Low Latency Python Packages

databento-dbn

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

dxcam

A Python high-performance screen capture library for Windows using Desktop Duplication API - Updated 2026

dcex

Rust-backed Python/Rust library for low-latency cross-exchange crypto HTTP, WebSocket, and trading APIs.

znsocket

Python implementation of a Redis-compatible API using websockets.

volatouch

Ultra-low latency mobile air control & wireless trackpad for PC over Wi-Fi.

dpdfnet

Clean up noisy speech in real time with DPDFNet - open-source streaming speech enhancement for research, audio apps, and edge devices. Includes pretrained models, PyTorch code, ONNX/TFLite inference, 8/16/48 kHz support, and live demos.

minarrow

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

tatolab-stream

Control runtime for building things in the Physical AI space. Everything from self piloting vehicles to humanoid robots. Purposefully built to fuse LLM / AI control policies with your code

lightstream-io

Fast data transport : Apache Arrow, Protobuf and Message Pack data on the one stream. Measured faster than Arrow Flight on all open benchmarks. HTTP, TCP, QUIC, Websocket, Webtransport, Stdio, UDS, all interchangeable, with 64-byte SIMD compatibilty maintained over the network and to/from disk via custom Arrow Mmap and Parquet Readers and Writers

dbz-python

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

kwcapture

Fast screen capture for KDE Plasma on Wayland: ~40 fps at 1440p via KWin ScreenShot2 D-Bus, zero-copy shared-memory frames, Python API + CLI

mx-multiplexer

Lightweight, stateless message broker for request/reply and publish/subscribe between services on a trusted internal network. Declarative routing rules: round-robin load balancing, fan-out, direct addressing. C++17 core, C++ and Python client libraries, active-active redundancy. In production since 2008.

ruvector

RuVector provides High Performance, Real-Time decisions and agent memory , Self-Learning Ai, Vector GNN DB built in Rust.

tatolab-webrtc

Control runtime for building things in the Physical AI space. Everything from self piloting vehicles to humanoid robots. Purposefully built to fuse LLM / AI control policies with your code

wingfoil

ultra low latency graph based stream processing framework

cpu-perf

A reading path for CPU performance engineering, from one instruction to production inference. Primary sources only, with a runnable benchmark for every section.

vstimd-client

Visual Stimulation Daemon for Brain Research

llro

Service to get lowest latency route to a target and set static route.

sparsepixels

Efficient convolution for sparse data on FPGAs

quira

Quira is a next-gen Python RAG framework featuring speculative vector search, Context Tetris for token compression, and differential caching to eliminate redundant API costs.

conifer

Fast inference of Boosted Decision Trees in FPGAs

rushaudio

low latency audio over internet protocol

fastq-redis

Ultra-fast job queue written in C. Drop-in replacement for BullMQ/Sidekiq with 10x throughput and 90% less memory. Backed by Redis. Python & Node.js bindings included.

stimm

The Open Source Voice Agent Platform. Orchestrate ultra-low latency AI pipelines for real-time conversations over WebRTC.