From DbMotive Tools:
OraSpy is a small utility that checks the availability of your Oracle databases. It features a tnsnames import tool and an integrated ping and tnsping tool. Anyone who is interested in monitoring the availability of their Oracle databases should consider using OraSpy. It is very easy to setup and you will be monitoring the availability of your databases in seconds.
What's new in this version:
Version 1.1 may include unspecified updates, enhancements, or bug fixes.