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Packs (add-ons) for SWI-Prolog

Below is a list of known packages. Please be aware that packages are not moderated. Installing a pack does not execute code in the pack, but simply loading a library from the pack may execute arbitrary code. More information about packages is available here. You can search for packages from the Prolog command line using pack_list/1. This contacts the pack server for packs that match by name or title. A leading i indicates that the pack is already installed, while p merely indicates that it is known by the server.

?- pack_list(graph).
p callgraph@0.3.4           - Predicate call graph visualisation
i graphml@0.1.0             - Write GraphML files
i gvterm@1.1                - Show Prolog terms using graphviz
p musicbrainz@0.6.3         - Musicbrainz client library
p sindice@0.0.3             - Access to Sindice semantic web search engine

After finding the right pack, the pack and its dependencies can be installed using the pack_install/1 as illustrated below.

?- pack_install(hello).

Clicking the package shows details and allows you to rate and comment the pack.

Pack
tot: 365
Version
(#older)
Downloads
tot: 48,843
(#latest)
Rating
(#votes/
#comments)
Title
abbreviated_dates0.0.2661691,4122
Parses abbreviated and ambiguous dates in multiple languages
achelois0.5.077,470179
Collection of tools to make writing scripts in Prolog easier.
aleph5204281
Aleph Inductive Logic Programming system
amazon_api0.0.327972
Interface to Amazon APIs
ansi_termx0.0.127
ANSI terminal operations
aop0.0.774510
Opinonated aspect-oriented programming for prolog
ape6.7.18071545
Parser for Attempto Controlled English (ACE)
app0.112
Prolog Application Server
arithmetic_types0.0.22209
Support for user defined types in arithmetic expressions
arouter2.0.0521636
Alternative HTTP path router
assertions0.0.139711
Ciao Assertions Reader for SWI-Prolog
atom_feed0.2.049985
Parse Atom and RSS feeds
auc1.0101682
Library for computing Areas Under the Receiving Operating Charactersitics and Precision Recall curves
automake0.2.0123817
Automake
b_real0.875012
Interface predicates to commonly used R functions.
bddem4.3.1231662
A library for manipulating Binary Decision Diagrams
bencode0.0.153
Bencoding from BitTorrent protocol
bibtex0.1.833020
Parser and predicates for BibTeX files
bims2.578518
Bayesian inference of model structure.
bio_analytics0.432917
Computational biology data analytics.
bio_db3.6249517
Access, use and manage big, biological datasets.
bio_db_repo22.6.818593
Data package for bio_db.
biomake0.1.511417
Prolog makefile-like system
blog_core1.5.32312025
Blog/CMS framework
body_reordering2.0.363115
Clause expansion Utils for deciding which order to run Goals in a body
bousi_pack1.0.03261
On my way to a SWISH enabled BPL - a FLI exercise
by_unix0.228017
An elegance layer to calling unix commands.
call_cleaup_each0.0.11
Call A Goal On Each Redo
callgraph0.4.117338204
(1/2)
Predicate call graph visualisation
canny_tudor0.21.122855
Canny bag o' Tudor
cclab0.1.5133619
Continuations lab
ccprism0.1.0205630
Probabilistic programming using delimited continuations
chan0.2.025
Directional channels for thread communication
chat801.114322
Classic CHAT80 Prolog natural language application
chess_db1.034715
PGN and chess game databases.
ciao0.0.112013
Ciao Prolog compatibility library
clause_attvars1.1.1187191
An alternate interface to the clause database to allow attributed variables to be asserted
cli_table1.0.1029
Pretty unicode tables for the CLI with Prolog
clitable1.0.874819
Pretty unicode tables for the CLI with Prolog
clpBNR0.10.1191345
CLP over Reals using Interval Arithmetic - includes Rational, Integer and Boolean domains as subsets.
clpcd0.0.11106
Constraints over continuous domains
condition0.1.136048
Condition system a la Common Lisp
consul_client0.0.421916
Consul Client
cosmos0.22.010183
<no title>
coworkers0.1.015
Workflow definition as tree of coroutines
cplint4.5.02078572
A suite of programs for reasoning with probabilistic logic programs
cplint_datasets1.072
Dataset for machine learning with cplint
cplint_r1.0.0149250
R plotting predicates for cplint
css_write1.3.254711
DCG for generating CSS
ct_fft0.01
Cooley–Tukey FFT algorithm
date_time0.1.461,8941,108
(1/1)
Logical arithmetic on dates and times
db_facts0.55227113
Common db-tables-as-facts and SQL layer for ODBC and proSQLite.
