TrEd Extensions
Please note that this list is only a preview. You can download and install extensions directly from
TrEd application.
Core Extensions
Penn Arabic Treebank
(arabic_treebank 1.24)

This package contains basic support for working with the Penn Arabic Treebank in TrEd.
It consists of an input backend which converts the AG-XML+SGML input to PML
and a stylesheets for visualization of the resulting PML in TrEd.
Size: 22 kB package / 84.2 kB installed
Copyright (c) 2009 by Petr Pajas
Czech Academic Corpus Annotation
(cac 1.31)

Provides annotation mode for the Czech Academic Corpus project.
Size: 15.5 kB package / 74 kB installed
Copyright (c) 2006-2008 by Petr Pajas, Kiril Ribarov, Barbora Hladká
CoNLL 2009 Shared Task
(conll2009 1.39)

This package contains a stylesheet for visualization of
CoNLL-2009-ST data in TrEd,
scripts (for Linux and similar systems) for converting from the CoNLL-2009-ST format to PML,
and a TrEd annotation mode for predicate-argument annotation.
Size: 38.6 kB package / 117.1 kB installed
Copyright (c) 2018 by Jan Štěpánek, Matyáš Kopp
Czech Legal Text Treebank 2.0
(cltt 2.00)

Provides new features, macros and attributes for annotation of the Czech legal texts.
Size: 21.5 kB package / 74 kB installed
Copyright (c) 2013--2017 by Vincent Kríž, Barbora Hladká
Czengvallex: PDT-Vallex and EngValLex alignment
(czengvallex 1.30)

Provides annotation mode for vallency frames alignment
between PDT-Vallex and EngValLex.
Size: 2.6 MB package / 31.7 MB installed
Copyright (c) 2009-2013 by Josef Toman, Ondřej Bojar, Eva Fučíková
Simple Czech Tectogrammatical Parser
(cz_t_analysis 1.33)

Provides a simple TectoMT-based Czech analyzer that produces
tectogrammatical, analytical and morphological layers
for a given Czech sentence.
Size: 10.5 kB package / 47.7 kB installed
Copyright (c) 2008 by Zdeněk Žabokrtský, Václav Klimeš, Petr Pajas
Drawing ad-hoc trees
(draw 1.22)

Provides a simple context in which node visualization can be
freely manipulated by setting attributes of the nodes.
Size: 1.6 kB package / 14.3 kB installed
Copyright (c) 2008 by Petr Pajas
ElixirFM Lexicon
(elixir 1.2.1.2)

Editing, browsing, and processing of the ElixirFM lexicon.
Size: 2 MB package / 24.1 MB installed
Copyright (c) 2006-2013 by Otakar Smrž
Create a file-list by filtering text file columns
(filelist_filter 1.10)

Add a function Macros->TredMacro->File-list Filter (F10) that
can be used to create a file list by filtering
an input text file (e.g. a PML-TQ query result) consisting of one or more TAB-separated columns
the last of which is a filename, URL, or a node address.
The selection is then based on the values in the other columns.
Size: 73.3 kB package / 264.8 kB installed
Copyright (c) 2009-2024 by Petr Pajas, Jan Stepanek
Hyderabad Dependency Treebank
(hydt 1.54)

This package contains a conversion script for the
original .morph format of the Hyderabad Dependency Treebank (HyDT)
to PML and for the CoNLL representation to PML with
detransliteration of form and lemma and provides a stylesheets for
visualization of the resulting PML in TrEd. Works both for
ICON2009 and ICON2010 versions of the data.
Size: 29.9 kB package / 105 kB installed
Copyright (c) 2010 by Petr Pajas and Dan Zeman and Jan Štěpánek
INTLIB Annotation
(intlib 1.00)

Provides new features, macros and attributes for annotation of the Czech legal texts.
Size: 16.8 kB package / 71.5 kB installed
Copyright (c) 2015 by Vincent Kríž, Barbora Hladká
Prague Arabic Dependency Treebank
(padt 1.68)

Various annotation modes for Prague Arabic Dependency Treebank.
Size: 146.3 kB package / 569.6 kB installed
Copyright (c) 2004-2013 by Otakar Smrž
Extension for parallel treebank alignment
(parallel 1.8)

Provides schema, annotation mode, and PML-TQ extensions for node-to-node stand-off parallel treebank alignment.
Size: 50.7 kB package / 677.6 kB installed
Copyright (c) 2009 by Petr Pajas
Prague Czech-English Dependency Treebank
(pcedt )

