Keybase Satelite Services

Server/persistent JSON-RPC interface
- Unix Domain sockets
- Named pipes on Windows
- And localhost loopback with some credentials
Command-line
- pty when possible, stdin when not
- prompting in general
- calls out to pinentry
- streams for stdin/stdout (data)
- environment variables
- command-line args
- stderr for error display
- stdout or some sort of status updates
configuration and state
- config.json (or something like it)
- session.json (or something like it)
- depends on Command-line flags and environemnt
local DB
- put/get/lookup/remove/unlink
request / HTTPs/HTTP client
- proxy support
- CA support
- Tor
keychain access
- either via GPG or direct
- put/get/search functionality needed
- trustdb manipulations? maybe
- maybe shared with GPG or maybe distinct
checker proofs
- HTML-parsing service
- DOM-awareness for chosen sites
- DNS resolver
software update?
- actually replace all of the above with newer versions;
- maybe this is best left for a different version

Everything else is in the core. The core will have access to these optional objects and potentially pass them to one another as they require it.