All packages (version 22.12)

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• jwt: JSON Web Token 27

  JSON Web Token

  jwt web jws jwe token jose

  Tue, 20 Jan 2026 17:04:37 GMT

• set_theory: Set Theory 219

  Eiffel classes modeled upon the concepts of set theory

  specification set theory model

  Fri, 30 Jun 2023 19:13:41 GMT

• wex: Windows Eiffel Library (WEL) eXtension 221

  Collection of components extending the WEL library.

  wel windows extension

  Tue, 20 Jan 2026 17:01:59 GMT

• zlib: Eiffel zlib 222

  zlib Eiffel Library

  compression zlib

  Tue, 20 Jan 2026 16:58:49 GMT

• memory_analyzer: Memory Analyzer Library 222

  Memory analyzer library: Track down your memory usage within your application.

  memory analyzer ide

  Tue, 20 Jan 2026 16:59:36 GMT

• netssl: Eiffel Net SSL 223

  Extend Eiffel Net with SSL support (using openSSL)

  network net socket ssl

  Tue, 20 Jan 2026 16:58:41 GMT

• ise_gobo: Gobo Eiffel for EiffelSoftware 224

  Welcome to the distribution of Gobo from EiffelSoftware. Here are some information on this distribution: * The Gobo binaries are located in spec/$ISE_PLATFORM/bin. * The documentation is available from http://www.gobosoft.com * The samples can be compiled using the gobo_sample.ecf file and replacing the THE_ROOT_CLASS_HERE by the actual name of the root class for the sample you chose. Happy Eiffeling, The EiffelSoftware Team

  ise gobo argument lex yacc lexical math parse pattern regexp string structure test time utility tools xml

  Tue, 20 Jan 2026 17:00:13 GMT

• microdata: MicroData parser 224

  Solution to extract MicroData from HTML5 content.

  microdata parser html5 html data machine-readable schema

  Tue, 20 Jan 2026 17:05:25 GMT

• parse: EiffelParse 224

  Parse library: Parsing facilities.

  parser text

  Tue, 20 Jan 2026 16:59:40 GMT

• ribbon: EiffelRibbon vision2 library 226

  Eiffel Ribbon library of reusable components for Eiffel.

  vision2 ribbon windows

  Tue, 20 Jan 2026 16:59:50 GMT

• espec: ESpec, an Eiffel Specification Library 226

  ESpec: Eiffel Specification Library (simplified version without the GUI facilities).

  specification test

  Tue, 20 Jan 2026 17:04:21 GMT

• decimal: Decimal library 227

  DECIMAL numbers. Following the 'General Decimal Arithmetic Specification'

  math decimal

  Tue, 20 Jan 2026 17:02:02 GMT

• text_filter: Eiffel Text Filters 227

  Filters interface and implementation to transform a text into another. Supported filters: - html content - line break to html - url content - .. And formats being an ordered collection of filters.

  filter format text

  Tue, 20 Jan 2026 16:59:02 GMT

• peg: Eiffel PEG 228

  Eiffel PEG parser. (Parsing Expression Grammar).

  parser expression grammar

  Tue, 20 Jan 2026 16:59:00 GMT

• mysqli: Eiffel MySQLi 229

  MySQLi Eiffel wrapper.

  persistency database sql mysql

  Tue, 20 Jan 2026 16:58:19 GMT

• criteria: Eiffel criteria 230

  Implementation of Filter|Criteria pattern. Useful to filter a list. Via a Criteria factory, it provides expression evaluation based on binary operators and labels, such as "name:foo or tag:test" which keeps items satisfying criteria "name=foo" and has tag "test".

  criteria filter pattern search

  Tue, 20 Jan 2026 16:57:56 GMT

• http_client: HTTP client 231

  Provides simple routines to perform http requests, and get associated response. It has two implementations: - using Eiffel cURL (i.e libcurl) - using EiffelNET (and the EiffelNET SSL extension)

  http client network request web curl EWF

  Tue, 20 Jan 2026 17:05:23 GMT

• C_library: C_library dependencies 233

  Clibs dependencies used by other Eiffe libraries. Please do not use directly.