Provides main annotation mode for the Prague Czech-English Dependency Treebank.
Size: 2.6 kB package / 16.6 kB installed
Copyright (c) 2006-2008 by Josef Toman
Prague Discourse Treebank 2.0
(pdit20 1.6)

Provides support for PDiT 2.0 files
Size: 1.5 MB package / 23.2 MB installed
Copyright (c) 2016-2024 by Jiří Mírovský
Prague Discourse Treebank 3.0
(pdit30 1.0)

Provides support for Prague Discourse Treebank 3.0 (PDiT 3.0) files
Size: 42.7 kB package / 23.2 MB installed
Copyright (c) 2022 by Jiří Mírovský
Old-style PDT 1.0 Annotation
(pdt10 1.25)

Provides annotation mode for PDT 1.0 analytical layer in FS/CSTS format.
Size: 34.3 kB package / 172.3 kB installed
Copyright (c) 2008 by Petr Pajas
Pre-PDT 2.0 Tectogrammatical Annotation (OBSOLETE)
(pdt15_obsolete 1.24)

Provides original macros used for tectogrammatical
annotation over PDT 1.0 (used before PDT 2.0 introduced
new PML-based system of annotation layers).
Size: 136.3 kB package / 549.2 kB installed
Copyright (c) 2008 by Petr Pajas
Prague Dependency Treebank 2.0 Annotation
(pdt20 1.62)

Provides complete support for viewing
and editing annotations of PDT 2.0 or similar data
(analytical and tectogrammatical layer).
Size: 89.4 kB package / 640.2 kB installed
Copyright (c) 2008-2024 by Petr Pajas, Jan Štěpánek
Prague Dependency Treebank 2.0 Sample Data
(pdt20_sample 1.28)

Contains 10 a-layer and 10 t-layer sample files from PDT 2.0
and adds corresponding file list items to the Session menu.
Size: 546.4 kB package / 585.9 kB installed
Copyright (c) 2006 by UFAL MFF UK
Prague Dependency Treebank 2.5
(pdt25 1.1)

Provides support for viewing the PDT 2.5 data
Size: 28.7 kB package / 94.1 kB installed
Copyright (c) 2012-2024 by Jan Popelka, Josef Toman
Prague Dependency Treebank 3.0
(pdt30 1.26)

Provides support for PDT 3.0 files
Size: 1.5 MB package / 23.2 MB installed
Copyright (c) 2018-2024 by Jiří Mírovský, Matyáš Kopp, Jan Štěpánek
Prague Dependency Treebank 3.5
(pdt35 1.4)

Provides support for PDT 3.5 files
Size: 1.5 MB package / 23.2 MB installed
Copyright (c) 2017-2024 by Jiří Mírovský, Petr Pajas, Jan Štěpánek, Zdeněk Žabokrtský
Prague Dependency Treebank - Consolidated 1.0
(pdtc10 1.26)

Provides support for Prague Dependency Treebank - Consolidated 1.0 (PDT-C 1.0) files.
Size: 1.4 MB package / 21.8 MB installed
Copyright (c) 2023-2024 by Jiří Mírovský, Jan Štěpánek, Petr Pajas, Zdeněk Žabokrtský
Automatically Assign Analytical Functions
(pdt_auto_afun 1.20)

Provides a macros that attempt to assign automatically analytical functions
to analytical nodes (PDT 1.0 or PDT 2.0 a-layer), based on morphological information
and tree structure (Czech only).
Size: 49.9 kB package / 672.9 kB installed
Copyright (c) 2002 by Zdeněk Žabokrtský
PDT-ValLex Editor
(pdt_vallex 1.67)

Provides GUI interface for TrEd to the Czech valency lexicon PDT-ValLex
with browse, search, edit and annotate capabilities.
Size: 887.6 kB package / 14.9 MB installed
Copyright (c) 2004-2024 by Petr Pajas, Jan Štěpánek
Prague English Treebank Annotation
(pedt 1.179)

Provides annotation mode for the Prague English Treebank and GUI for
the PEDT valency lexicon.
Size: 6.4 MB package / 21.6 MB installed
Copyright (c) 2005-2021 by Josef Toman, Eva Fučíková, Jiří Mírovský
PEDT Response Type Annotation
(pedt_response_type 1.27)

