MockFIX — FIX protocol simulator for capital markets testing. Compose FIX 4.4 messages in plain English, test order routing, auto-response rules, and execution engine. QuickFIX alternative for QA teams and BAs.
trading quickfix trading-simulator execution-engine fix-protocol fix-engine financial-protocol capital-markets fix44 fix-simulator fix-testing oms-testing
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Updated
May 6, 2026