  clib libpng zlib libcurl openssl

  Tue, 20 Jan 2026 16:59:17 GMT

• eclop: ECLOP, Eiffel Command Line Parser 233

  ECLOP stands for Eiffel Command Line Parser and is a small library for parsing command line options. The current release (0.1.1) should still be considered a beta release but should despite that still be useful for writing command line based programs and it is reasonably stable. Your mileage may vary. ;-)

  command line parser argument

  Tue, 20 Jan 2026 17:03:31 GMT

• web_browser: Eiffel Web Browser 234

  Web Browser: Multiplatform web browser extension of Vision2 library for Eiffel. Based on Webkit-1.0 on Linux; IE core on Windows.

  browser html embedded vision2 widget

  Tue, 20 Jan 2026 16:59:38 GMT

• uri: EiffelURI 234

  Collection of URI parser and builder: - URI : Uniform Resource Identifier - PATH_URI : URI application for path - IRI : Internationalized Resource Identifier

  parser uri iri path resource identifier

  Tue, 20 Jan 2026 17:01:35 GMT

• vision2: Eiffel Vision2 234

  EiffelVision2 is a nice GUI toolkit abstraction that works on multiple platforms. It is based on GTK for Unix and WEL on Windows.

  gui portable widget window ui toolkit

  Tue, 20 Jan 2026 17:01:15 GMT

• collection+json: Eiffel Collection+JSON 235

  Eiffel Collection+json is a library to work with Collection+JSON - Hypermedia Type, see http://www.amundsen.com/media-types/collection/ .

  hypermedia media-type api collection+json web

  Tue, 20 Jan 2026 17:04:44 GMT

• unstable_base_extension: Unstable extension to Eiffel Base 235

  Add graph related structures to Eiffel Base

  base extension graph

  Tue, 20 Jan 2026 16:58:56 GMT

• vision2_extension: EiffelVision2 extension 236

  Extensions to the EiffelVision2 library.

  vision2 extension container thread

  Tue, 20 Jan 2026 17:00:06 GMT

• wikitext: Wikitext 236

  Wikitext parser. Wikitext rendering as HTML. Support for notion of Wikitext book (book structure). See mediawiki for information related to wikitext format.

  wiki wikitext mediawiki book rendering html

  Tue, 20 Jan 2026 17:05:36 GMT

• thread: Eiffel Thread 237

  Multithreading facilities for Eiffel. Add threads to your application. EiffelThread provides basic synchronization objects such as mutex, semaphore, condition variables, read/write lock.

  thread concurrency concurrent mt

  Tue, 20 Jan 2026 16:59:34 GMT

• net: EiffelNet 237

  EiffelNet wraps the OS underlying network layers in an elegant portable Eiffel library.

  socket network smtp protocol mail

  Tue, 20 Jan 2026 17:01:00 GMT

• cypress: Cypress the OAuth consumer library 238

  OAuth consumer library

  authentication api oauth consumer web

  Tue, 20 Jan 2026 17:04:33 GMT

• arg_parser: Eiffel Argument Parser 238

  An argument parser library for parsing and validating command line arguments.

  arg argument parser command line cli

  Tue, 20 Jan 2026 17:00:17 GMT

• testing: Eiffel Autotests library 238

  Library required to write autotest cases.

  test autotest

  Tue, 20 Jan 2026 17:00:49 GMT

• openid: Eiffel OpenID 239

  OpenID consumer library

  openid security web authentication sso

  Tue, 20 Jan 2026 17:04:35 GMT

• eapml: Eiffel Arbitrary Precision Mathematics Library 239

  Eiffel Arbitrary Precision Mathematics

  mathematics precision

  Tue, 20 Jan 2026 17:02:05 GMT

• svn: Subversion Client wrapper 240

  A simple library wrapping subversion command line client.

  subversion

  Tue, 20 Jan 2026 17:01:57 GMT

• base2: EiffelBase2 240

  Fully specified and verified container library for Eiffel

  base kernel structure io

  Tue, 20 Jan 2026 16:58:43 GMT

• lex: Eiffel Lex library 241

  Lex library: Lexical analyzer

  lex lexical token

  Tue, 20 Jan 2026 16:59:21 GMT

• uri_template: URI Template 241

  Implement URI Template as described at http://tools.ietf.org/rfc/rfc6570.txt Support for URI template string expansion But also partial URI Template matching

  parser uri template router generator url

  Tue, 20 Jan 2026 17:05:30 GMT

• ael_printf: Amalasoft Eiffel Printf 241

  The Amalasoft Eiffel Printf Cluster is a collection of classes that implements a printf facility for the Eiffel language. It depends on the Eiffel base libraries (available in open source or commercial form from Eiffel Software www.eiffel.com) and is, like other Eiffel code, portable across platforms.

