I've been using various contact managers but they all feel like sales tools, so I built Nametag to track the people I actually care about - friends, family, colleagues. It maps relationships, tracks birthdays, and visualizes your network as an interactive graph.

Self-hosting highlights:

• Docker Compose setup - PostgreSQL, Redis, Next.js app. One command to start
• No email service needed - Accounts auto-verify, works completely offline
• Unlimited contacts - No artificial limits (hosted version caps free tier at 50)
• Complete data ownership - Your relationship data stays on your infrastructure
• Optional email - Can configure Resend if you want birthday/reminder emails
• No phone-home - Runs entirely on your network if you want
• AGPL-3.0 licensed - Full source access

Features:

• Track people with flexible attributes (name, birthday, contact info, notes)
• Map relationships between people (family, friends, colleagues, custom types)
• Interactive D3.js network graph visualization
• Custom groups for organizing contacts
• Birthday reminders (if you configure email)
• Dark mode, i18n (English and Spanish for now, but more are coming)
• Mobile-responsive

Tech stack:

• Next.js 16 (TypeScript)
• PostgreSQL + Prisma ORM
• Redis for rate limiting
• D3.js for graph visualization
• Tailwind CSS

Quick start:

git clone https://github.com/mattogodoy/nametag
cd nametag
# Edit .env with your secrets
docker-compose up -d

Database migrations run automatically on first start.

Access at localhost:3000.

There's also a hosted version at https://nametag.one/ if you don't want to self-host (helps fund development).

GitHub: https://github.com/mattogodoy/nametag

Happy to answer questions about the setup, architecture, or deployment!

I just open sourced my personal project for tracking relationships. It's like a CRM but for people you actually care about, not sales leads.

The problem: We all have hundreds of contacts scattered everywhere, but can we remember when we last talked to an old friend? Their birthday? How we met them?

The solution: Nametag helps you track people, map how they're connected, and visualize your network as an interactive graph.

Features:

• Track people with flexible attributes (birthdays, contact info, notes)
• Map relationships (family, friends, colleagues, custom types)
• Network graph visualization showing how everyone connects
• Custom groups for organizing contacts
• Birthday and contact reminders
• Dark mode, internationalization (EN/ES)
• Mobile-responsive

Tech stack:

• Next.js 16 with TypeScript
• PostgreSQL + Prisma ORM
• D3.js for graph visualization
• Redis for rate limiting
• Tailwind CSS
• Docker Compose deployment

Why AGPL-3.0?

I chose AGPL instead of MIT/Apache because I want to ensure that if someone modifies and deploys Nametag (especially as a hosted service), they have to contribute their improvements back to the community. Personal relationship data is sensitive - users should always have the right to inspect and modify the code handling their data.

Dual model:

• Hosted SaaS: https://nametag.one/ (free tier: 50 people, paid from $1/month) - sustains development
• Self-hosted: Unlimited contacts, complete data ownership, free forever

The SaaS helps fund development, but self-hosting is a first-class citizen with no compromises. Auto-verified accounts, no email service required, works completely offline.

Contributing:

Looking for contributors! Areas where help would be awesome:

• Additional language translations (currently EN/ES)
• Graph visualization improvements (performance with 500+ nodes)
• Mobile app (Native would be great, but also open to React Native or similar)
• Export/import formats (vCard, CSV, etc.)
• Documentation improvements

GitHub: https://github.com/mattogodoy/nametag

I'd be happy to hear any suggestions you might have. Have a nice day!

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