Telophase – Open-Source AWS Control Tower
Hey HN – We’re Danny and Ethan from Telophase (https://telophase.dev). We’re building automation to isolate cloud environments by tenant or team. You can think of us as an Open-Source AWS Control Tower[1]. Our CLI is a drop-in tool to manage multi-account AWS setups. To start, we support AWS Account Factory and landing zones defined in AWS CDK. We plan to support multi-project GCP and multi-subscription Azure setups soon! Features: 1. Manage accounts in code. 2. Provision accounts and their infrastructure with a single command, `telophase deploy`. 3. Deploy to a subset of accounts…
In plain words
Telophase is an open-source CLI tool for managing multi-account AWS environments by tenant or team. Built as an alternative to AWS Control Tower, it lets users define accounts and infrastructure in code, provision complete setups with a single command, and deploy selectively using tags. The tool supports AWS Account Factory and CDK-defined landing zones, with plans for GCP and Azure support. It includes a terminal interface for monitoring concurrent deployments.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN – We’re Danny and Ethan from Telophase (https://telophase.dev). We’re building automation to isolate cloud environments by tenant or team. You can think of us as an Open-Source AWS Control Tower[1]. Our CLI is a drop-in tool to manage multi-account AWS setups. To start, we support AWS Account Factory and landing zones defined in AWS CDK. We plan to support multi-project GCP and multi-subscription Azure setups soon! Features: 1. Manage accounts in code. 2. Provision accounts and their infrastructure with a single command, `telophase deploy`. 3. Deploy to a subset of accounts using tags such as staging, prod-eu, prod-us, etc 4. Monitor concurrent CDK deploys with our TUI We decided to build Telophase after managing hundreds of accounts with Control Tower. We found it inflexible and required more integration work than we expected. Check out the readme for more: https://github.com/Santiago-Labs/telophasecli [1] https://aws.amazon.com/controltower/
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