StockSharp - Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, bitcoins and options)

•    CSharp

StockSharp (shortly S#) – are free set of programs for trading at any markets of the world (American, European, Asian, Russian, stocks, futures, options, Bitcoins, forex, etc.). You will be able to trade manually or automated trading (algorithmic trading robots, conventional or HFT).Available connections: FIX/FAST, LMAX, Rithmic, Fusion/Blackwood, Interactive Brokers, OpenECry, Sterling, IQFeed, ITCH, FXCM, QuantHouse, E*Trade, BTCE, BitStamp and many other. Any broker or partner broker (benefits).

qsforex - QuantStart Forex Backtesting and Live Trading

•    Python

QSForex is an open-source event-driven backtesting and live trading platform for use in the foreign exchange ("forex") markets, currently in an "alpha" state. It has been created as part of the Forex Trading Diary series on QuantStart.com to provide the systematic trading community with a robust trading engine that allows straightforward forex strategy implementation and testing.

Lean - Lean Algorithmic Trading Engine by QuantConnect (C#, Python, F#)

•    CSharp

Lean Engine is an open-source fully managed C# algorithmic trading engine built for desktop and cloud usage. It was designed in Mono and operates in Windows, Linux and Mac platforms. Lean drives the web based algorithmic trading platform QuantConnect.Handle all messages from the algorithmic trading engine. Decide what should be sent, and where the messages should go. The result processing system can send messages to a local GUI, or the web interface.

FX Option Manager

•    DotNet

Sistema de Análisis y Gestión de Opciones Financieras sobre Moneda Extranjera. En tecnologías Microsoft .NET

node-ib - Interactive Brokers TWS API client library for Node.js

•    Java

ib is Interactive Brokers TWS (or IB Gateway) API client library for Node.js. This is a direct port of Interactive Brokers' official Java client. There is no C++/Java library dependency. It makes a socket connection to TWS (or IB Gateway) using the net module, and all messages are entirely processed in JavaScript. It uses EventEmitter to pass the result back to user.

ta4j-origins - A Java library for technical analysis ***Not maintained anymore, kept for archival purposes, see #192***

•    Java

ta4j is a Java library providing a simple API for technical analysis.

Finance AI

•    CSharp

A set of AI tools to analyze financial data and perform investment decissions.

Pegasus Trading for FOREX

•    Java

A complete Spot Foreign Currency Trading Platform (Client/Server) to act as an ECN and a Merket Maker. Written entirely in Java and using Java Servlets with JDBC for database access.

FXSStation

Forex testing strategies trading

scraperjs - A complete and versatile web scraper.

•    Javascript

Scraperjs is a web scraper module that make scraping the web an easy job. Try to spot the differences.

google-play-scraper - Node.js scraper to get data from Google Play

•    Javascript

Node.js module to scrape application data from the Google Play store.

CalendarPicker - CalendarPicker Component for React Native

•    Javascript

Note: react-native-calendar-picker v5 is a complete re-write of the calendar. This calendar is now written using ES6 syntax. I kept most of the same functionalities and added support for date ranges. CalendarPicker requires Moment JS. Date props may be anything parseable by Moment: Javascript Date, Moment date, or ISO8601 datetime string.

Flexy Forex Tester

•    Delphi

Testing platform for forex strategies. A text editor to write your own strategies (Pascal scripting language). Set server params such as slippage, spread for currency pairs and other custom rules for the server side.

Determinated Forex

•    Java

Determinated Forex.Development of game strategies for Forex markets and future markets by definition of the causal moments of market movements.For definition of the determined movement of the market we offer to use as the basic methodology of the coordi

Forex market analizator

Forex market analizator utils.

forex_algotrading - My Forex algotrading platform in Python - based on my posts at http://jon.io

•    Python

Open runner.py and put your own OANDA_ACCESS_TOKEN and OANDA_ACCOUNT_ID. Read http://jon.io/forex-brokers.html on how to get those or the documentation in Oanda.

gekko - A bitcoin trading bot written in node - https://gekko.wizb.it/

•    Javascript

The most valuable commodity I know of is information.Gekko is a Bitcoin TA trading and backtesting platform that connects to popular Bitcoin exchanges. It is written in javascript and runs on nodejs.

angular-bootstrap-calendar - A port of the bootstrap calendar widget to AngularJS (no jQuery required!)

•    Javascript

Due to the growing popularity of angular 2 and beyond, this project is considered feature complete and no further work will be done on it. All dev time is now being devoted to the projects successor angular-calendar. However, you are welcome to fork and modify this repo as you please. The layout and functionality is intended to be exactly the same, but without the overhead of including jQuery just for a calendar.

v-calendar - A lightweight, dependency-free plugin for building attributed calendars in Vue.js

•    Vue

V-Calendar is a clean and lightweight plugin for displaying simple, attributed calendars in Vue.js. It uses attributes to decorate the calendar with various visual indicators including highlighted date regions, dots, bars, content styles and popovers for simple tooltips and even custom slot content. Any single attribute may contain one of each object and can be displayed for single dates, date ranges and even complex date patterns like every other Friday, the 15th of every month or the last Friday of every other month.

Watch-Me-Build-a-Trading-Bot - This is the code for "Watch Me Build a Trading Bot" by Siraj Raval on Youtube

•    Javascript

This is the code for this video on Youtube by Siraj Raval called Watch me Build a Trading Bot. Credits go to AskMike for the starter code.