All packages (version 13.11)

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• base: EiffelBase 619

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

  base kernel structure io

  Tue, 20 Jan 2026 17:00:11 GMT

• curl: Eiffel cURL 605

  libcURL wrapper library

  network curl wrapper client http

  Tue, 20 Jan 2026 17:00:47 GMT

• xml: Eiffel XML 601

  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

• zeromq: Eiffel ZeroMQ wrapper 537

  Eiffel Wrapper for ZeroMQ

  zeromq zmq message inproc asynchronous

  Tue, 20 Jan 2026 17:00:43 GMT

• base_extension: Eiffel Base Extension 525

  Extension to Eiffel Base

  base structure support extension

  Tue, 20 Jan 2026 17:01:17 GMT

• Eiffel2Java: Eiffel2Java 520

  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

• process: EiffelProcess 516

  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

• api_wrapper: API wrapper 515

  library used to wrap external libraries.

  api wrapper external

  Tue, 20 Jan 2026 17:00:15 GMT

• com: Eiffel COM 514

  Com library: Reusing/Creating COM components in Eiffel.

  windows com component

  Tue, 20 Jan 2026 17:00:41 GMT

• editor: Vision2 Editor library 508

  Vision2 Text Editor Component.

  vision2 gui text editor widget

  Tue, 20 Jan 2026 16:59:43 GMT

• docking: Vision Smart Docking library 507

  Docking: Multiplatform docking library of reusable components for Eiffel.

  gui vision2 tool panel docking

  Tue, 20 Jan 2026 17:01:25 GMT

• decimal: Decimal library 501

  DECIMAL numbers. Following the 'General Decimal Arithmetic Specification'

  math decimal

  Tue, 20 Jan 2026 17:02:02 GMT

• ael_printf: Amalasoft Eiffel Printf 496

  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

• diff: Diff library 494

  diff library

  diff text

  Tue, 20 Jan 2026 16:59:28 GMT

• uri_template: URI Template 491

  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

• encoding: Eiffel Encoding Library 487

  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

• lex: Eiffel Lex library 486

  Lex library: Lexical analyzer

  lex lexical token

  Tue, 20 Jan 2026 16:59:21 GMT

• gobo_extension: Eiffel Gobo extension 485

  gobo extension library

  gobo extension

  Tue, 20 Jan 2026 17:01:19 GMT

• graph: EiffelGraph Library 481

  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

• espec: ESpec, an Eiffel Specification Library 481

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

  specification test

  Tue, 20 Jan 2026 17:04:21 GMT

• json: Eiffel JSON 477

  Eiffel JSON parser and visitors.

  parser json text

  Tue, 20 Jan 2026 17:05:33 GMT

• uri: EiffelURI 477

  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

• http_client: HTTP client 470

  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

• nino: Eiffel Nino Web Server 470

  Simple HTTPd server written in Eiffel

  web httpd server

  Tue, 20 Jan 2026 17:05:07 GMT

• error: Error framework 468

  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) 467

  Event library

  event handle pattern

  Tue, 20 Jan 2026 16:59:19 GMT

• web_browser: Eiffel Web Browser 463

  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

• parse: EiffelParse 460

  Parse library: Parsing facilities.

  parser text

  Tue, 20 Jan 2026 16:59:40 GMT

• svn: Subversion Client wrapper 460

  A simple library wrapping subversion command line client.

  subversion

  Tue, 20 Jan 2026 17:01:57 GMT

• time: EiffelTime 460

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

  time date duration

  Tue, 20 Jan 2026 16:59:32 GMT

• store: Eiffel Store 459

  EiffelStore: Relational database mapping for Eiffel.

  store database mysql oracle odbc sybase sql relationaļ dbms rdbms

  Tue, 20 Jan 2026 17:00:35 GMT

• http: HTTP protocol 458

  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

• vision2_extension: EiffelVision2 extension 457

  Extensions to the EiffelVision2 library.

  vision2 extension container thread

  Tue, 20 Jan 2026 17:00:06 GMT

• wex: Windows Eiffel Library (WEL) eXtension 455

  Collection of components extending the WEL library.

  wel windows extension

  Tue, 20 Jan 2026 17:01:59 GMT

• gobo-ise 454

  Gobo

  Tue, 17 Dec 2013 11:05:30 GMT

• preferences: EiffelPreferences 454

  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

• web: Obsolete Eiffel Web 452

  Obsolete and simple solution to build CGI applications

  web cgi obsolete

  Tue, 20 Jan 2026 17:00:52 GMT

• eclop: ECLOP, Eiffel Command Line Parser 451

  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

• testing: Eiffel Autotests library 450

  Library required to write autotest cases.

  test autotest

  Tue, 20 Jan 2026 17:00:49 GMT

• ewf: EiffelWeb framework 447

  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

• eel: Eiffel Encryption Library 445

  An encryption library in Eiffel

  encryption

  Tue, 20 Jan 2026 17:05:40 GMT

• wel: WEL 442

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

  windows win32 graphic registry file

  Tue, 20 Jan 2026 17:01:41 GMT

• arg_parser: Eiffel Argument Parser 439

  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

• eapml: Eiffel Arbitrary Precision Mathematics Library 436

  Eiffel Arbitrary Precision Mathematics

  mathematics precision

  Tue, 20 Jan 2026 17:02:05 GMT

• http_authorization: HTTP Authorization 436

  Class to manipulate HTTP 'Authorization' header value.

  http authorization authentication web

  Tue, 20 Jan 2026 17:04:39 GMT

• vision2: Eiffel Vision2 432

  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

• net: EiffelNet 432

  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

• kmp_matcher: Eiffel Matcher 429

  Matcher pattern - wildchar implementation (* and ?).

  kmp wildchar matcher regexp pattern

  Tue, 20 Jan 2026 17:01:29 GMT

• criteria: Eiffel criteria 428

  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

• old_argument_parser 414

  Argument parser (Obsolete, no unicode support)

  Tue, 17 Dec 2013 11:06:29 GMT

• openid_consumer 409

  OPENID consumer component

  Tue, 17 Dec 2013 11:06:33 GMT

• gobo: Gobo Eiffel Project 404

  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

• thread: Eiffel Thread 376

  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

• uuid: EiffelUUID 374

  Generate/Manipulate UUIDs.

  uuid generator parser identifier

  Tue, 20 Jan 2026 17:00:45 GMT

• memory_analyzer: Memory Analyzer Library 362

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

  memory analyzer ide

  Tue, 20 Jan 2026 16:59:36 GMT

• ribbon: EiffelRibbon vision2 library 358

  Eiffel Ribbon library of reusable components for Eiffel.

  vision2 ribbon windows

  Tue, 20 Jan 2026 16:59:50 GMT

• i18n: Eiffel internationalisation (i18n) library 141

  i18n internationalisation applications

  i18n text

  Tue, 20 Jan 2026 17:01:47 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 (*,?).