Best Open Source Alternatives to HashiCorp Vault in 2026

After HashiCorp switched Vault from MPL to BSL (Business Source License) in 2023, the open source community forked and built alternatives. If you need secrets management without BSL restrictions, here's what to use.

TL;DR

OpenBao is the direct Vault fork — same API, same features, truly open source (MPL-2.0). Infisical is the modern alternative — better DX, built for cloud-native teams. SOPS is the lightweight option for encrypting secrets in Git.

Key Takeaways

• OpenBao is the community fork of Vault — API-compatible, MPL-2.0 licensed, Linux Foundation backed
• Infisical is purpose-built for application secrets — beautiful dashboard, native integrations, rotation
• SOPS is file-based encryption — no server needed, integrates with AWS KMS, GCP KMS, and age
• The Vault BSL change means you can't use Vault in a competing product — OpenBao removes this restriction

The Comparison

Feature	Vault (BSL)	OpenBao	Infisical	SOPS
Price	Free (BSL)	Free (MPL)	Free (OSS)	Free (MPL)
License	BSL 1.1	MPL-2.0	MIT	MPL-2.0
Dynamic secrets	✅	✅	✅	❌
Secret rotation	✅	✅	✅	❌
PKI/certs	✅	✅	❌	❌
Transit encryption	✅	✅	❌	❌
Web UI	✅	✅	✅ (best)	❌
API	✅	✅ (compatible)	✅	CLI
K8s integration	✅	✅	✅	✅
CI/CD integration	✅	✅	✅ (best)	✅
Audit logging	✅	✅	✅	Git history
HA/clustering	✅	✅	✅	N/A
Setup complexity	High	High	Low	Minimal

1. OpenBao

The Vault fork — same API, truly open source.

• GitHub: 3K+ stars
• Stack: Go
• License: MPL-2.0
• Backed by: Linux Foundation

OpenBao is a community fork of HashiCorp Vault, maintained under the Linux Foundation. It's API-compatible with Vault — existing tools, configurations, and workflows transfer directly.

What you get: Everything Vault has — secret engines (KV, databases, PKI, transit), auth methods (tokens, LDAP, OIDC, Kubernetes), audit logging, HA with Raft storage, and the full policy system.

Best for: Organizations currently using Vault who want to stay on a truly open source license, or anyone building infrastructure that would conflict with BSL.

2. Infisical

Modern secrets management for developers.

• GitHub: 17K+ stars
• Stack: TypeScript, Node.js, PostgreSQL
• License: MIT
• Deploy: Docker, Kubernetes, cloud

Infisical is built for how developers actually manage secrets today. It has a beautiful dashboard, CLI for local development, native integrations with every CI/CD platform, and automatic secret rotation.

Standout features:

• Beautiful web dashboard for managing secrets
• CLI for local development (infisical run -- npm start)
• Native integrations: GitHub Actions, GitLab CI, Vercel, Netlify, AWS, GCP, Azure
• Secret versioning and rollback
• Secret rotation (database credentials, API keys)
• Access controls with approval workflows
• Audit logs
• Secret scanning to prevent leaks
• Environment-based secret management (dev, staging, prod)
• SDKs for Node.js, Python, Java, Go, Ruby

Usage

# CLI — inject secrets into your dev environment
infisical init                    # Connect to project
infisical run -- npm run dev      # Run with secrets injected

# Or use the SDK
import { InfisicalClient } from '@infisical/sdk';

const client = new InfisicalClient({ token: process.env.INFISICAL_TOKEN });
const secret = await client.getSecret({
  environment: 'production',
  projectId: 'your-project-id',
  path: '/',
  secretName: 'DATABASE_URL',
});

Best for: Development teams, cloud-native applications, CI/CD pipelines, teams wanting better DX than Vault.

3. SOPS (Secrets OPerationS)

Encrypt secrets in your Git repo.

• GitHub: 17K+ stars
• Stack: Go
• License: MPL-2.0
• Deploy: CLI (no server)

SOPS takes a different approach — it encrypts secret files (YAML, JSON, ENV, INI) so you can store them in Git. Only the values are encrypted; keys remain readable for easy diffing. Supports AWS KMS, GCP KMS, Azure Key Vault, age, and PGP.

# Encrypt a file
sops --encrypt --age age1... secrets.yaml > secrets.enc.yaml

# Decrypt and use
sops --decrypt secrets.enc.yaml

# Edit encrypted file in place
sops secrets.enc.yaml

Best for: Small teams, GitOps workflows, projects that want secrets versioned alongside code, teams without infrastructure for a secrets server.

Decision Guide

Choose OpenBao if:

• You're already using Vault and want a license-compatible fork
• You need dynamic secrets, PKI, or transit encryption
• Vault API compatibility is required
• Enterprise features (HA, audit) are necessary

Choose Infisical if:

• Developer experience is the top priority
• You want a modern web dashboard
• CI/CD integration is the primary use case
• Your team doesn't have deep Vault expertise

Choose SOPS if:

• You want the simplest possible approach
• You don't want to run a secrets server
• GitOps is your workflow
• Small team with few secrets to manage

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Compare open source secrets management tools on OSSAlt — features, security certifications, and deployment options side by side.