dcg4pt1.0.045935
DCG for Parse Trees
dcg_util0.3.1313324
(1/1)
DCG utility predicates
dcgutils1.1.311503404
DCG related utilities
debug_adapter0.7.22810220
Debug Adapter Protocol package for SWI-Prolog
debug_call1.465818
Debugging with calls
delay0.3.378456
Avoid instantiation errors for built-in predicates
dia0.141
An interface to .dia-uml-diagrams
diagnostics0.2.036650
SWI-Prolog source code diagnostics library
dialect-ciao0.0.11
Ciao Prolog compatibility library
dict_schema0.0.21118115
Dict converter and validator
dictoo3.0.3271442
Dict-like OO Syntax
dictype0.0.218
Concise dict type definitions
dirtree1.0.133618
Load XML of directory content.
disp_bn0.18
Construct and display BN terms via graphviz
djson0.0.32138132
Declarative JSON
docstore2.0.2618627
Document-oriented database for Prolog
dot_dcg0.1.04271
A DCG for a subset of the DOT language
dotcloud0.0.212923
Conveniences for running on dotCloud
dpath0.7.254112
Directory traversal module
dynworks1.3.2610020
Dynamic multi-dimensional arrays and vectors
each_call_cleanup1.1.11810241
Each Call Redo Setup and Cleanup
edcg0.9.1.8132431
(1/1)
Extended DCG
eggdrop2.0.321381
Hook up to an existing IRC Client called an Eggdrop
environ1.0138
Demo package with C code, fetching the program environment
evil0.2.3171
(4/4)
Predicates to Further the Cause of Evil
excel_worksheets0.3.0561
Excel reader of worksheets cell values into prolog terms
execution_context0.2.042817
Allows to retrieve setting from execution environment, given flexibility over setting/2, get_env, or command line configuration
fcgi0.9.031
fcgi - Fast Common Gateway Interface (FastCGI) library for Prolog
ffi0.5711529
Dynamically call C functions
ffimatrix0.1.010761
Operations with matrices using Prolog and C
file_scope1.1.1185171
File local scoped efects
file_utilities0.132
File system related utilities
files_extras0.1.02172
Few extra predicates for traversing folders and simplifying work with file system
fileutils0.3.5108123
Utilities for reading, writing and finding files
fine_upload0.2.05244
HTTP support for file uploading
fld1.0.25493
Object system that allows easy and efficient access to term arguments by name.
fluents0.1.212413
Access all solutions of a goal without backtracking
flux1.1.11834
FLUX: A logic programming method for reasoning agents and ALPprologis a Prolog implementation of an action programming language. With ALPprolog you can program strategies for autonomous agents in dynamic domains like e.g. the Wumpus world.
fnotation1.0.058612
Function notation for Prolog
format_spec0.0.214241
Parse and check format/2 specifications
func0.4.28328196
(2/2)
Function application and composition
function_expansion0.1.241085
(1/1)
Help for writing function-like macros
gbn0.2198
BNs for large cohort genomic studies.
genutils0.3.82310453
General miscellaneous utilities
geoip0.9.01293
Access GeoIP library
googleclient0.5.233111
SWI-Prolog code for "Login with Google"
gpc1.2.036424
Generic polygon clipper
graphml0.1.0133
(1/1)
Write GraphML files
graphpl0.1.16342
Graph data structure utilities
graphql0.0.132
GraphQL Prolog Library
graphql-swipl0.0.11
GraphQL Prolog Library
gvar_syntax2.0.31812468
Global Variable Syntax
gvterm1.11205174
(1/1)
Show Prolog terms using graphviz
hashtbl0.0.214544
Pure and impure hash tables
hdt0.566525
Access RDF HDT files
hello0.0.175
(1/1)
Hello World
hello_world0.115
Hello World pack as a test
hilog1.1.11811211
XSB-Prolog's Hilog Syntax in SWI-Prolog
hook_hybrid1.1.11812153
Hook assert retract call of *specific* predicates
http2_client1.0.064839
An HTTP/2 client
httplog0.5.01223
Analyse SWI-Prolog HTTP server log files
ical0.1.09
iCalendar DCGs and parsers
identity0.2.219
Registration, login, and role management
imodule0.0.11
Support for modules from the server.
