CasADi is a symbolic framework for numeric optimization
A data visualization and analytics component
ArcticDB is a high performance, serverless DataFrame database
A free/open source client and automation tool for Ragnarok Online
C++ DataFrame for statistical, Financial, and ML analysis
Source code for the X Recommendation Algorithm
A collection of practical tips can be found at the bottom of this page
C++ Trade Platform for quant developer
Full featured financial fixed-income, credit, and bond analytics/risk
Hierarchical Cluster Engine project