Conan-Center is the place to find and share popular C/C++ Conan packages. Want to distribute your own packages through Conan-Center? You can link your package by clicking the "Include My Package" button. Check the "contributing packages to conan-center" guidelines here: http://docs.conan.io/en/latest/uploading_packages/bintray/conan_center_guide.html
7-Zip is open source software. Conan package useful as build_require, to extract compressed files. Used by the mingw-installer package.
IlmBase is a component of OpenEXR. OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light and Magic for use in computer imaging applications.