index_util0.0.21253246
Prolog index utils
indexed_terms1.0.017
Positional access to terms' arguments
inotify0.9.116362
Access Linux inotify API to watch file system changes
instant_prolog_docs2.0.3114351
Magically document prolog source files based on predicate and variable naming conventions
interpolate0.1.02891
String interpolation
irc_client1.3.096239
Low level interface to IRC clients
jolog0.0.314434
Concurrency via join calculus
json_answer0.13
Convenience module to convert a prolog query into a JSON answer
julian0.1.3767014
Date and time library
julian_lang_en0.0.214847
Parse English language phrases into library(julian) constraints
jwt_io0.0.344522
JWT implementation
k8s_client1.1.04152
kubernetes API client with watcher functionality
kubepl0.111411
Kubernetes Client
lambda1.0.0748
(4/4)
Lambda expressions
lambda_abstractions0.2.113231
Lambda abstractions
languages_bot0.0.11128
A chatbot that talks with the user to recommend some programming language
lazy_streams0.5.016
Lazy Stream Generators
lbfgs1.015511
An interface to call libLBFGS from within SWI-Prolog
lcs0.0.140
Longest common subsequence
ldap4pl0.113635
LDAP interface
lib2.917342
Predicate based code development
lib_atts1.1.1183181
Common atts.pl interface like https://sicstus.sics.se/sicstus/docs/4.0.0/html/sicstus/lib_002datts.html
libssh0.9.123936
Provide an embedded SSH server
link_grammar_prolog4.1.0.324642
A binding to use the Link Grammar library from SWI-Prolog
list_util0.13.0192,8221
Predicates for working with lists
log4p0.0.2113
Logging for Prolog
logicmoo_base2.0.348853
LogicMOO - Extends Prolog Programming to support Dynamic Epistemic Logic (DEL) with Constraints
logicmoo_cg2.0.36193
Conceptual Graph (CG) Libraries in Prolog and test data
logicmoo_ec2.0.3581
Logicmoo Event Calc -- A SWI-Prolog Pack that lets Prolog code seamlessly use planners speaking: LPS, Decreasoner EventCalc, PDDLish and OCLh
logicmoo_nars2.0.3183
Narsese: Like OpenNARS in Prolog
logicmoo_nlu2.0.326841
Various English to Logic Converters - warning: HUGE amount of lexical and test data
logicmoo_planners1.1.118284
Various Hybrid HTN Planners speaking PDDLish and OCLh
logicmoo_utils3.0.343892
Common predicates that are used throughout LogicMOO Software
logicmoo_webui2.0.38171
LogicMOO - The pack that installs the WebUI
logicmoo_workspace2.0.3231
LogicMOO Workspace -- The pack that installs the Logicmoo IDE and WebUI
logtalk3.58.0868411
Logtalk - Object-Oriented Logic Programming Language
loop_check1.1.1189122
New simple loop checking
lps_corner2.0.33155
LPS Corner with SWISH and Dialect
lsp_server2.2.828451262
A Prolog LSP Server
mail_merge1.0.01171
Library for performing mail merge
mail_standards0.1.03
Mail IMF and Maildir implementations.
markdown0.0.32251120
Markdown parser for SWI-Prolog
mathml0.217291
Translates mathematical expressions to compounds that can be used by html//1 (SWISH) or html//3 (normal SWIPL, with pack http/html_write).
matrix2.0724423
Operations with matrices
matrix_utls1.111714
Matrix utilities: Kronecker (Tensor), Hadamard, and matrices creation/multiplications
mavis0.2.3131,0512
Optional type declarations
maybe0.1.137168
The maybe type represents an optional value
memo0.6.1178635
Persistent memoisation of deterministic predicates
midiutils0.0.38
midiutils
mime0.5.01211
MIME processing library based on maildrop
miser0.0.126
Build self-optimizing predicates
mlu0.42686
Machine learning utilities
mpi1.05291
Porting of the LAMMPI library of Yap Prolog to SWI-Prolog
mqtt1.0.525957
mqtt - pub/sub pack for SWI-Prolog using mosquitto
msgpack0.1.642721
DCG for packing & unpacking of MessagePack data to/from bytes
msgpackc0.2.142111
C-Based MessagePack for SWI-Prolog
mtx0.65467
Working with data matrices
multimodal_dcg2.0.38348
Reduce floundering of DCGs by constraining and narrowing search
musicbrainz0.7.0215024
Musicbrainz client library
musicxml0.0.212624
MusicXML partial reader
must_trace1.1.11826451
Trace with your eyeballs instead of your fingers
mutable_variables1.0.026
Mutable Variables
nan_common1.223127
Common operations (validation, etc.)
