Daru (Data Analysis in RUby) is a library for analysis, manipulation and visualization of data. Daru works seamlessly accross interpreters and leverages interpreter-specific optimizations whenever they are available. It is the default data storage gem for all the statsample gems (glm, timeseries, etc.) and can be used with many others like mixed_models, gnuplotrb, nyaplot and iruby.

NMatrix is a linear algebra library for Ruby, written mostly in C and C++.

flvedit allows you to: * compute metadata for FLV files * merge, split or cut FLVs * insert / remote cue points or other events flvedit is meant as a replacement for FLVTool2, FLVMeta, FLVTool++ It can be used as a command line tool or as a Ruby library.

flvedit allows you to: * compute metadata for FLV files * merge, split or cut FLVs * insert / remote cue points or other events flvedit is meant as a replacement for FLVTool2, FLVMeta, FLVTool++ It can be used as a command line tool or as a Ruby library.