Lookeen is ranked 1st in Desktop Search while Lucene is ranked 9th in Indexing and Search. Lookeen is rated 10.0, while Lucene is rated 8.0. The top reviewer of Lookeen writes "I can search my Microsoft Outlook emails and my desktop files at the same time". On the other hand, the top reviewer of Lucene writes "One of the best open source date indexing tools available, with support for various popular file formats like PDF, HTML, etc". Lookeen is most compared with X1 Search and Microsoft FAST, whereas Lucene is most compared with Microsoft FAST, OpenText IDOL and Sinequa.
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