Best Teller Alternatives & Competitors in 2025

Doppler is the multi-cloud SecretOps Platform developers and security teams trust to provide secrets management at enterprise scale.

Open Source freemium

1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.

paid Free Trial $36.0 / Annually

Monitor all your cloud services with our status page aggregator. IT teams choose IsDown to monitor all their vendors and get alerts whenever an outage occurs. Integration with Datadog, PagerDuty, Slack, Microsoft Teams, and a lot more.

Try for free paid Free Trial $37.0 / Monthly (Pro)

Sync .env files

Open Source freemium

Padlock is an open-source password manager that is available as an app for multiple platforms. It can be used on Android and iOS devices, and it can also be installed as a Chrome extension.

TeamPassword helps you manage and share access to the apps, services, and tools your team needs to keep projects moving.

Free Trial $5.0 / Monthly (per user)

The world’s most loved password manager is now on Linux

Secure, orchestrate, and manage infrastructure secrets

Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

Open Source

Tool for managing secrets

Open Source

Protect API keys and credentials. Keep configuration in sync everywhere.

Open Source

KeysForWeb helps digital businesses request credentials from clients securely and with 0 errors - secure forms and a validation bot have got your back on that.

Share confidential details the secure way

Simple Bank APIs to access real-time financial data