  printf text

  Tue, 20 Jan 2026 17:01:55 GMT

• time: EiffelTime 242

  Date/Time abstractions and computations. Manipulation of time, date and duration.

  time date duration

  Tue, 20 Jan 2026 16:59:32 GMT

• imap: IMAP library 242

  IMAP server protocol

  mail imap message

  Tue, 20 Jan 2026 17:05:12 GMT

• api_wrapper: API wrapper 242

  library used to wrap external libraries.

  api wrapper external

  Tue, 20 Jan 2026 17:00:15 GMT

• crypto: Eiffel Crypto 243

  Eiffel Encryption facilities written in Eiffel, without dependencies on specific C library. Support for - bcrypt - hashing: md5, sha1, sha256, message_digest - hmac: hmac_md5, hmac_sha1, hmac_sha256 - salt, xor_shift_64

  encryption bcrypt md5 sha sha1 sha256 message digest hmac salt

  Tue, 20 Jan 2026 16:59:04 GMT

• diff: Diff library 243

  diff library

  diff text

  Tue, 20 Jan 2026 16:59:28 GMT

• wel: WEL 244

  WEL: Windows Eiffel Library, reusable Eiffel components for Windows programming.

  windows win32 graphic registry file

  Tue, 20 Jan 2026 17:01:41 GMT

• iphone: Eiffel iPhone Library 244

  Eiffel Library for iPhone development

  ios mobile wrapper

  Tue, 20 Jan 2026 17:00:02 GMT

• cocoa: COCOA Eiffel Wrapper 244

  Cocoa is Apple's native object-oriented application programming interface (API) for the OS X operating system.

  osx gui vision2

  Tue, 20 Jan 2026 16:59:45 GMT

• com: Eiffel COM 244

  Com library: Reusing/Creating COM components in Eiffel.

  windows com component

  Tue, 20 Jan 2026 17:00:41 GMT

• base_extension: Eiffel Base Extension 244

  Extension to Eiffel Base

  base structure support extension

  Tue, 20 Jan 2026 17:01:17 GMT

• edk: Eiffel Drawing Kit (EDK) 245

  Multiplatform drawing kit

  vision2 drawing

  Tue, 20 Jan 2026 16:59:23 GMT

• i18n: Eiffel internationalisation (i18n) library 245

  i18n internationalisation applications

  i18n text

  Tue, 20 Jan 2026 17:01:47 GMT

• Eiffel2Java: Eiffel2Java 245

  Eiffel2Java lets you call Java code by loading a JVM instance in an Eiffel process and controlling the execution of Java code from Eiffel.

  java wrapper

  Tue, 20 Jan 2026 17:00:38 GMT

• gobo: Gobo Eiffel Project 245

  The Gobo Eiffel Project provides the Eiffel community with free and portable Eiffel tools and libraries. See package 'ise_gobo' to include easily the library via .ecf files.

  gobo ise kernel structure io buffer xml

  Tue, 20 Jan 2026 17:03:26 GMT

• pcre: PCRE regexp library 245

  PCRE regexp library, also supporting unicode.

  pcre regexp match pattern

  Tue, 20 Jan 2026 16:58:58 GMT

• argument_parser: Obsolete Eiffel Argument Parser 246

  Obsolete, please use the new 'arg_parser' library

  obsolete argument parser command line cli

  Tue, 20 Jan 2026 17:01:50 GMT

• uuid: EiffelUUID 246

  Generate/Manipulate UUIDs.

  uuid generator parser identifier

  Tue, 20 Jan 2026 17:00:45 GMT

• http_authorization: HTTP Authorization 246

  Class to manipulate HTTP 'Authorization' header value.

  http authorization authentication web

  Tue, 20 Jan 2026 17:04:39 GMT

• encoding: Eiffel Encoding Library 247

  The library is used to convert string among various encodings. It basically wraps Windows APIs on windows and iconv library on Unix. Major Unicode encoding conversions are implemented in pure Eiffel.

  encoding iconv conversion

  Tue, 20 Jan 2026 17:00:57 GMT

• curl: Eiffel cURL 248

  libcURL wrapper library

  network curl wrapper client http

  Tue, 20 Jan 2026 17:00:47 GMT

• notification_email: Notification Email 248

  Abstract interface to send message via various mailers: - smtp - sendmail - external script - store on local file - ...

