awesome-db-tools is a curated list of Postgres resources
I usually don't just write an article about content. However, while working on a series of articles about PG monitoring, I found this:
https://github.com/dhamaniasad/awesome-postgres (8.9K stars): A curated list of awesome PostgreSQL software, libraries, tools and resources.
https://github.com/mgramin/awesome-db-tools (3K stars): Here we will collect information about awesome useful and awesome experimental tools that simplify working with databases for DBA, DevOps, Developers and mere mortals.
and also http://shlomi-noach.github.io/awesome-mysql/