"Vista" search is a simple REST protocol, accessed simply by HTTP GET operations, for performing keyword/term searches of the OpenGroupware Coils server. Client/Custom applications can implement Vista functionality with nothing more than the ability to parse JSON and perform HTTP requests.
Mail clients, or any application that sends mail via SMTP [or by proxy through an SMTP server] can submit content to the OpenGroupware Coils server if the SMTP Listener has been configured and is enabled. The SMTP Listener](SMTPListener) allows for invocation of workflow routes by sending mail, the automatic capturing of attachments to documents, etc...
These clients are specific to OpenGroupware Coils and utilize the server's RPC interfaces; either XML-RPC or JSON-RPC
[AttachFS] is a REST protocol that provides for basic operations to be performed easily using scripting languages or a variety command line tools such as wget and curl. Document entity applications specifically should consider using the [AttachFS] protocol.
This is a list of non-standard protocol clients it may be interesting to support when / if possible. These clients are, or will be, supported via application specific protocol bundles.
Wiki: CalDAV Tester
Wiki: WebDAV Sync