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

thetadatadx

No-JVM ThetaData Terminal — native Rust SDK for direct MDDS (gRPC) and FPSS (TCP) market data access

iceoryx2

Eclipse iceoryx2™ - true zero-copy inter-process-communication with a Rust core

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.

fory-compiler

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

tachyon-ipc

Tachyon, IPC/RPC primitive.

dbz-python

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

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.

iocursor

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

dbz-lib

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

sulcus

Persistent, intelligent memory for AI agents. SDKs, integrations, plugins, and tooling.

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.

uniserializer

Fast and efficient universal data serializer

gatun

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

sulcus-deepagents

Persistent, intelligent memory for AI agents. SDKs, integrations, plugins, and tooling.

physiq-flatbuffers

FlatBuffers: Memory Efficient Serialization Library

sulcus-crewai

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

zpdf

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