Description: SpeedCrunch is a lightweight, open-source desktop calculator. It has a simple, clean interface and supports standard calculator functions, variables, user-defined functions, type conversion, complex numbers, custom constants, and other advanced math features.
Type: software
Pricing: Open Source
Description: SQL Developer Data Modeler is a free graphical tool that helps developers design complex relational databases. It provides a visual interface to model entities and relationships, generate DDL scripts, and reverse-engineer from existing databases.
Type: software