Rel is a database management system (DBMS) that implements Tutorial D.
Rel is a DBMS primarily intended for educational purposes, but also suitable as a desktop DBMS or lightweight server, that implements Date and Darwen's "Tutorial D" true relational database language.
Source code is available at https://github.com/DaveVoorhis/Rel
Various TCP/IP servers, clients and network management tools
...GUI tools include a network monitoring tool PMON, a SNMP and IP scanner.
The project aim is to make them as light weight tools that can be directly executed in commandprompt without the need of installation. (Except pmon and UBridge to bridge PC's NIC which require Winpcap).
The whole package can be put into USB flash and 伴侶highly portable.