F3: Open-Source Data File Format for Future
Original: F3
Why This Matters
Next-generation data format addressing performance gaps in established standards like Parquet; academic validation through SIGMOD acceptance.
F3, an open-source data file format accepted at SIGMOD 2026, addresses efficiency and interoperability limitations of legacy formats like Parquet. The project is available on GitHub with 509 stars and focuses on improved data organization and extensibility.
F3 is an open-source data file format project designed to overcome layout and performance shortcomings of previous-generation formats such as Parquet. The format prioritizes three core objectives: efficiency, interoperability, and extensibility. The project has gained traction in the developer community, accumulating 509 GitHub stars and 21 forks. F3 is composed of multiple modular components including fff-core, fff-encoding, fff-format, and fff-ude for universal data encoding. The project includes benchmarking tools (fff-bench), testing utilities (fff-test-util), and WebAssembly support (fff-ude-wasm) for broader compatibility. The format has been accepted for presentation at SIGMOD 2026, a top-tier database conference, indicating recognition from the academic and industry database communities. The repository is maintained under the MIT license and contains comprehensive documentation, experimental scripts, and proof-of-concept implementations.