nan_numerics_prime1.2.545954
Nan.Numerics.Prime - A simple prime number library
nan_system_sources1.2.013
Nan.System.Sources - Answer Sources in Prolog
nanp0.1.0198
phone numbers in the North American Numbering Plan
narsese2.0.3142
Narsese: Like OpenNARS in Prolog
no_repeats1.1.11871910
New ways to avoid duplicate solutions
notes8000.1.0191
Query phone number data from 800notes.com
number_to_word0.4.253429
Integer to English word conversions
obo_core0.0.113
Vocab for upper parts of core OBOs such as GO
obo_metadata0.0.43221218
RDF vocabulary for OBO metadata ontologies
obo_ro0.0.112
Vocab for OBO Relation Ontology
odf_sheet0.2.458921
Load and analyze ODF spreadsheets (.ods)
odict0.2.652621
Unifier over feature structures based on attributed variables
ontodot0.1.121512
Create dot files from an RDF ontology.
ontoweb0.0.4198
Show an ontology through a Web service.
open_dicts0.0.128
Open dicts for SWI Prolog
openapi0.241111
OpenAPI (Swagger) interface
options1.499616
Options handling.
orgref_fix0.1.07
Fix Org-ref citations.
os_lib1.5108516
Operating system interaction predicates.
pPEG1.0.27211
Pack to support parsing text using pPEG grammars
pac1.6.71031861
Anonymous predicates expansion utility
pac4pl0.11101
An SWI-Prolog interface to libPAC
pack_errors2.159145
Contextual error handling for packs.
pager0.1.01111
Send output to user's preferred pager
pascal1.04171
Probabilistc inductive constraint logic
pcache0.1.015
Persistent answer cache
pddl_valoptic_api1.1.1181
pddl_valoptic_api -- A SWI-Prolog Pack that lets Prolog code seamlessly use PDDL based planners.
peg_syntax1.0195
PEG syntax for prolog
pepl2.25304
Parameter estimation for SLP with the Failure Adjusted Maximisation algorithm.
persist0.11
Persists facts into a file
pfc3.0.3591571
Pfc -- a package for forward chaining in Prolog
pfd_meta0.116
Probabilistic finite domains meta-interpreter
pha0.1.222624
Probabilistic Horn Abduction
phil1.0.0511381
Learning Hierarchical Probabilistic Logic Programs
phil_datasets1.07394
Dataset for machine learning with phil
pinyin0.1.552216
Parsing and generation of Hanyu Pinyin
plOpenGL0.6.25136122
(1/1)
OpenGL Bindings
pl_mustache1.0.02161
Mustache
pl_omdb0.5.083515
API interface to OMDB (Open Movie Database)
pl_owl0.1.04
OWL utility predicates over rdf library
plammar1.0.24142
Prolog parser and serialiser written in Prolog
planner_api1.1.118491
planner_api -- A SWI-Prolog Pack that lets Prolog code seamlessly use planners speaking PDDLish and OCLh
plasticsearch0.122523
Elasticsearch client API
plcairo1.1.1410250
plcairo - Prolog bindings for cairo graphics library
plcal0.0.55301
Programming Calendar
plchatscript1.0.943630
(1/1)
Interface to the ChatScript server.
plcomplex0.22221
Simple calculation of complex numbers
plfann0.0.24573
SWI-Prolog for "Fast Artificial Neural Network Library"
plgi1.1.01120767
(1/1)
PLGI - Prolog bindings for GLib/GObject/GIO/GTK+
pljulia0.1.417691
Embedded Julia for SWI Prolog
plmake0.0.311712
Prolog makefile-like system
plmidi0.7.073815
Interface to Mac OS X MIDI system
plml2.0.3163915
Prolog-Matlab bridge
plosc0.4.664817
OSC input/output via liblo
plplot0.0.133910
A library to plot data using gnuplot.
