Ecosyste.ms: OpenCollective

An open API service for software projects hosted on Open Collective.

CCXT

A JavaScript / Python / PHP library for cryptocurrency trading and e-commerce with support for many bitcoin/ether/altcoin exchange markets and merchant APIs.
Collective - Host: opensource - https://opencollective.com/ccxt - Website: https://ccxt.com - Code: https://github.com/ccxt/ccxt