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Teller

Free#41 of 44 in Secrets Management ToolsAtari Emulators

Teller: A focused CLI for injecting, scanning, masking, and synchronizing secrets. Ranked #41 of 44 in Secrets Management Tools by our editors (6.0/10); pricing: Open source; best for local secret injection and scanning.

6.0/10Editor score

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At a glance

Editor score
6.0 / 10
Pricing
Open source
Best for
Local secret injection and scanning
Paid from
Free
Facts checked
22 Sep 2026

Where it wins
- Injects selected secrets into shells, subprocesses, and templates
- Scans code and binaries, including CI linting workflows
- Connects with vaults, cloud secret services, Helm, and Kubernetes
Where it doesn't
- It is an operational tool rather than a full vault
- No verified secret rotation capability
- No verified audit logging capability

Our verdict on Teller

Teller is an open-source command-line secrets manager for developers working across development, testing, and production environments. It loads selected values from configured providers into application environments, runs subprocesses with secrets supplied as environment variables, populates local shells, and exports values as YAML or JSON. Its self-hosted distribution is available across Windows, macOS, and Linux, making it suited to local workflows that need a command-line layer over existing secret stores.

Provider and platform coverage is a central part of Teller’s role. It integrates with HashiCorp Vault, AWS Secrets Manager, Google Secret Manager, HashiCorp Consul, AWS Systems Manager Parameter Store, and dotenv. Helm and Kubernetes integrations extend the workflow into deployment configuration, while the official Helm plugin can inject configuration and secrets into charts and mask values during deployment. Teller also supports provider-to-provider copying or synchronization, Tera templates, and write or delete operations where supported. These capabilities make it a practical fit when environments already rely on external vaults or cloud services.

Its strongest focus is operational handling rather than centralized vault administration. Teller can display masked values, redact secrets from process output, logs, and files, and scan code and binary files as well as run scanning as a CI linter. However, it is not a full vault and does not provide verified secret rotation or audit logging. Choose Teller when local injection, scanning, redaction, and Kubernetes-related workflows are the priority. Choose a broader vault-focused product when rotation and audit capabilities are required as core controls.

Your product? Our editors can test Teller in depth and publish a review, labelled as paid · from $149/mo →

Teller pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on github.com

Teller fact sheet

Free plan	Not verified
Paid from	Free
Secret rotation	Not verified
Dynamic secrets	Not verified
CI/CD injection	Yes
Kubernetes integration	Yes
Deployment model	Self_hosted
Audit logs	Not verified
Free secret limit	Not verified
Deployment	Self-hosted
Platforms	Windows, macOS, Linux
Support	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations	6 integrations: HashiCorp Vault, AWS Secrets Manager, Google Secret Manager, HashiCorp Consul, AWS Systems Manager Parameter Store, dotenv
Pricing	Open source
Website	github.com
Facts checked	22 Sep 2026

Teller integrations

Teller lists 6 integrations on its own site.

HashiCorp Vault
AWS Secrets Manager
Google Secret Manager
HashiCorp Consul
AWS Systems Manager Parameter Store
dotenv

Alternatives to Teller

See all Teller alternatives →

Also Ranked In

Teller is ranked in 2 of our directories.

#25Atari Emulators25 tools ranked

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Featured on iTechGuides

Teller is listed in our Secrets Management Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update