Search Results for "non-free"

Frankfurter is an open-source currency exchange rate API that provides reliable financial data based on reference rates from institutional sources such as the European Central Bank. It is designed to be simple, transparent, and free to use, with no API key requirements or usage limits, making it particularly attractive for developers and small projects. The API offers endpoints for retrieving the latest exchange rates, historical data, and time-series data, enabling both basic conversions and more advanced financial analysis. It allows users to specify base currencies and filter results by selected currencies, making responses efficient and customizable. ...

QuickFIX is the worlds first Open Source C++ FIX (Financial Information eXchange) engine, helping financial institutions easily integrate with each other. The SVN repository is now locked. Latest code is hosted at github. https://github.com/quickfix/quickfix

Peatio is an open-source, Ruby on Rails–based core engine for building cryptocurrency exchange platforms. It serves as the accounting and trading backbone of the OpenDAX stack, designed around microservices. Peatio is a free and open-source cryptocurrency exchange implementation with the Rails framework. This is a fork of Peatio designed for microservices architecture. We have simplified the code in order to use only the Peatio API with external frontend and server components. Our mission is to build an open-source crypto exchange software with a high-performance trading engine and incomparable security. ...

OpenSourceBilling or OSB is a simple, open source web application for creating and sending invoices, receiving payments, managing clients, and tracking and reporting. There’s no need to pay for these services because OSB does it all for free and easily. OSB can produce reports of sales, payments and collected revenues, and simply makes billing and invoicing hassle-free. OSB comes with plenty of built-in features, such as recurring invoices, exporting to PDF, time tracking, receiving payments through Paypal and credit card, Freshbooks and Quickbooks data importing and more. ...

A quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. A cross-platform free/open-source tool for derivatives and financial engineering.

...One of its key strengths is its simplicity, as it uses straightforward RESTful endpoints and JSON responses that can be easily integrated into web or mobile applications. Fixer also supports time-series and fluctuation data, enabling more advanced financial analysis and forecasting use cases. While a free tier is available with some limitations, more advanced features such as higher request limits and additional base currencies are offered through paid plans.

Web based donation collection web-application, shows summary and more detailed donation information. Simple "contest" can be done.

Hoster is a solid software aimed at the management of a small web hosting company. Hoster provides full administration of client accounts, domain customization, invoice and receipt printing and everything needed to run a small web hosting business.

AUSten -, for using time dollars and other alternative currencies. An online system for managing alternative currencies. This is good for time banks, time dollars and local exchange trade systems (LETS). Developers are members of Austin Time Exchange