LunarG has released an updated version of their Vulkan SDK with version 1.2.141 out and it includes some new toys to help developers support Vulkan in their games and apps. This SDK should give developers almost everything they need to get started in the Vulkan API development environment.
With 1.2.141 it includes the new GFXReconstruct tool, which aims to improve upon their earlier vktrace. GFXReconstruct enables developers to capture and replay Vulkan API calls and they're also using the new tool to explore other potential performance and feature enhancements, such as compression for capture files (currently available) and support for multi-threaded replay (to be added in the future).
It also includes the DirectX Shader Compiler (DXC), improvements to the usability of deciphering a validation error, support for multiple newer Vulkan extensions, improved validation coverage and bug fixes.
The Vulkan SDK supports working with Linux, and with this release they're also planning to end Ubuntu 16.04 support soon. Their plan is to keep supporting the latest two Ubuntu LTS releases.
See their release announcement here.