Marc3842h uses C++
C++ is used in Shiro (https://github.com/Marc3842h/shiro).
C++ is a high performance, low level programming language. Game servers need to run with fast performance to be able to reliably serve players across the globe.
OnlineCity uses C++
The most latency sensitive parts are written in C++. Due to our interconnected services architecture, we use either Python or C++ for each service, with the performance critical parts being C++14.
papaver uses C
been programming in c for over a decade, since learning it in college. still use it for various low level projects. used it recently to develop an embedded application for a custom board.
POROWNEO.PL uses C++
Used to write PHP extensions - AZTEC Decoder - License Driver scan - Axis2/C to PHP wrapper and Job-scheduler - Barbershop
LucaFulchir uses C++
Performance, zero-overhead abstractions and memory safety of the modern C++ language make this the perfect language for the project.
micro systems uses C
The core of the arcapos applications is written in C, so are most of the Lua modules (bindings to various hardware or protocols).
ApertusVR uses C++
The main programming language of ApertusVR. C++11 & CMake provides multi-platform targeting. The architecture is modular.
Sqreen uses C
The Sqreen PHP agent is both a PHP extension, built in C, and a daemon built in Python.