Basebox-Packer
A comprehensive set of Packer definitions. It has quite a collection of 64 bit and 32 bit images for Vagrant VirtualBox and VMWare. A good place to learn Packer definitions.
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Semaphore
Semaphore is a hosted continuous integration and deployment service for open source and private projects. Its cloud solution helps developers find bugs before they reach users and deliver new features faster.
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