Some people have offered to provide OpenSSL binary distributions for selected operating systems. The condition to get a link here is that the link is stable and can provide continued support for OpenSSL for a while.

Note: many Linux distributions come with pre-compiled OpenSSL packages. Those are already well-known among the users of said distributions, and will therefore not be mentioned here. If you are such a user, we ask you to get in touch with your distributor first. This service is primarly for operating systems where there are no pre-compiled OpenSSL packages.

OpenSSL for Windows

Works with MSVC++, Builder 3/4/5, and MinGW. Comes in form of self-install executables. https://slproweb.com/products/Win32OpenSSL.html

OpenSSL for Windows

Pre-compiled Win32/64 libraries without external dependencies to the Microsoft Visual Studio Runtime DLLs, except for the system provided msvcrt.dll. https://indy.fulgan.com/SSL/

OpenSSL for Solaris

Versions for Solaris 2.5 - 11 SPARC and X86 http://www.unixpackages.com/