plrand0.9.13136645
Skippable pseudorandom generator and distributions
plsmf0.5.083723
Standard MIDI File reading
plstat1.011514
plstat - Statistics with Prolog
plumdrum0.0.632212
Parsing of Humdrum/Kern symbolic music file format
pluuid2.0.014
Generating and parsing version 4 UUIDs in Pure Prolog
predicate_streams3.0.3231302
Implement your own Abstract Predicate Streams
print_table0.0.52301
Formats and prints a table on the terminal screen
prism0.2.142117
Run PRISM as a child process
programk2.0.3174
AIML 2.0 - Because an AIML Interpreter/Chatbot needed to exist in Prolog to!
progress_bar0.0.51121
Progress-bar and spinner (text-based)
prolog_geo1.0.763012
Geospatial support in Prolog
prolog_graphviz1.0.5312184
Prolog-based graph visualization
prolog_imagemagick1.0.332113
Prolog binding for ImageMagick
prolog_library_collection1.0.1612616252
Prolog Library Collection
prolog_rdf1.0.752410
Prolog RDF Library
prolog_starter_project1.0.421610
Prolog Starter Project
prolog_uriparser1.0.55178
Prolog binding for uriparser
prolog_verify_type0.11
A more declarative approach to verify the type of a prolog term
prologmud2.0.330632
Online text adventure game - MUD Server
prologmud_I71.2.11112303
PrologMUD I7 (NomicMU!) with small Adventure Games in Prolog using the CHAT80 Prolog natural language application
prologmud_samples2.0.338732
Online text adventure game - Sample
prosqlite1.81882989
(0/1)
An SWI-Prolog interface to SQLite
pub_graph1.111715
Access, cache and visualise citation relations in publications servers
pubmed0.0.434029
Access pubmed publication records
purity0.1.33118
A Horn Clause Only library for Prolog
py_to_plantuml0.0.3285
Creates UML class diagrams from Python pylint's pyreverse generated .dot files.
quantity0.111311
Parse quantities like "1.5 kg" and return some formatting information.
quickcheck0.3.0171531
QuickCheck randomized testing
r_session1.111615
Interface to an R process
race0.1.07391
Client for the SOAP interface of the Attempto Reasoner RACE
rdet1.0.2717526
Runtime determinacy checker
rdf_matcher0.1.532518
RDF matching utils
rdf_notification0.113
RDF notification
rdfs2pl0.0.535129
Compile an RDFS schema to prolog predicates
readability_parser0.0.432920
Readability Parser API
real2.3145676
Integrative statistics with R
recaptcha0.9.226964
reCAPTCHA plugin for SWI-Prolog HTTP framework
refactor0.0.358921
(1/1)
Refactoring Tools for SWI-Prolog
regex0.3.3111,5431,148
Regular expressions
reif1.0.0270
Reified if, reification library
reif_utils1.0.07
A collection of reified predicates for use with reif.pl
resbound0.8.113736
Run goal with resource bounds
resp0.331815
Redis protocol parser and writer
resp_parse0.11
Redis protocol parser and writer
rocksdb0.10.0910312
SWI-Prolog interface to RocksDB
rologp0.121741
Simple interface to R
rologpp0.41382041
Simple interface to R
roman0.1.050
Roman numerals
ropes0.1.75147
Ropes data structure library
rserve_client1.1.1167416
R Rserve client
rtchecks0.0.127461
Run-Time Checker for Assertions
rtg0.0.7113019
Regular Tree Grammer validator
rtp_qsndqs0.323634
Real-time persistent queues and deques.
rtrace0.0.71
Selective Interactive Non-Deterministic Tracing
s_expression1.2.11193323
Utilities for Handling of S-Expression Lisp/Scheme-Like forms and parsing of KIF, GDL, PDDL, CLIF
scasp0.9.015499
Goal directed ASP solver
semantria0.0.433828
Use Semantria natural language API
si0.11
Port of the Scryer prolog si module
simple_bootstrap0.0.211513
Bootstrap Extension to Simple Web
simple_template1.3.19425225
Logic-free text (HTML) templates
simple_web0.3.164224
Microframework for building websites
sindice0.0.532720
Access to Sindice semantic web search engine
slack_prolog2.0.33223
Prolog interface to Slack http://www.slack.com
sldnfdraw1.619431165
SLDNF Draw is a Prolog program that draws SLDNF Trees in LaTeX
small_adventure_games1.1.81
Small Adventure Games in Prolog using the CHAT80 Prolog natural language application
smtlib0.0.652215
SMT-LIB parser for SWI-Prolog
smtp1.0.05324128
An (E)SMTP client for sending mail
sort_dict0.0.32112108
Sorts dicts by key
sourcehut0.1.107
SourceHut GraphQL API client
space0.3.34369
Space package
sparkle0.1.19833
(1/1)
Prolog-friendly interface to SPARQL endpoints
sparqlprog0.2.9211,093318
Logic programming with SPARQL
sparqlprog_wikidata0.0.324941
SPARQLprog bindings for WikiData
spawn0.0.1155
Easy concurrency
spotify0.1.013
Use the Spotify API from Prolog.
