GNU Radio is afree softwaredevelopmenttoolkit thatprovides signalprocessingblocks toimplementsoftware-definedradios andsignal-processingsystems. It canbe used withexternal RFhardware tocreatesoftware-definedradios, orwithouthardware in asimulation-likeenvironment. Itis widely usedin hobbyist,academic, andcommercialenvironments tosupport bothwirelesscommunicationsresearch andreal-worldradio systems.
Miller is acommand linetool thatcombinesfeatures fromsed, awk, cut,join, and sort.It works beston name-indexedCSV input, andthus allowseasy cutting,sorting orfiltering oncolumn names.It allowspretty-printingoftabs/columns,formatconversions,can be used inshell pipeslike simplertools, addssome SQL-likequeryingfeatures, andis similar inspirit to"jq"the JSONqueryer.
Pure Javacross-platformimageprocessingframework thatprovidesfeatures forimage and videoframeprocessing,multi-threadingimageprocessing, GUIintegration,extensibilityvia plug-ins,unit textautomationamong otherthings.
Mavscriptallows the userto docalculations ina textdocument. Plaintext andOpenOfficeWriter files(odt) aresupported. Thecalculation isdone by thealgebra systemYacas(default),Jasymca or bythe JavainterpreterBeanShell.
Luit is afilter that canbe run betweenan arbitraryapplication anda UTF-8terminal emulator. Itwill convertapplicationoutput from thelocale'sencoding intoUTF-8, andconvert terminal inputfrom UTF-8 intothelocale's encoding. It ismainly used tosupport xterm.
TreeTagger forJava is a Javawrapper aroundthe popularTreeTaggerpackage byHelmut Schmid.It was writtenwith a focus onplatform-independenceand easyintegrationintoapplications.It is writtenin Java 5 andhas been testedon OS X, UbuntuLinux, andWindows.