4 Open Source Alternatives to Doppler

A list of 4 carefully selected open-source alternatives to Doppler.

Adrian
Created by
Adrian
Mar 9, 2025Updated5 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of Doppler open-source alternatives — each with its own distinctive strengths and key features.

#1
Infisical logo

Infisical

17,007
1,118

Infisical is an open-source secret management platform that centrally manages and automates the handling of application secrets, certificates, SSH keys, and configurations. It protects and syncs sensitive data across teams and infrastructures while preventing leaks through dynamic secret rotation and granular access controls.

Infisical screenshot

Key Features

  • Centralized secrets management and synchronization
  • Dynamic secret generation and rotation
  • Internal PKI management for X.509 certificates
  • Ephemeral SSH credential issuance
  • Integrated key management system (KMS)
  • Robust audit logs and access control
  • AI-powered security advisor to detect vulnerabilities
  • Wide range of integrations with DevOps tools

Infisical streamlines secret management across cloud and on-prem environments by offering dynamic secrets, internal PKI management, SSH credential issuance, and key management systems. The platform features robust audit logs, approval workflows, temporary access options, and an AI-powered security advisor, ensuring rigorous security and compliance. It integrates with popular tools like GitHub, Kubernetes, AWS, and Terraform to support seamless DevOps workflows and secure infrastructure across the board.

#2
Bitwarden logo

Bitwarden

16,194
1,366

Bitwarden provides a robust, open source password management system designed for secure storage, seamless sharing, and advanced authentication across various platforms. It leverages modern backend infrastructure—including APIs, databases, and containerized (Docker) deployments—to empower both individual and enterprise users.

Bitwarden screenshot

Key Features

  • Open source transparency with published code and regular third-party audits
  • Zero-knowledge encryption ensuring only users can access their data
  • Robust API integration and self-host/deployment options via Docker
  • Cross-platform accessibility for mobile, desktop, and browser apps
  • Comprehensive compliance with GDPR, SOC 2, HIPAA, and more
  • Scalable pricing plans to suit individuals, teams, and large enterprises

Bitwarden delivers an end-to-end encrypted solution for managing sensitive credentials, enabling users to store, share, and autofill passwords securely. Its API-driven backend and self-hosted options, including Docker support, make it ideal for developers and enterprises requiring a trusted, scalable security solution. With comprehensive security audits, zero-knowledge encryption, and extensive cross-platform support, Bitwarden ensures that digital identities remain safe.

#3
Phase logo

Phase

578
32

Phase is an open source platform for managing application secrets and configuration management, built specifically for developers. It streamlines securing and deploying secrets from development through production, ensuring that sensitive data is handled with robust security measures.

Phase screenshot

Key Features

  • CLI-based secret management for a seamless developer experience
  • Runtime secret injection with environment variable support
  • Centralized secret deployment and synchronization pipelines
  • Robust security features including end-to-end encryption, audit logs, and RBAC
  • Native integrations with popular platforms and APIs
  • Flexible deployment options with both cloud-hosted and self-hosted setups

Phase enables engineering teams to create, list, and manage secrets directly from the terminal while seamlessly injecting them into applications, containers, or runtimes as environment variables. The platform supports any language or framework without requiring code changes and provides centralized secret deployment pipelines, native integrations, and comprehensive security controls such as audit logs, role-based access control, and IP allowlisting.

HashiCorp Vault is a comprehensive tool designed for secrets management, encryption as a service, and privileged access management. It safeguards sensitive data by centralizing and automating credential issuance and rotation, ensuring secure access across applications and infrastructure.

HashiCorp Vault screenshot

Key Features

  • Centralized secrets storage and access control
  • Dynamic secrets generation for time-limited credentials
  • Integration with multiple identity providers (Active Directory, LDAP, Kubernetes)
  • Automated PKI infrastructure and database credential rotation
  • API-driven data encryption and tokenization

HashiCorp Vault controls access to secrets and encryption keys by integrating with trusted identity sources such as Active Directory, LDAP, and Kubernetes. Its dynamic secrets feature generates unique credentials on demand, reducing the risk of long-term exposure. Vault also offers automated PKI, database credential rotation, and API-driven encryption, making it ideal for securing applications and systems in diverse environments.

Price comparison of Doppler open-source alternatives

ToolTier 1Tier 2Tier 3Details
Bitwarden logo
Bitwarden
$0
Free
$4
Teams
$6
Enterprise
Learn more
Phase logo
Phase
$0
Free
$2
Pro
$5
Enterprise
Learn more
HashiCorp Vault logo
HashiCorp Vault
$0
Community
-
Cloud
-
Enterprise
Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About Doppler

Doppler is a brand that specializes in building a developer-first secrets platform. They understand the importance of managing environment variables easily, securely, and affordably. Doppler believes that the right product not only enhances security but also empowers teams to be more productive. The founders, Brian Vallelunga and Thomas Piccirello, started Doppler with a mission to redefine SecretOps, starting with developers. They recognized the potential consequences of improperly managed secrets and the challenges of avoiding, remediating, or rolling back mistakes. Doppler now serves start-ups and enterprises across various industries, providing security and SecretOps solutions. With over 6.5 billion secrets fetched monthly and storing over 1.2 million secrets, Doppler aims to create a platform that teams will love. The brand's values include building for developers, owning your impact, not settling, and promoting a collaborative and respectful work environment. Doppler is also committed to environmental sustainability, donating 1% of subscriptions to removing CO2 from the atmosphere. Join Doppler on their mission to simplify secrets management and make a positive impact in the development community.
This comparison data was compiled with AI assistance.
Doppler logo

Doppler

Doppler redefines how engineering teams handle secrets management. Experience enhanced security, agility, and automation with our cloud platform. Start your free trial.

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Location

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