Introduction:
1. Power BI

Key Features:
- Interactive Dashboards: This feature of Power BI creates interactive and shareable dashboards.
- Real-time Data Access: It allows access to real-time data from different sources.
- Custom Visualizations: You can utilize custom visuals to make data more comprehensible with this advanced Power BI feature.
2. Databricks

Key Features:
- Unified Workspace: It combines data engineering, science and machine learning in one platform.
- Scalability: Databricks easily scale up and down based on your data processing requirements.
- Collaborative Notebooks: It shares and collaborates on notebooks in real-time.
3. SQL

Key Features:
- Querying Data: It effectively retrieves data from databases using simple and complicated queries.
- Data Manipulation: SQL is efficient to insert, update, delete, and merge data.
- Data Definition: It defines and manages database schemas.
4. Snowflake

Key Features:
- Flawless Data Sharing: It shares data securely with partners and customers.
- Scalability: Automatically it scales computer resources based on your data workload.
- Multi-Cloud Support: This feature of Snowflake allows to operate on AWS, Azure, and Google Cloud.
5. Amazon Web Services

Key Features:
- Wide Range of Services: It includes S3 for storage, Athena for querying data and Redshift for data warehousing.
- Security and Compliance: It has advanced security features and compliance with different regulations.
- Scalability: It effectively scales resources up or down according to the demand.
6. Talend

Key Features:
- ETL Processes: It supports efficient extraction, transformation and load of data.
- Data Quality: Talend makes sure to provide data accuracy and consistency with built-in data quality tools.
- Integration: It flawlessly integrates with different data sources and destinations.
7. Postgres (PostgreSQL)

Key Features:
- Advanced Data Types: This feature supports JSON, XML and custom data types.
- Extensibility: It is highly extensible with custom functions and plugins.
- Performance: This feature is helpful to optimize complicated queries and big datasets.
8. Matillion

Key Features:
- Cloud-Native: This feature is designed to work flawlessly with cloud data warehouses.
- User-Friendly Interface: Matillion has an intuitive interface for building and managing ETL/ELT processes.
- Scalability: It easily scales as per your big data volume and processing requirements.