If you're looking for a tool with a UI and in which you can also easily extend the functionality with your own, custom data connectors, you might also want take a look at Conduit which is another open-source tool we've developed to make building and running real-time data infrastructure more straightforward and less time consuming. Source: almost 2 years ago

Scalr.com - Scalr is a Terraform Automation and COllaboration (TACO) product used to better collaboration and automation on infrastructure and configurations managed by Terraform. Full Terraform CLI support, OPA integration, and a hierarchical configuration model. No SSO tax. All features are included. Use up to 50 runs/month for free. - Source: dev.to / 4 months ago

Scalr is a tool that was created to give the Terraform community an affordable alternative to Terraform Cloud/Enterprise. Scalr is the only product in the space that has a hierarchical model to allow for object inheritance/sharing from a top-down perspective, cross-environment/workspace visibility, and custom RBAC to accommodate any complex org standards. Scalr can operate in a centralized or decentralized way... Source: over 2 years ago

Scalr.com - Remote state & operations backend for Terraform with full CLI support, integration with OPA and a hierarchical configuration model. Free up to 5 users. - Source: dev.to / almost 3 years ago

Actually, the "TACoS" term was coined by Sebastian, CTO of Scalr. Source: about 3 years ago