Onboardbase - Onboardbase enables teams to collaboratively work, store, manage and share secrets like environment variables, passwords, credit cards across your team effectively and securely.

Vault by HashiCorp - Tool for managing secrets

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

Dotenv - Sync .env files

VAULT - A password manager for freelancers, developers, agencies, IT departments and teams. VAULT safely stores account information and makes it easy to share between co-workers, other team members and clients.

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