https://github.com/topics/header-only

Our whole code consists of a single header file json.hpp. That's it. No library, no subproject, no dependencies, no complex build system.

https://github.com/nlohmann/json

<aside>

• **nlohmann / json**
• **gabime / spdlog**
• **skypjack / entt**
• **g-truc / glm**
• **Neargye / magic_enum**
• **zeromq / cppzmq** </aside>