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LanguageTool is an Open Source proofreading tool. This website lists LanguageTool's error detection rules and applies them to Wikipedia content for demonstration and testing purposes.
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LanguageTool uses rules to detect errors. Each rule represents a potential error in the text to check. Have a look at all rules of all languages here.
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Check Rules' Results
We use LanguageTool on Wikipedia data to test which rules work well and which need more work. If there's a real error you're encouraged to fix it in Wikipedia, but note that the check may not be up-to-date and the error may have been fixed already.
Random selection of LanguageTool results when run on Wikipedia:
uno : [Visit Rule]
... Eventi, invenzioni e scoperte 1.1. Nel mondo 1.1.1. 1820 1.1.2. 1821 La Grecia diventa una monar...
Login to vote · Visit Wikipediaotto : [Visit Rule]
...lista Unificato, l'esperienza durò due anni. 1.2.8. 1967 Scoppia lo scandalo SIFAR; il settimanale ...
Login to vote · Visit Wikipedia- Si suggerisce di frammentare questa frase perché risulta troppo lunga.:
[Visit Rule]
...no le inondazioni del 1882, del 1966 e del 1981. Nel settembre 1882 il fiume ruppe gli argini in 9 punti a Bolzano e San Michele all'Adige, e inondò la parte nord della città di Trento; la piena provocò anche una alluvione a Verona e una alluvion
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