cryptocoins - Cryptocoins is the most complete vector/webfont icon pack of your favourite cryptocurrencies

•    CSS

Cryptocoins is the most complete free vector iconpack of your favourite cryptocurrencies. Available in webfont & SVG format for taking advantage of small file sizes and unlimited scalability, Cryptocoins are perfect for usage on the web – right where they belong. Use them all or just the ones you need.

catalyst - An Algorithmic Trading Library for Crypto-Assets in Python

•    Python

Catalyst is an algorithmic trading library for crypto-assets written in Python. It allows trading strategies to be easily expressed and backtested against historical data (with daily and minute resolution), providing analytics and insights regarding a particular strategy's performance. Catalyst also supports live-trading of crypto-assets starting with four exchanges (Binance, Bitfinex, Bittrex, and Poloniex) with more being added over time. Catalyst empowers users to share and curate data and build profitable, data-driven investment strategies. Please visit catalystcrypto.io to learn more about Catalyst. Catalyst builds on top of the well-established Zipline project. We did our best to minimize structural changes to the general API to maximize compatibility with existing trading algorithms, developer knowledge, and tutorials. Join us on the Catalyst Forum for questions around Catalyst, algorithmic trading and technical support. We also have a Discord group with the #catalyst_dev and #catalyst_setup dedicated channels.

coin-hive - CoinHive cryptocurrency miner for node.js

•    Javascript

New: Now you can run this miner on any stratum based pool. New 2: Now you can mine Electroneum (ETN).

ImportJSON - Import JSON into Google Sheets, this library adds various ImportJSON functions to your spreadsheet

•    HTML

Review ImportJSON.gs for more info on how to use these in detail. Cryptocurrencies: Looking to import JSON for cryptocurrency price data? Try CryptocurrencySpreadsheetUtils instead which offers a useful getCoinPrice() function.

atomicswap - On-chain atomic swaps for Decred and other cryptocurrencies.

•    Go

NOTICE Mar 1 2018: The atomic swap contract has been updated to specify the secret sizes to prevent fraudulent swaps between two cryptocurrencies with different maximum data sizes. Old contracts will not be usable by the new tools and vice-versa. Please rebuild all tools before conducting new atomic swaps. Pull requests implementing support for additional cryptocurrencies and wallets are encouraged. See GitHub project 1 for the status of coins being considered. Implementing support for a new cryptocurrency provides atomic swap compatibility between all current and future supported coins.

Bit - Bitcoin made easy.

•    Python

Bit is Python's fastest Bitcoin library and was designed from the beginning to feel intuitive, be effortless to use, and have readable source code.

Profit-Trailer-Settings - Place to store and stay up to date with configs & strategies from the CryptoGnome Group

Place to store and stay up to date with configs & strategies from the CryptoGnome Group

Gekko-Strategies - Strategies to Gekko trading bot with backtests results and some useful tools.

•    Javascript

Gekko Trading Bot. Repository of strategies which I found at Git and Google, orginal source is in README or .js file. Strategies was backtested, results are in backtest_database.csv file. I used ForksScraper and Gekko BacktestTool to create content of this repository.

alfred-convert - Convert between different units in Alfred

•    Python

Convert between different units offline in Alfred 2 & 3. Alfred-Convert uses a built-in library for lightning-fast conversions.

The ultimate open source betting protocol. PolyCash is a P2P blockchain platform for wallets, asset issuance, bonds & gaming

•    PHP

PolyCash is the ultimate open source betting solution. The PolyCash web app runs on PHP and MySQL and is easy to install and configure. PolyCash is a colored coins implementation built using blockchain technology and can be used to create betting currencies on top of bitcoin, litecoin or any other blockchain based on the Bitcoin source code.

docker-electrumx - Run an Electrum server with one command

•    Shell

An easily configurable Docker image for running an Electrum server.If there's an SSL certificate/key (electrumx.crt/electrumx.key) in the /data volume it'll be used. If not, one will be generated for you.

bittrex_autotrader - Bittrex currency exchange autotrading script in a nutshell.

•    Python

Bittrex currency exchange autotrading script in a nutshell. Outside of the basic trading functionality a full implementation of the Bittrex API has been provided for those would want to extend this script. Runnning make will generate the class HTML documentation.

poloniex-api - a client for consuming poloniex api https://poloniex.com/support/api/.

•    Javascript

a node module for consuming poloniex api https://poloniex.com/support/api/.

profbit - Track your Coinbase profits!

•    Python

Track your bitcoin, bitcoin cash, ethereum, and litecoin gains and losses in one place. We use Pipenv to manage requirements.

gwallet - GWallet is a minimalistic and pragmatist lightweight wallet for people that want to hold the most important cryptocurrencies in the same application without hassle

•    F#

GWallet is a minimalistic and pragmatist lightweight wallet for people that want to hold the most important cryptocurrencies in the same application without hassle. After that you can call gwallet directly.

Gnome-Feeder - Profit Trailer Feeder Full Build with Settings

•    Batchfile

Profit Trailer Feeder Full Build with Settings

CoinMarketCap - CoinMarketCap is an MIT licensed PowerShell module providing an easy to use wrapper around the coinmarketcap API

•    PowerShell

CoinMarketCap is an MIT licensed PowerShell module providing an easy to use wrapper around the coinmarketcap API. Please note that all results are cached for 120 seconds.

coindatabase - Database of basic properties of crypto currencies

•    Python

CoinDataBase is a database of crypto currencies basic properties like market symbol, website, privacy/scalability/governor features, etc. The main idea of database is to provide not only the data but also proofs - URLs of web documents providing details about the values specified in database (see Policy for adding/changing data below).

contracts - Smart contracts comprising the business logic of the Matic Network

•    Solidity

Matic contracts are ethereum smart contracts to power Matic Network.

crypto_vba - An Excel/VBA project to communicate with various cryptocurrency exchanges APIs

•    VB

An Excel/VBA project to communicate with various cryptocurrency exchanges APIs. Tested on Windows 10 & Excel 2016, but should work for Excel 2007+. The API response is pure JSON, for which I included https://github.com/VBA-tools/VBA-JSON to process and a function to build on that. As this is my first Git experiment and Excel/VBA and git don't work that well together, my pushes/forks/updates might be clunky...