22112979_e_WARC_Ecosystem___Archiveteam__has_documentation
[name] Heritrix [license] Apache v2.0 [programming language] java [test suite] Has a test suite [# of authors] many authors [description] Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project. [has documentation] 
javadoc, website
The WARC Ecosystem - Archiveteam
has documentation