ZURL

server_cert.pem: https://github.com/grpc/grpc-go/tree/master/examples/data/x509/server_cert.pem

server_key.pem: https://github.com/grpc/grpc-go/tree/master/examples/data/x509/server_key.pem

ca_cert.pem: https://github.com/grpc/grpc-go/tree/master/examples/data/x509/ca_cert.pem

 

Convert image format: https://pixelied.com/convert

 

Python Regular Expression Editor: https://pythex.org

 

Tool to get a free Postgres database + run some quries: https://pg-sql.com

 

SQL Schema Designer: https://dbdiagram.io

 

SPARQL Validator: http://sparql.org