JAL/j602

api

Application programming interfaces

api/lapacke - LAPACKE
api/ncurses - NCURSES/PDCURSES API

arc

Archivers, files, zips etc.

arc/zip - zip file utilities
arc/ziptrees - Zips and Unzips directory trees

convert

Conversions

convert/json - json
convert/misc - miscellaneous scripts

data

Database

data/dbman - Database manager
data/ddmysql - Data driver for MySQL
data/ddsqlite - Data driver for SQLite
data/jdb - JDB
data/sqlite - sqlite enhanced API for J

debug

debug/dissect - Run a sentence and produce a 2D display of results
debug/lint - Load a script and check its syntax
debug/tte - Explicate a given tacit verb

docs

Generation, conversion, retrieval of documentation

docs/wikihtml - Offline browsing of wiki sections for Grid, Plot and Project Manager

finance

Financial

finance/actuarial - Actuarial functions
finance/interest - Compound interest functions

format

Formats, rendering and reports

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/jayscript - J Language Active Script Connector
general/jod - JOD J Object Dictionary
general/joddocument - JOD Documentation
general/jodsource - JOD Object Dictionary Source
general/pcall - Pointer call to a DLL function
general/sfl - Standard Function Library from iMatix, a portable function library for C/C++ programs
general/unittest - Unit Test Framework

graphics

2d, 3d graphics and planar graphs

graphics/afm - AFM
graphics/bmp - bitmap utilities
graphics/fvj3 - Materials for Fractals, Visualization and J, 3rd edition including scripts for visualization.
graphics/gnuplot - Create gnuplot graphics
graphics/graphviz - Graph Visualization
graphics/jturtle - Turtle graphics
graphics/treemap - Displays a treemap
graphics/viewmat - Displays a viewmat

gui

GUI utilities

gui/gtk - GTK API
gui/jobs - Application framework to host analysis jobs
gui/monthview - Displays the Microsoft Monthview calendar control
gui/util - GUI utilities

math

Mathematics

math/cal - Scientific calculator engine
math/deoptim - Differential Evolution for optimization of multidimensional functions
math/eigenpic - eigenpic
math/fftw - FFTW
math/lapack - LAPACK
math/lbfgs - LBFGS for unconstrained nonlinear optimization
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/animate - Animation Utility
media/gdiplus - GDI+ Library
media/image3 - Utilities for accessing 24-bit jpeg, png, bmp, tga and portable anymaps in J.
media/ming - Flash SWF file generator based on Ming
media/paint - Bitmap image-editing application
media/platimg - Platform neutral image I/O utilities
media/wav - Windows WAV file creation and play

misc

misc/classroom - Utilities for teaching classes in J
misc/miscutils - Miscellaneous utility definitions

sockets

sockets/socklib - Routines for multiple asynchronous sockets
sockets/sockutils - Routines for web transactions

stats

Statistics

stats/base - Basic statistics package
stats/dendrite - Dendrite cluster analysis method
stats/distribs - Verbs for working with distributions
stats/r - Interfaces to R statistical package
stats/rlibrary - R library using Rserve interface

tables

Spreadsheets, CSV, etc.

tables/csv - Read and write CSV files and strings
tables/csvedit - Grid based editor for CSV files
tables/dsv - Read/write delimiter-separated files and strings
tables/excel - Reads Excel files using OLE
tables/tara - Read/write Excel *.xls files
tables/taraxml - Platform independent system for reading OpenXML (Excel 2007 *.xlsx) 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
web/jhp - J Hypertext Processor

xml

XML-related

xml/loose - Loose XML parser based on regex
xml/sax - XML parser based on Expat library
xml/xslt - XSL Transform tool