+If you've been looking for a fast, global-search and tag-based email
+system to use within your text editor or in a terminal...
+
+If you're the kind of person that gets excited about being able to
+write shell scripts for exploring and manipulating your email...
+
+If you're a developer of an existing email program and would love a
+good library interface for fast, global search with support for
+arbitrary tags...
+
+If you want the convenience of fast, reliable search of all your
+email, but don't want to give a 3rd-party access to your email...
+
+Then notmuch may be exactly what you've been looking for.