Provides a mode for annotation of response type over tectogrammatical layer of PEDT.
Size: 3.8 kB package / 20.7 kB installed
Copyright (c) 2008 by Josef Toman
Simple PML Diff
(pml_diff 0.3)

This package provides the basic visual diffing
interface. It works only on simple annotation schemas where the
relation of tokens to nodes is 1:1.
Size: 4.9 kB package / 26.7 kB installed
Copyright (c) 2010 by Jan Štěpánek
Display and Edit PML Schemas as Trees in TrEd
(pml_schema_tree 1.11)

With this extension it is possible to display and edit PML schemas in TrEd as trees.
Size: 2.7 kB package / 17.9 kB installed
Copyright (c) 2009 by Petr Pajas
PML Tree Query Interface for TrEd
(pmltq 2.15)

Provides graphical interface for PML-TQ, which is a system for querying over
treebanks or local files with a powerful query language.
Size: 988.7 kB package / 1.9 MB installed
Copyright (c) 2019 by Matyáš Kopp, Michal Sedlák, Petr Pajas
Penn Treebank
(ptb 1.40)

This package contains
a conversion script for Penn Treebank merged data format to PML
and a stylesheets for visualization of the resulting PML in TrEd.
Size: 39.7 kB package / 88.4 kB installed
Copyright (c) 2009 by Petr Pajas
Remote Control for TrEd
(remote_control 1.20)

This extension provides a macro that can
can connect to a remote server and process asynchronously commands (Perl one-liners) sent by the server.
It can be used for example to provide a simple voice control.
Size: 5.1 kB package / 21.9 kB installed
Copyright (c) 2008 by Petr Pajas
Slovene Dependency Treebank Annotation
(sdt 1.21)

Provides an annotation mode for syntactical dependency annotaiton
of Slovene corpus in the style of PDT 1.0. The package contains also
a simple rule-based Slovene parser.
Size: 6.7 kB package / 33.4 kB installed
Copyright (c) 2003 by Zdeněk Žabokrtský
Highlight Valency in PDT Trees
(show_valency 1.23)

PDT 2.0-specific mode derived from PML_T_View. It
highlights obligatory nodes according to assigned valency frames.
Size: 3.2 kB package / 17.4 kB installed
Copyright (c) 2008 by Petr Pajas
Sinica Treebank
(sinica 1.32)

This package contains
a conversion script for the Sinica Treebank 3.0 format to PML
and provides a stylesheets for visualization of the resulting PML in TrEd.
Size: 7 kB package / 36.6 kB installed
Copyright (c) 2009 by Petr Pajas
TectoMT base for TrEd applications
(tectomt 1.31)

Provides basic libraries for TectoMT-based applications for the TrEd environment.
Size: 6.1 MB package / 10.3 MB installed
Copyright (c) 2008 by Zdeněk Žabokrtský, Václav Klimeš
TIGER Corpus
(tiger 1.33)

This package contains
a conversion script for TIGER Corpus XML format to PML and back,
and a stylesheets for visualization of the resulting PML in TrEd.
Size: 35.5 kB package / 101.2 kB installed
Copyright (c) 2010 by Petr Pajas, Maud Medves
External Extensions
Bridging Anaphora and Textual Coreference Annotation
(bridging 1.95)

Provides an annotation mode for the annotation of the bridging anaphora and the extended textual coreference in PDT.
Size: 41.2 kB package / 132.2 kB installed
Copyright (c) 2013 by Jiří Mírovský, Petr Pajas, Mirek Týnovský, Zdeněk Žabokrtský
Copenhagen Dependency Treebank Annotation Mode
(cdt 1.0.0)

Mode for annotation of Copenhagen Dependency Treebank
and similar data developed at the Department of International Language
Studies and Computational Linguistics at the Copenhagen Business
School.
Size: 3.4 kB package / 21.5 kB installed
Copyright (c) 2012 by
Jan Štěpánek
Lexicon of Czech Discourse Connectives
(czedlex 1.64)

Provides support for CzeDLex, the Lexicon of Czech Discourse Connectives
Size: 31.2 kB package / 23.2 MB installed
Copyright (c) 2017-2019 by Jiří Mírovský
Discourse Annotation
(discourse 1.166)

Provides an annotation mode for the annotation of discourse relations in PDT
Size: 62.1 kB package / 164.7 kB installed
Copyright (c) 2025 by Jiří Mírovský, Petr Pajas, Mirek Týnovský, Zdeněk Žabokrtský
EasyTreex - browse and edit Treex files (*.treex, *.treex.gz, *.streex)
(easytreex 1.3.12584)

