Apache Lucy 是一个全文搜索引擎库，使用 C 语言编写，主要面向一些动态语言，目前提供 Perl 语言的绑定。相当于是 C 语言版的 Lucene 。
Apache Lucy 0.4.0 发布，此版本现已提供下载。
Bug 修复：
* [LUCY-199] - Highlighting/excerpt on URLs
* [LUCY-211] - MSVC 6 support
* [LUCY-234] - Brittle object struct ABI
* [LUCY-240] - Build Broken on clang
* [LUCY-254] - Creation of Charmonizer temp files sometimes fails on
Windows
* [LUCY-261] - Include paths for benchmark scripts
* [LUCY-263] - MemoryPool's Release_All() should free
* [LUCY-265] - Index lockfiles left behind
新特性：
* [LUCY-250] - 添加了 delete_by_doc_id to Lucy::Index::Indexer
任务：
* [LUCY-201] - Port CFC tests to C
* [LUCY-212] - The "language" parameter to PolyAnalyzer#new is deprecated
* [LUCY-214] - Port terminfo tests to C
* [LUCY-222] - Port span tests to C
* [LUCY-246] - Migrate Apache Lucy to Git
* [LUCY-257] - Separate Clownfish from Lucy
下载地址：http://lucy.apache.org/download.html
来自:开源中国社区
