This is a joint portal of the ​Masaryk University's NLP Centre and ​Lexical Computing dedicated to a number of software tools for corpus processing including a well-known corpus manager ​Sketch Engine.

If you have any questions or suggestions, please subscribe to the ​NoSketch Engine Google group, where you can get involved in the discussion with the developers and other users.

JusText is a HTML boilerplate removal tool. It can strip navigation links, headers, footers, etc. from HTML pages and leave just regular text containing full sentences. Paper | Cite | Licence	Chared is a tool for detecting the character encoding of a text in a known language. It contains models for a wide range of languages. Paper | Cite | Licence
Spiderling is a web spider for linguistics. It can crawl text-rich parts of the web and collect a lot of data suitable for text corpora. Paper | Cite | Licence	Onion (ONe Instance ONly) is a de-duplicator for large collections of texts. It can measure the similarity of paragraphs or whole documents and drop duplicate ones based on the threshold you set. Paper | Cite | Licence
Unitok is a universal text tokeniser with specific settings for many languages. It can turn plain text into a sequence of newline-separated tokens (“vertical” format), while preserving XML-like tags containing metadata. Paper | Cite | Licence	NoSketch Engine is the open-sourced little brother of the corpus querying system Sketch Engine. Paper | Cite | Licence
wiki2corpus is a script which downloads Wikipedia articles (for a given language) and outputs them in the form of prevertical which can be further processed by other corpus tools. | Licence	Language Filter is a language discriminating tool. It works with the vertical format. The language of paragraphs and documents is determined according to pre-defined lists of words with corpus frequency. Paper | Cite | Licence