Silver Sash Administrator is a free oracle dba tool for administration, development and monitoring software.
The detailed features: OS Compatibility--compatible with all versions of Windows; Oracle version compatibility--compatible with Oracle 11g,10g,9i; Full fledged database editor with built-in debugger; Complete database object manageability; Open multiple databases concurrently; Perform operations on multiple objects in a single screen.
Manage the following: Table , Index, View, User, Role, Synonym, Sequence, Cluster, Database link, Materialized View, Tablespace, Partitions, rollback segments, Procedure, Function, Package, Trigger, Schedules, Jobs. Monitor database performance metrics.
Includes Datapump Export and Import.
Requires Java Runtime Environment. Get It Here.