If you want to install Oracle SQL Developer on your Windows computer for free, check if you meet the requirements and then go through the instructions mentioned here.

Oracle SQL Developer Web is a web interface for working with Oracle Autonomous Database, letting developers run queries, create tables, and generate schema diagrams.

If the Oracle SQL Developer crashing on startup on your computer, you can follow the solutions mentioned in this post to resolve the issue.

How It Works REST Endpoints backed by ORDS Database User Authentication via REST Enabled Schemas SQL Developer Web is an ORDS Plugin: HTML, JavaScript, & ...

As for the developer tools, Oracle said its Oracle Application Express (APEX), SQL Developer Web and Oracle REST Data Services are available for faster deployments for applications.