The best replacement for sqlplus is sql developer.

The best alternatives to sqlplus are rated as following:
★★★★★  sql developer
★★★★  pl/sql
★★★★  srvctl
★★★  sqlldr
★★  sqlcmd

Your alternative for sqlplus is not listed? Suggest!
Speaking about sqlplus, one probably shouldn't forget about username and password.

Other search terms related to sqlplus and their ratings are:
★★★★★ username and password
★★★★ sql file
★★★★ instant client
★★★ oracle client
★ sysdba
script file
You have in mind a companion for sqlplus and it is not yet here? Propose!



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sqlplus
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pl/sql