Full-text document search application. SeachInform combines phrasal search with the consideration of morphology and synonyms thesaurus with searching documents similar by content. The application is designed for fast search of information on PC at large data levels. Fast indexing (15-30 GB/h). Support of any text formats (txt, doc, rtf, pdf, htm, html) and various data sources. Indexing information systems fields (Access, MS SQL, Oracle, any DBMS supporting SQL). Searching documents similar by content is based on the SoftInform Search Technology and implemented by means of mathematical analysis of the document structure and the selection of similar words, word combination and text arrays. Searching documents similar by content involves the whole plurality of words used in the document with the consideration of all word forms and synonyms. The search can be pin-pointed with the help of 'important words' that the application will take into account in the first place and do an additional analysis of documents similarity. SearchInform gives you the ability to act while others are still searching.