jSNMP Enterprise provides application developers a cross-platform means of communicating with SNMP devices and services. It is written entirely in Java and is completely portable. jSNMP provides complete SNMPv1/v2c/v3 support including trap/inform handling and authentication and privacy password alteration. jSNMP has been optimized for minimizing network traffic and maximizing efficiency, allowing for a high degree of scalability. In addition, the package has been optimized for use with multiple simultaneous connections, allowing for a 3-tier model. To support a 3-tier model, jSNMP includes the tools necessary to create distributed network management applications using RMI and CORBA.

Type 3 JDBC driver which functions as a proxy for any other JDBC driver. DUALITY employs a reversed connection scheme, such that connections may be established through firewalls without requiring any openings for inbound connections. All features of the JDBC API are implemented, including streamed data types. Replace the JDBC driver in your application with the DUALITY Driver and install the DUALITY Server behind your firewall.

JET Net is a java networking API with support for HTTP including POST, GET, and cookies, NNTP, and SMTP.

JET Proxy is a JDBC proxy driver. It is commonly used to access windows only ODBC data sources (like MS Access) from Linux, Unix, and Mac clients.