UI / UX

XD by Adobe
https://www.adobe.com/es/products/xd.html

Inkscape by Community

https://inkscape.org

Mobile

Dart by Google
https://www.dartlang.org

Flutter by Google
https://flutter.dev

Microservices

Deno by Community
https://deno.land

TypeScript by Microsoft
https://www.typescriptlang.org

TypeGraphQL by Michał Lytek
https://typegraphql.ml

GraphQL by Facebook
https://graphql.org

PostgreSQL by Global Development Group
https://www.postgresql.org

TypeORM by Community
https://typeorm.io/

Web

Fabric UI by Microsoft

https://developer.microsoft.com/fabric

React by Facebook
https://reactjs.org