JAL/j701
api
Application programming interfaces
api/android - Android-specific functions
api/expat - libexpat
api/gdi32 - gdi32 api
api/gdiplus - gdiplus api
api/gl3 - OpenGL API
api/gles - Modern OpenGL API
api/glx - OpenGL GLX API
api/gtkinclude - GTK C Header
api/jni - JNI
api/lapacke - LAPACKE
api/ncurses - NCURSES/PDCURSES API
api/sl4a - SL4A
api/winapi - Windows API
api/x11 - X11 API
arc
Archivers, files, zips etc.
arc/zip - zip file utilities
arc/ziptrees - Zips and Unzips directory trees
convert
Conversions
convert/gtkdocdict - gtkdocdict
convert/gtkdoctag - gtkdoctag
convert/jiconv - J iconv encoding conversion
convert/json - json
convert/misc - miscellaneous scripts
data
Database
data/ddmysql - Data driver for MySQL
data/ddsqlite - Data driver for SQLite
data/jd - Jd
data/jdb - JDB
data/jfiles - J component file and keyed file
data/jmf - J Memory Mapped File
data/odbc - ODBC
data/sqlite - sqlite enhanced API for J
debug
debug/dissect - Run a sentence and produce a grid display of results
debug/lint - Load a script and check its syntax
demos
Demos
demos/glsimple - OpenGL simple demos
demos/gtk - gtk demos
demos/isigraph - isigraph demos
demos/opengl - OpenGL demos
demos/plot - Plot demos
demos/wd - wd demos
demos/wdplot - Plot demos wd emulation
docs
Generation, conversion, retrieval of documentation
docs/gtk - GTK API
docs/help - HELP
finance
Financial
finance/actuarial - Actuarial functions
finance/interest - Compound interest functions
format
Formats, rendering and reports
format/datefmt - Date formatting functions
format/printf - C-style printf formatting
format/publish - builds pdf reports from markup
format/sbox - Displaying boxed nouns containing Unicode glyphs
format/zulu - Strings conversion package
format/zulu-bare - Strings conversion package: BARE version
format/zulu-lite - Strings conversion package: LITE version
games
Games
games/minesweeper - Classic Minesweeper game
games/nurikabe - Nurikabe
games/pousse - pousse
games/solitaire - solitaire
general
General-purpose utilities
general/dirtrees - Copy and delete directory trees
general/dirutils - Additional directory utilities
general/inifiles - Platform neutral interface for INI files
general/jhsservice - Start jhs as a window service
general/jod - JOD J Object Dictionary
general/joddocument - JOD Documentation
general/jodsource - JOD Object Dictionary Source
general/jtags - jtags - Generate tag files for J source code
general/misc - miscellaneous scripts
general/primitives - Primitives
general/scriptdoc - scriptdoc
general/unittest - Unit Test Framework
general/userdict - userdict - user dictionary for codecompletion
graphics
2d, 3d graphics and planar graphs
graphics/afm - AFM
graphics/bmp - bitmap utilities
graphics/color - Color tables
graphics/d3 - D3 (Data Driven Documents) for JHS
graphics/gl2 - gl2
graphics/graph - Graph
graphics/grid - Grid
graphics/grid6 - Grid6
graphics/jturtle - Turtle graphics
graphics/opengl - OpenGL graphics
graphics/plot - Plot
graphics/print - print
graphics/treemap - Displays a treemap
graphics/viewmat - Displays a viewmat
gui
GUI utilities
gui/android - jandroid
gui/droidwd - android wd emulator
gui/gtk - GTK API
gui/gtkide - GTK IDE
gui/gtkwd - gtk wd emulator
gui/jgtkgrid - Grid implementation for J7/JGTK
gui/util - GUI utilities
gui/wdclass - wd classes
ide
Integrated development environment
ide/gtk - GTK IDE
ide/jhs - JHS IDE
labs
labs/labs - LABS
math
Mathematics
math/cal - Scientific calculator engine
math/deoptim - Differential Evolution for optimization of multidimensional functions
math/eigenpic - eigenpic
math/fftw - FFTW
math/flann - flann
math/lapack - LAPACK
math/misc - miscellaneous scripts
math/mt - Matrix toolbox
math/tabula - TABULA - scientific calculator
math/uu - Scientific units conversion package
media
Images, sounds, audio/video processing
media/image3 - Utilities for accessing 24-bit jpeg, png, bmp, tga and portable anymaps in J.
net
Communications, Sockets and other ports
net/clientserver - Simple client server
stats
Statistics
stats/base - Basic statistics package
stats/distribs - Verbs for working with distributions
stats/r - Interfaces to R statistical package
tables
Spreadsheets, CSV, etc.
tables/csv - Read and write CSV files and strings
tables/dsv - Read/write delimiter-separated files and strings
tables/excel - Reads Excel files using OLE
tables/tara - Read/write Excel *.xls files
tables/wdooo - ole automation client
types
Representations of dates, numerals, currency
types/datetime - Working with dates and times
web
Web programming
web/gethttp - Retrieve files from web
xml
XML-related
xml/sax - XML parser based on Expat library