flatbuffers

reflect-cppgetml/reflect-cpp

A C++20 library for fast serialization, deserialization, and validation using reflection, supporting JSON, Avro, CSV, Parquet, and more.

objectbox-goobjectbox/objectbox-go

A high-performance embedded Go database with an intuitive API, designed as a fast alternative to SQLite and GORM.

rtreedavidmoten/rtree

Immutable in-memory R-tree and R*-tree implementations in Java with a reactive API for spatial indexing.

Riiablocollinsmith/riiablo

A cross-platform Diablo II remake built with Java and LibGDX, supporting PC, Android, and multiplayer.