spuds1.110355
Persistent, user code inclusive, documentation server for linux
sql_compiler0.1.412928
Prolog to SQL compiler
stoics_lib1.4108120
A medley of library predicates for stoics packs
stompl0.11134
STOMP client
subclause_expansion1.1.1185111
More detailed versions of term/goal expansion hooks
sudoku_utils0.0.113740734
Testing to make an example package with utils for working with Sudoku
svg0.18
Manipulating SVG xmls
sweet0.1.136964
Sugar to make Prolog a little sweeter
swicli2.0.012808
SWI-Prolog interface to C/C++/.NET/Mono/Objective-C
swipe0.2.6115426
Shell pipeline construction with type checking
switex0.0.763226
Literate programming with LaTeX and Prolog
tabling_dra1.0.4572
SWI-Prolog interface to Table-handling procedures for the "dra" interpreter. Written by Feliks Kluzniak at UTD (March 2009)
tailwind_pl2.0.29246
Tailwind-style CSS generator for Prolog
tailwind_pl_generate2.1.1242
Tailwind-style CSS generator for Prolog - Generator
tap1.0.3245851
Automated tests via Test Anything Protocol
telegrambot0.0.21
API for Telegram
term_diff0.0.111412
terminus_store_prolog0.19.8793,495199
Use the Terminus-Store Rust library from Prolog
thousands0.2.033227
(0/1)
Thousands separator for large integers
tidylog0.0.115
timeutils0.0.424
Tools for temporally aware programming
tokenize1.0.14235175
A simple tokenization library
tor1.0.444423
Tor: Extensible Search with Hookable Disjunction
transpiler0.1211003
A universal translator for programming languages
trill6.0.412030211
A tableau probabilistic reasoner in three different versions
turing1.0.224338
Turing Machine Simulator
tus0.0.10922468
TUS file transport protocol in prolog
twitter0.101235
(1/1)
A pack to access the twitter api
type_check1.0.339117
Type System for Prolog based on Hindley-Milner
typedef0.1.910405293
(2/2)
Support for type definitions
unified_diff0.0.125
Parse and generate unified diffs
union_find1.0.028
A union-find algorithm implementation for SWI-Prolog
unionfind1.0.022
Optimal implementation of the union-find algorithm in CHR
upsh2.542716
Unix to Prolog shell.
uri_qq0.3.033726
URI quasiquotations
uuid1.1.027270
Generating and parsing version 4 UUIDs
vcard0.0.112
vCard Parser and Predicates
wam_common_lisp2.0.3409011
ANSI Common Lisp implemented in Prolog
web0.1.113633
Easy web client
webconsole0.9.119594
(0/1)
Use a browser as HTML console
weblog0.0.565012
(0/1)
weblog
wgraph0.657031
Weighted graphs, with plotting via Real
with0.0.423
Context managers for SWI Prolog
with_memory_file0.1121
Like with_output_to but for memory files
with_open_options1.2.1161912
Utilities to open various objects for read/write
with_state0.0.562820
Stateful computations with records
with_thread_local1.2.1115123
Call a Goal with local assertions
wordnet0.9.3411316
Access to WordNet database
wsdl0.180
Web Service Description Language (WSDL) and SOAP
wumpus1.0.01
Hunt The Wumpus
xlibrary0.0.237551
Extended Libraries for Prolog
xlisting1.2.11115292
Selective Interactive Non-Deterministic Tracing
xlisting_web1.1.11861610
Manipulate and browse prolog runtime over www
xsd0.2.18853
XML Schema validation with Prolog
xtools0.0.256802
Extended tools for Prolog
yaml0.141962
YAML parser