clickhouse command-line database foss mariadb mit-licensed mongodb mysql open-source postgresql schema snowflake sqlite sql-server

json schema standard validation

development json-ld schema standard structured-data

database open-source schema self-hosted web-app

database development devops golang migration open-source schema schema-as-code

api command-line development openapi open-source php rdf rest schema schema.org

command-line database mermaid schema sql

diagram drawing foss schema self-hosted web-app

database development documentation markup schema