Downloadable software, namely, cross platform system libraries; downloadable software for use in a financial trading application, financial market analysis application, and financial data storage and retrieval; downloadable software for receiving, decoding, transmitting and encoding financial market data, and sending, encoding, receiving and decoding order entry information; downloadable software for interfacing one or more of the foregoing elements to customer software; computer software for use as a financial trading platform, for financial market analysis, and use as financial market data storage and retrieval; computer software for encoding, decoding and analyzing financial market data, and encoding, decoding and analyzing order entry data and cross platform system libraries for use in financial markets; computer software for encoding, decoding and analyzing financial market data, and encoding, decoding and analyzing order entry data and cross platform system libraries for use in electronic trading; computer software for encoding, decoding and analyzing financial market data, and encoding, decoding and analyzing order entry data and cross platform system libraries for use in capital markets; computer software for encoding, decoding and analyzing financial market data, and encoding, decoding and analyzing order entry data and cross platform system libraries for use in financial market analysis