Zero Copy Python Packages

flatbuffers

FlatBuffers: Memory Efficient Serialization Library

databento-dbn

Databento Binary Encoding (DBN) - Fast message encoding and storage format for market data

iceoryx2

Eclipse iceoryx2™ - the zero-copy data plane with a Rust core

pyroboframes

Fast ML dataloader for robot learning. LeRobot datasets, hardware video decode, multi-output formats (NumPy/MLX/PyTorch/JAX).

fory-compiler

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.

global-buffer

Cross-platform cross-process shared-memory ring buffer

pyhdb-rs

SAP HANA meets modern Python. Rust-powered driver with zero-copy Arrow, native Polars/pandas support, async pooling. Includes MCP server for AI assistants.

dbz-python

Python library written in Rust for working with the Databento Binary Encoding (DBZ) format

iocursor

A zero-copy file-like wrapper for Python byte buffers, inspired by Rust's std::io::Cursor.

minarrow

Fast, minimal, and ergonomic zero-copy Apache Arrow tabular data implementation in Rust, with PyO3, Python bindings, shared-memory and low-latency SIMD for data-engineering and columnar workloads. Bridge to Polars and Arrow-rs over FFI effortlessly.

tachyon-ipc

Tachyon, IPC/RPC primitive.

faster-api-web

High-performance ASGI framework — drop-in FastAPI replacement. 8.7x faster routing, 9.4x faster JSON, radix tree router, compiled DI, uvloop, msgspec.

dbz-lib

Databento Binary Encoding (DBN) - Fast message encoding and storage format for market data

sulcus

Sulcus — Thermodynamic Memory for AI Agents

uniserializer

Fast and efficient universal data serializer

gatun

High-performance Python-to-Java bridge using shared memory and Apache Arrow

zcsv

Blazing-fast drop-in replacement for Python's csv module, powered by Rust. 4-6x faster reader, zero-copy lazy Row, CSV injection protection, RFC 4180 strict mode.

sulcus-deepagents

Sulcus thermodynamic memory middleware for LangChain Deep Agents — replace flat AGENTS.md with a real memory engine

sulcus-crewai

CrewAI integration for Sulcus thermodynamic memory — shared persistent memory for agent crews

physiq-flatbuffers

FlatBuffers: Memory Efficient Serialization Library

zpdf

Zero-copy PDF text extraction library written in Zig. High-performance, memory-mapped parsing with SIMD acceleration.