SoLoud
SoLoud is an open C++ game-audio engine with many-voice mixing, 3D audio, filters, streaming, and multiple backends.
Why use it
Small custom engines add cross-platform playback without adopting full commercial audio middleware.
Where it fits
Find engines, frameworks, code libraries, version control, and production automation.
What to check
Advanced authoring, platform certification, and large content management are limited; measure mobile latency.