  message smtp sendmail mailer

  Tue, 20 Jan 2026 17:03:28 GMT

• sqlite3: Eiffel sqlite3 library 248

  Eiffel SQLite wrapper for http://www.sqlite.org/ library. This provides a statically linked sqlite, based in SQLite 3.7.8.

  persistency database sqlite sqlite3

  Tue, 20 Jan 2026 16:58:17 GMT

• feed: Eiffel FEED parser 248

  RSS2.0 and ATOM feed parser. Feed visitor including HTML generation from FEED Eiffel objects.

  rss atom feed html generator parser

  Tue, 20 Jan 2026 17:05:28 GMT

• patterns: Patterns 249

  Patterns library

  pattern flyweight observer

  Tue, 20 Jan 2026 17:00:04 GMT

• scoop_patterns: Eiffel SCOOP patterns 249

  Services for concurrent programming in SCOOP.

  scoop concurrency pattern

  Tue, 20 Jan 2026 16:57:58 GMT

• process: EiffelProcess 249

  Process library: Starting/Waiting for process as well as reading/writing to/from standard inputs. Note: it requires EiffelThread.

  process runtime

  Tue, 20 Jan 2026 16:59:30 GMT

• error: Error framework 249

  Errors and associated handler, to manage errors and also provides a way to synchronize one or many error handlers. This is convenient to propagate error from a layer to another without adding unwanted dependencies.

  error framework

  Tue, 20 Jan 2026 17:03:33 GMT

• event: Eiffel Event Library (EEL) 249

  Event library

  event handle pattern

  Tue, 20 Jan 2026 16:59:19 GMT

• web: Obsolete Eiffel Web 249

  Obsolete and simple solution to build CGI applications

  web cgi obsolete

  Tue, 20 Jan 2026 17:00:52 GMT

• ActiveX_control_container: ActiveX Control Container 250

  activex windows

  Tue, 20 Jan 2026 16:59:53 GMT

• smarty: Eiffel Smarty Template engine 251

  Template engine library inspired by smarty.net php template engine. It provides a parser and the engine execution itself in order to generate for instance html output. However it can be used to generate any kind of output (xml, json, html, ...).

  template rendering smarty

  Tue, 20 Jan 2026 17:05:38 GMT

• gobo_extension: Eiffel Gobo extension 251

  gobo extension library

  gobo extension

  Tue, 20 Jan 2026 17:01:19 GMT

• json: Eiffel JSON 251

  Eiffel JSON parser and visitors.

  parser json text

  Tue, 20 Jan 2026 17:05:33 GMT

• xml: Eiffel XML 251

  Collection of Eiffel libraries to manipulate XML content: - XML parser: parser and callbacks components - XML tree: document, elements, and nodes (and related visitors)

  xml parser tree callback visitor

  Tue, 20 Jan 2026 17:01:32 GMT

• graph: EiffelGraph Library 251

  EiffelGraph lets you build graph representation which are either static or dynamic. The later is using some clever physics algorithm to automatically position nodes of the graph depending on the repulsion of each nodes and the stiffness of each edge.

  vision2 graph physics algorithm

  Tue, 20 Jan 2026 17:00:55 GMT

• abel: Eiffel ABEL 251

  A library for unified access to persistence services.

  persistency database dbms rdbms odbms sql nosql mysq sqlite couchdb

  Tue, 20 Jan 2026 16:58:32 GMT

• http: HTTP protocol 253

  Collection of interfaces related to HTTP protocol: - header - status codes, request methods - content type, media type, mime type. - cookie - date used in web protocol - file extension mime mapping

  http web header status method type mime cookie

  Tue, 20 Jan 2026 17:05:10 GMT

• websocket: Websocket 253

  Websocket client and server component.

  http ws websocket web socket stream EWF

  Tue, 20 Jan 2026 17:04:52 GMT

• objc_base: Objective-C Base Library 254

  Wrapper classes for Objective C

  objective-c objc

  Tue, 20 Jan 2026 16:59:47 GMT

• ewf: EiffelWeb framework 254

  EiffelWeb framework. Include: - wsf and ewsgi: core of the Eiffel Web Framework, used to build web server application. - EWSGI connectors and their WSF integrations. - Various wsf extensions (extension, session, policy driven, ..) - text encoder (html, percent encoding, ...) - wsf html: to generate and handle html widgets such as web forms. - wsf proxy: to add reverse proxy behavior.

  ewf server httpd request connector policy session widget form web proxy network

  Tue, 20 Jan 2026 17:04:49 GMT

• logging: EiffelLogging 255

  Logging Cluster - Provide interface to various logging mechanisms

  runtime logging

  Tue, 20 Jan 2026 17:00:27 GMT

• hal: HAL 255

  Eiffel HAL is a library to work with http://stateless.co/hal_specification.html#json HAL is used for exposing RESTful hypermedia APIs. Right now the current implementation only support JSON_HAL.

