A high-frequency trading and market-making backtesting tool in Python and Rust, which accounts for limit orders, queue positions, and latencies, utilizing full tick data for trades and order books,…

Article: Functional Declarative Design

A Java library for technical analysis, extends ta4j-core.

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.

Fast & Functional logger in Scala

Python classes to aid rapid development of Uniswap V2 & V3 and Curve V1 arbitrage bots on EVM-compatible blockchains

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

The Haskell Optimization Handbook

Neural network emulator for guitar amplifiers.

A little bit about a linux kernel

http4s-stir offers Pekko HTTP-style (Akka HTTP-style) DSL directives for http4s using cats-effect's IO as an effect system

Code examples for the technical note "Liquidity Math in Uniswap v3"

Source code for Twitter's Recommendation Algorithm

Tiny Scala library for targeted macro debugging by logging properly formatted expansions at compile time

Examples of Avro, Kafka, Schema Registry, Kafka Streams, Interactive Queries, KSQL, Kafka Connect in Scala

sbt plugin for generating Scala sources for Apache Avro schemas and protocols.

Chromium running inside your terminal

Manage Confluent Schema Registry subjects through Infrastructure as code

Crypton crypto exchange

Learn how to design systems at scale and prepare for system design interviews

Simple Matching engine for trading platform

Kafka Web UI

Cruise-control is the first of its kind to fully automate the dynamic workload rebalance and self-healing of a Kafka cluster. It provides great value to Kafka users by simplifying the operation of …

This is my attempt to understand how twitter update millions of follows based on tweets by famous folks

Ultra-fast matching engine written in Java based on LMAX Disruptor, Eclipse Collections, Real Logic Agrona, OpenHFT, LZ4 Java, and Adaptive Radix Trees.

An independent implementation of the .NET ePUAP Client

Open-source crypto currency exchange software (https://openware.com)

The best Java open source crypto currency exchange platform, bitcoin exchange based on Java | BTC exchange | ETH exchange | digital currency exchange | trading platform | matching trading engine. T…

Let's upgrade cheap off-the-shelf robotic mowers to modern, smart RTK GPS based lawn mowing robots!