QuickFIX/n
QuickFIX/n is an open-source .NET implementation of the FIX protocol, maintained by Connamara Systems.
Explanation
The project site says QuickFIX/n implements the FIX protocol on .NET and is a C# port of the original C++ QuickFIX engine, with the backing of that project. The GitHub repository, published by Connamara, says the same and states that version 1.13 moved the project to .NET 8. The software is released under the QuickFIX Software License, which the repository tells readers to consult. It is an engine a developer embeds. It is not a broker, not a venue, and not a certification that a firm's FIX messages are correct. Sample programs ship with the project so two local processes can exchange orders. They are examples, not a live market. The software catalogue lists this engine with the other QuickFIX editions.
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In the software catalogue
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Sources and last check
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