@zenoaihq/tson

Token-efficient Structured Object Notation – a compact serialization format designed for efficient data exchange with LLMs

ploon

Path-Level Object Oriented Notation - The Most Token-Efficient Format for Nested Hierarchical Data

tooner

Token-efficient serialization for LLMs - Convert JSON/YAML/TOML to TOON format

zon-format

ZON: The most token-efficient serialization format for LLMs - beats CSV, TOON, JSON, and all competitors

@yogesh0333/yogiway

YOGIWAY Format - Ultra-compact, nested-aware data format for LLM prompts. Handles deeply nested JSON efficiently, 10-15% more efficient than TOON.