Tools[]
bgitools http://tlwiki.org/index.php?title=Tools#BGI.2FEthornell
BGI Tools - toolkit for ripping resources from Ethornell's Buriko General Interpreter. Used in English version of Higurashi no Naku Koro Ni
AE - VN Tools http://wks.arai-kibou.ru/ae.php?p=dl
General purpose extractor/decoder and recompressor/encoder for various archive and image formats. Supports both original Japanese Higurashi (nScripter) and English edition (BGI). Constantly updates.
Crass http://tlwiki.org/images/8/8a/Crass-0.4.14.0.bin.7z
Discontinued general purpose ripper. Able to extract from tons of engines, including nScripter and BGI.
ExtractData http://www.tlwiki.org/tlwiki/images/6/64/ExtractDataEng.zip
Discontinued due to C&D letter from minori. General purpose ripper. Able to extract nScripter and BGI-based VNs as well.