- **MSASendEmail**: Helper class to send email via smtp server.
- **MSABaseExceptionHandler**: Central exception handler which sends formatted exception to logger
- **Filehandler utilities**: Classes for FileDelete, FileUpload async with chunking, Archive pack/unpack formats, helper functions
- **Find system fonts**: Find available system installed fonts or search in specific directory
- **mkdocs code reference helper**: Create virtual mkdocs navs for code reference and used libraries from requirements.txt
- **MSAHealthCheck**: Healthcheck class with internal own thread, which checks url for health
- **HTML Sanitizer**: Helper function to sanitize 'dirty html' for text processing
- **logger intercept handler**: allows to change handler from all logger and define specific output format with loguru
- **Models for files and health classes**: reusable pydantic models for file handling and dealing with healthcheck status
- **MSAProfilerMiddleware**: PyInstrument Profiler as Middleware to create a html for an admin Dashboard
- **MSAScheduler**: Scheduler class to define scheduled tasks in natural language `time of day between 10:00 and 16:00`
- **MSAAppSettings**: API oriented settings class with environment vars and `.env` file support
- **Service oriented System Info**: Classes and functions to get pydantic model response about system and gpu information
- **MSAToken**: API token handler classes and functions based on oauth2, jwt etc.