Open-source Library Rule Book

Opens-source Library : When to use What ?

• Chatbot - Apache Tensor
• Avoid DB Load: ehcache, Elastic Search
• Intelligence, running queries from large data, Long running queries: Snowflake
• Key value based storage: MongoDB, DynamoDB, Postrgresql
• Storing Josn based data: MongoDB, DynamoDB, Postrgresql
• Parallel work in pipeline,  splitting work by various actors : Akka
• Server side templating/html generation: Velocity, Thymeleaf
• Model based Front end/ pre-build library : Reactjs
• Download/upload file via SFTP : SSHJ library /ssh/sftp client
• XML marshalling: JAXB
• Big data alalytics marshalling: [Python + Spark API] as a parser/pre-processor + [Hadoop] for storage