Implement one small API on SQLite in any language; we benchmark it on a $12 server (1 vCPU, 2 GB)
For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
Audio playback and capture library written in C, in a single source file.
Cross-platform asynchronous I/O