mlmmj-archiver generates HTML archives from mlmmj mailing list archives

Features:
-  Generates per-mail HTML pages with threading (references/replies)
-  Monthly indexes by date, author, and threaded subject
-  Mbox export support
-  Mustache-style templates (ucltpl) for full layout customization
-  SQLite database cache for incremental archive updates
-  Capsicum sandboxing on FreeBSD