  Hypermedia REST Media-type API Media-Type api rest hypermedia media-type

  Tue, 20 Jan 2026 17:04:42 GMT

• libevent: Eiffel libEvent 255

  libevent wrapper library for Eiffel

  event libevent wrapper

  Tue, 20 Jan 2026 17:00:00 GMT

• base: EiffelBase 256

  Eiffel Base: kernel library classes, data structure, Input and Output

  base kernel structure io

  Tue, 20 Jan 2026 17:00:11 GMT

• http_network: HTTP network 256

  Provides networking component for HTTP related protocols. It is mainly used by other libraries.

  http client network

  Tue, 20 Jan 2026 17:05:21 GMT

• preferences: EiffelPreferences 257

  Preferences library - support XML - support registry keys (Windows) - provide a set of vision2 widget to edit the preferences from a vision2 app.

  preferences console application vision2 widget

  Tue, 20 Jan 2026 17:01:27 GMT

• kmp_matcher: Eiffel Matcher 257

  Matcher pattern - wildchar implementation (* and ?).

  kmp wildchar matcher regexp pattern

  Tue, 20 Jan 2026 17:01:29 GMT

• bzip2: Eiffel bzip2 264

  BZlib Eiffel library

  bzip compression

  Tue, 20 Jan 2026 16:58:50 GMT

• ROC: ROC CMS 267

  Eiffel ROC CMS library is build with [EWF](http://eiffelwebframework.github.io/EWF/) and inspired by [Drupal](https://www.drupal.org/). The goal of the library is to provide the following features. - content type - user management - node management - module design - theme - API - ...

  cms web rest api user node module theme authentication

  Tue, 20 Jan 2026 16:58:39 GMT

• editor: Vision2 Editor library 268

  Vision2 Text Editor Component.

  vision2 gui text editor widget

  Tue, 20 Jan 2026 16:59:43 GMT

• docking: Vision Smart Docking library 268

  Docking: Multiplatform docking library of reusable components for Eiffel.

  gui vision2 tool panel docking

  Tue, 20 Jan 2026 17:01:25 GMT

• content_negotiation: CONneg Content Negotiation 273

  CONneg is a library that provides utilities to select the best repesentation of a resource for a client where there are multiple representations available.

  content accept conneg negotiation EWF web request

  Tue, 20 Jan 2026 17:05:18 GMT

• etar: TAR archive library 273

  TAR archive library

  archive tar file

  Tue, 20 Jan 2026 17:03:38 GMT

• eel: Eiffel Encryption Library 274

  An encryption library in Eiffel

  encryption

  Tue, 20 Jan 2026 17:05:40 GMT

• store: Eiffel Store 275

  EiffelStore: Relational database mapping for Eiffel.

  store database mysql oracle odbc sybase sql relationaļ dbms rdbms

  Tue, 20 Jan 2026 17:00:35 GMT

• zeromq: Eiffel ZeroMQ wrapper 276

  Eiffel Wrapper for ZeroMQ

  zeromq zmq message inproc asynchronous

  Tue, 20 Jan 2026 17:00:43 GMT

• nino: Eiffel Nino Web Server 295

  Simple HTTPd server written in Eiffel

  web httpd server

  Tue, 20 Jan 2026 17:05:07 GMT

Usage: "criterion:value" (note: "value" is aliased with  "text:value")

Criteria:
  [name]        name:foo* - packages of short name matching "foo*" pattern
  [title]       title:base - packages of title "base"
  [tag]         tag:web - packages tagged "web"
  [description] description:"advanced usage" - packages with phrase "advanced usage" in their description
  [owner]       owner:*Caesar - packages published by users with the user names matching "*Caesar"
  [downloads]   downloads:10 - packages with at least 10 downloads
  [text]        text:abc - equivalent to "name:abc or title:abc or tag:abc"

Criteria can be combined with "and" (the default), "or" (aliased with prefix "+"), "not" (aliased with prefix "-").
Criteria "name", "title", "tag" and "description" supports wildcards (*,?).