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Manage ansible-vault passwords securely with Bitwarden CLI .
PurrCrypt 
Fur-ociously Secure, Paw-sitively Adorable!
The purr-fect way to keep your secrets fur-ever safe, straight from the meow-th of your computer to your fur-ends' paws!
A fur-ociously secure encryption tool that encodes your secrets as adorable cat and dog sounds, using real elliptic curve cryptography with a playful disguise.
External Secrets Operator reads information from a third-party service like AWS Secrets Manager and automatically injects the values as Kubernetes Secrets.
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Cross-platform secret & config manager for development and CI environments
Novops, the universal secret and configuration manager for development, applications and CI.
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One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser
ots is a one-time-secret sharing platform. The secret is encrypted with a symmetric 256bit AES encryption in the browser before being sent to the server. Afterwards an URL containing the ID of the secret and the password is generated. The password is never sent to the server so the server will never be able to decrypt the secrets it delivers with a reasonable effort. Also the secret is immediately deleted on the first read.
Secure password & seedphrase manager on smartcard 
Seedkeeper lets you effortlesly store all your passwords and protect your digital life so you can sleep on both ears.
Source: SeedKeeper - La carte à puce qui sécurise vos mots de passe @ Korben 
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Paste a password, confidential message, or private data.
Keep your sensitive information out of chat logs, emails, and more with encrypted secrets.
Hemmelig is a encrypted sharing platform that enables secure transmission of sensitive information. All encryption occurs client-side using TweetNaCl, ensuring your data remains encrypted before it reaches our servers. The platform supports both personal and organizational use cases, with features like IP restrictions, expiration controls, and optional password protection. Whether you're sharing credentials, sensitive messages, or confidential files, Hemmelig strives to ensure your data remains private and secure.
Secrets for developers.
Dotenv is a zero-dependency module that loads environment variables from a .env file into process.env. Storing configuration in the environment separate from code is based on The Twelve-Factor App methodology.
Telling tales on you for leaking secrets!.
Squealer scans a git repository or filesystem for secrets that are being leaked deep within the commit history.
Generate JWT Secrets Online
Quickly generate secure JWT secrets with a single click.
Using a pre-commit hook, Talisman validates the outgoing changeset for things that look suspicious — such as tokens, passwords, and private keys.
Talisman is a tool that scans git changesets to ensure that potential secrets or sensitive information do not leave the developer's workstation.
It validates the outgoing changeset for things that look suspicious - such as potential SSH keys, authorization tokens, private keys etc.
A Python program to scrape secrets from GitHub through usage of a large repository of dorks.
GitDorker is a tool that utilizes the GitHub Search API and an extensive list of GitHub dorks that I've compiled from various sources to provide an overview of sensitive information stored on github given a search query.
The Primary purpose of GitDorker is to provide the user with a clean and tailored attack surface to begin harvesting sensitive information on GitHub. GitDorker can be used with additional tools such as GitRob or Trufflehog on interesting repos or users discovered from GitDorker to produce best results.
A multi-vault secret injection tool for safely injecting secrets into app environment.
Whispr (Pronounced as whisper) is a CLI tool to safely inject secrets from your favorite secret vault (Ex: AWS Secrets Manager, Azure Key Vault etc.) into your app's environment. This is very useful for enabling secure local software development.
Flask-Vault is a robust library that empowers Flask applications to securely store and manage sensitive credentials. It provides a set of CLI commands for storing secrets using AES-GCM symmetric encryption, ensuring that vital information like API keys and database credentials remain protected.
Flask-Vault provides several cli commands and Python functions to store secrets that you do not want to keep in the clear, using symmetric encryption with AES-GCM. These commands and functions allow you to safely read/write very important credentials such as API keys, database credentials, etc.
An enterprise friendly way of detecting and preventing secrets in code.
detect-secrets is an aptly named module for (surprise, surprise) detecting secrets within a code base.
Git Security Scanning & Secrets Detection.
Centralized Cloud-Based Secrets Management Platform.
Securely manage, orchestrate, and govern secrets at scale with Doppler’s developer-first cloud hosted platform.
Open Source Secret Management. All-in-one platform to securely manage application configuration and secrets across your team and infrastructure.
♾ Infisical is the open-source secret management platform: Sync secrets across your team/infrastructure, prevent secret leaks, and manage internal PKI.
Tang binding daemon.
Tang is a server for binding data to network presence.
This sounds fancy, but the concept is simple. You have some data, but you only want it to be available when the system containing the data is on a certain, usually secure, network. This is where Tang comes in.
Gitleaks is a fast, light-weight, portable, and open-source secret scanner for git repositories, files, and directories.