI platform myself: fire.ci. It focuses only on CI and leverages Docker to run builds in the background of developers laptops. Which makes the "team problem" disappear since each developer brings new computing power.
Now other platforms out there can also be a good fit only for CI. You'll just need to nail the right number of concurrent builds so they don't queue and your team is not stuck waiting tens of minutes for CI feedback.
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