EasyTreex extension serves for viewing and/or annotating syntactic trees
created within the Treex framework. Unlike the original Treex extension, EasyTreex
can be easily installed via the TrEd extension management system. In fact, the original Treex extension
is distributed in the Treex-Core CPAN distribution, and EasyTreex is only a thin shell
which ensures that Treex-Core is installed.
Size: 80.2 kB package / 326 kB installed
Copyright (c) 2014 by Zdeněk Žabokrtský, Jan Štěpánek, Martin Popel
Non-Dependency Relations Annotation - common features
(nondeprel_common 1.98)

This is a supporting extension for other extensions for the annotation of non-dependency relations in PDT (bridging, discourse).
It does not provide any functionality on itself.
Size: 33.7 kB package / 130.7 kB installed
Copyright (c) 2016 by Jiří Mírovský, Petr Pajas, Zdeněk Žabokrtský
Prague Czech-English Dependency Treebank - Coreference Annotation
(pcedt-coref 1.23)

Provides additional support for annotation of
coreference in PCEDT or similar data (analytical and
tectogrammatical layer). WARNING: Only for annotators! Disables some
powerful functions of TrEd. You have been warned.
Size: 9 kB package / 37.2 kB installed
Copyright (c) 2023 by Jan Štěpánek, Jan Popelka
Penn Discourse Treebank 2
(pdtb2 1.32)

Provides a mode for opening Penn Discourse Treebank 2 files (imported into PTB and transformed to PML) in TrEd; in development!
Size: 132.5 kB package / 517.9 kB installed
Copyright (c) 2013-2016 by Jiří Mírovský, Jan Štěpánek
Penn Discourse Treebank 3
(pdtb3 1.4)

A mode for transforming the Penn Treebank to the PML and for merging the Penn Discourse Treebank 3 annotation into the PTB trees; conversion scripts are included; in development!
Size: 91.8 kB package / 517.9 kB installed
Copyright (c) 2020 by Jiří Mírovský, Jan Štěpánek, Ján Faryad
PDT-C Morphology Annotation
(pdt_c_m 1.33)

Support for morphological, analytical, and tectogrammatical
annotation of PDT-C files.
Size: 1.5 MB package / 23.4 MB installed
Copyright (c) 2017-2024 by Jan Štěpánek, Eduard Bejček
Display st-data in the tectogrammatical trees
(pdt_t_st 0.8)

Allows to open PML "*.st" files and display the multiword
expressions annotated therein as node groups in tectogrammatical trees.
Size: 14.9 kB package / 69.5 kB installed
Copyright (c) 2010 by Pavel Straňák
Play the Language
(playlang 1.13)

Provides a mode for viewing data from the project Play the Language
Size: 17.9 kB package / 33.4 kB installed
Copyright (c) 2008 by Jiří Mírovský, Petr Pajas
RST
(rst 1.10)

Provides a mode for opening RST files transformed to PML in TrEd; in development!
Size: 15.3 kB package / 46.6 kB installed
Copyright (c) 2016 by Jiří Mírovský
Swedish Treebank
(talbanken 1.00)

TrEd extension for Swedish Treebank.
Size: 45.2 kB package / 88.4 kB installed
Copyright (c) 2015 by Michal Sedlák
TMT files support.
(tmt 0.32)

Extension provides ability to open and display *.tmt files.
Size: 28.4 kB package / 105.5 kB installed
Copyright (c) 2009 by Zdeněk Žabokrtský, Jan Ptáček
TrEd Extension to Work with Universal Dependencies
(ud 0.27)

Makes it possible to view and edit UD files.
Size: 14.7 kB package / 74.1 kB installed
Copyright (c) 2018-2024 by Jan Štěpánek
Wall Street Journal PML Annotation
(wsj-anot 3.31)

Provides additional support for annotation of PCEDT
or similar data (analytical and tectogrammatical layer). WARNING:
Only for annotators! Disables some powerful functions of TrEd. You
have been warned.
Size: 2.4 MB package / 37.8 MB installed
Copyright (c) 2008-2024 by Jan Štěpánek, Jiří Mírovský
TrEd Extension to Work with Uniform Meaning Representation
(umr 0.09)

Makes it possible to view the UMR files.
Size: 9 kB package / 340.9 kB installed
Copyright (c) 2024 by Jan Štěpánek