CyberVault: A Fully Local, Open-Source Password Manager Built with C#

🔐 Introducing CyberVault – A C# Password Manager for Full Local Control

Hi everyone,

Me and my friend CyberHansen recently built CyberVault, a lightweight password manager written in C#. It’s designed for those of us who want complete control over our password data — no accounts, no cloud sync, no servers.

💡 Why I Built It

I couldn’t find a simple, open-source password manager that:

• Didn’t require cloud accounts
• Could run as a self-contained Windows app
• Was open to community contributions

So I built my own.

🔧 Key Features

• 🖥️ Fully Local – stores your data on your device only
• 🔐 Encrypted Vault – strong cryptographic security
• 🚀 Standalone GUI – just run the EXE, no server or installer
• 🧩 Early Chrome Extension – optional autofill support
• 🧑‍💻 Open Source – available on GitHub

👉 GitHub Repo

🧠 I’d Love Feedback On:

• Security model / cryptography approach
• UX suggestions
• Chrome extension features you'd like
• Any bugs or issues you run into

⭐ If you find this project useful, don’t forget to star the repo and share it!

Thanks for checking it out — happy to chat if anyone wants to collaborate!

– CyberNilsen, CyberHansen