Recently, the "Vibe Coding" movement (programming by chatting with AI) has been very popular, and I just finished "vibing" a extremely practical Web application (SaaS) for offline meetups, workshops, or group meetings.

Its name is CircleLink (Expanding Connection Circle). The app is designed to solve a classic pain point at events: Going to socialize but scanning each QR code to get Facebook, LinkedIn, or Telegram is too time-consuming; when you get home, you forget who is who, what they do, and whether they can help you.

Below, I would like to introduce the app with its main features, and it's also the first time I’m publicly sharing the project on GitHub as well as in the group; I hope everyone who uses it will provide feedback for further development! 

 I'll leave the link in the comments

 MAIN FEATURES OF CIRCLELINK

CircleLink is optimized for a mobile interface (Mobile-first) with a modern Dark Mode design (sleek Obsidian/Cocoa style) and has the following core features:

1. Super Fast Event Creation (For Hosts)

• Convenient login via Google OAuth.
• Create an event in just 10 seconds (enter Name, Description, configure Zoom/Meet link if it's Online/Hybrid, and automatically generate a shortened slug link).

• Live Board Presentation Screen (Project to Projector/TV)

• Display a huge QR Code for guests to scan on the spot.
• The check-in list of participants displays Real-time. Whenever someone checks in, the screen will automatically slide to welcome them with a stunning confetti effect.

• Convenient Check-in Portal (For Guests)

• Guests just need to scan the QR code, no app download required, complete their profile right in the mobile browser.
• Allows selection of super cool avatar presets (Astronaut, Ninja, Agent, Robot...) with standout gradient color schemes.
• Fill out detailed Profile: Full name, Role, short Bio, along with conversation starter questions (Icebreakers): What am I seeking? & How can I help?.
• Set up Privacy smartly: Allows hiding/showing at will for Phone number, Email, Telegram, Facebook, LinkedIn, Instagram.

• Event Connection Directory

• Guests after checking in will be redirected straight to the event's common directory.
• Easy to search and filter members by role (such as Developer, Designer, Marketer, Founder...).
• Like (Heart/Bookmark) to save friends of interest for deeper connection.

• Export Directory to Phone (vCard Single & Bulk Export)

• Single vCard Export: Download a person's information as a .vcf file saved directly to the phone's contacts with just one tap. Notably, all Bio information, Telegram, LinkedIn, what they are seeking/offering help with is neatly formatted by AI into the Notes section of the contact. Later, when you need to find it, just type a keyword on your phone and it will pop up!
• Bulk vCard Export: Allows exporting all those you have "liked" into a single .vcf file for batch imports into your phone.

• Host Admin Dashboard

• Hosts can edit event information, upload high-quality QR Code images.
• Turn on/off the check-in