# Prologue

- [WriteBackExtreme](/writebackextreme/prologue/writebackextreme.md)
- [Changelog](/writebackextreme/prologue/changelog.md)
- [Architecture](/writebackextreme/prologue/architecture.md)
- [Data handling and security in WriteBackExtreme (SaaS)](/writebackextreme/prologue/architecture/data-handling-and-security-in-writebackextreme-saas.md)
- [Supported databases](/writebackextreme/prologue/architecture/supported-databases.md)
- [NEW: InputTables](/writebackextreme/prologue/new-inputtables.md)