solargrapher is a minimalistic implementation of the ComLynx protocol, spoken by solar inverters made by Danfoss, IBC Solar et al.
It logs whatever data you deem interesting in rrd file and has a minimal example on how to produce graphs for a cgi-enables webserver from that.
Webtunnel is an HTTP tunnel with some unique features: it runs in the context of a web server; it uses simple requests/responses for proxy traversal; and it is multi-threaded to allow many parallel connections to many destinations simultaneously.
WEB interface for the design, process and monitor inter-application data flows.
It’s a message queue EAI. Written in Perl,
Tested systems : Linux and HP-UX, WinXP is planned
Supported Connectors : RDBMS, , LDAP, EDI, CSV, XML, HTML etc ...