CLB Search is a full-featured text search engine. Now CLB Search is a research project. CLB Search is freeware.

Download CLB Search

Main features:

• High-performance indexing core can quickly create and update index.
• Indexing support for different file formats: Simple text, HTML, XML, RTF, CHM, PDF, DJVU, MSWORD, FB2
• Can search all of the word forms using morphology dictionaries (russian and english)
• Ranking with TF-IDF, BM25.
• Query language supports logical operators
• Support for various encodings of documents (UNICODE, UTF8, CP1251, ASCII, KOI8). Automatic encoding detection.
• Indexing support for different archive formats: RAR, CAB, ZIP, 7Z, TAR, GZIP, ARJ.
• Can store a compressed text version of the documents for extracting and viewing
• Similar documents search.
• x86 and x64 editions available.
• API based on COM.

See also:

User guide (russian)

Experiments results (russian)