Third Party Software for SpamAssassin

Web UIs for administration or per-user configuration: WebUserInterfaces
Commercial SpamAssassin products: CommercialProducts
Statistics and analyzers: StatsAndAnalyzers
Firewall/Passthroug like filter: OpenProtect, AssassinDeamon , [http://www.etc.msys.ch/software/smtp-vilter/index_html/view SMTP-vilter]
Central integration of sa-learn with IMAP shared folders: RemoteImapFolder

ThirdPartySoftware