Backstage is an open platform for building developer portals. Powered by a centralized software catalog, Backstage restores order to your microservices and infrastructure and enables your product teams to ship high-quality code quickly — without compromising autonomy.

Backstage unifies all your infrastructure tooling, services, and documentation to create a streamlined development environment from end to end.

gopass is a simple but powerful CLI password manager for your terminal with teams in mind.

Basecamp is a web-based project management tool. Its primary features are to-do lists, milestone management, forum-like messaging, file sharing, and time tracking.

Passbolt is a free and open source password manager that allows team members to store and share credentials securely. Passbolt is free, open source and respectful of your privacy. It is also extensible thanks to its restful API. It's based on OpenPGP and has a Firefox extension.

Easy and secure password and credentials sharing across teams.

Mattermost is a self-hosted solution for bringing all your team communication to one place, and making it searchable and accessible anywhere

I've come up with my own, highly irresponsible, sloppy test to rate the quality of a software team : 12 Steps to Better Code.