# Flecs — Fast Entity Component System for C and C++ > A high-performance ECS framework for C99 and C++11 with a built-in query language, REST API explorer, and support for multithreading and hierarchical scenes. ## Install Copy the content below into your project: --- Source: https://tokrepo.com/en/workflows/flecs-fast-entity-component-system-c-c-bd10b5aa Author: