Open source implementation of OPC UA.
open62541 (http://open62541.org) is an open source and free implementation of OPC UA (OPC Unified Architecture) written in the common subset of the C99 and C++98 languages. The library is usable with all major compilers and provides the necessary tools to implement dedicated OPC UA clients and servers, or to integrate OPC UA-based communication into existing applications.
1.4.4aarch64-darwinaarch64-linuxaarch64-netbsdarmv5tel-linuxarmv6l-linuxarmv6l-netbsdarmv7a-darwinarmv7a-linuxarmv7a-netbsdarmv7l-linuxarmv7l-netbsdi686-cygwini686-darwini686-freebsdi686-linuxi686-netbsdi686-openbsdloongarch64-linuxm68k-linuxm68k-netbsdmicroblaze-linuxmicroblazeel-linuxmips-linuxmips64-linuxmips64el-linuxmipsel-linuxmipsel-netbsdpowerpc-netbsdpowerpc64-linuxpowerpc64le-linuxriscv32-linuxriscv32-netbsdriscv64-linuxriscv64-netbsds390-linuxs390x-linuxx86_64-cygwinx86_64-darwinx86_64-freebsdx86_64-linuxx86_64-netbsdx86_64-openbsdx86_64-redoxx86_64-solaris