Core Tech Stack

Node.js – Backend runtime environment
Express.js – Fast and minimalist web framework for REST APIs
React.js – Modern frontend library for dynamic UI
Socket.IO – Real-time communication (messaging, typing, presence)
WebRTC – Peer-to-peer audio, video calling, and screen sharing
MySQL – Relational database for storing users, teams, channels, messages
Bootstrap CSS – Modern responsive UI framework
SASS/SCSS – Advanced CSS preprocessor for modular and maintainable styling
Fully Responsive Design – Works on desktop, tablet, and mobile
Font Awesome – Comprehensive icon library
Clean & Well-Commented Code
Google Fonts (e.g., Inter, Roboto)
Detailed Developer Documentation
JWT Authentication – Secure token-based authentication
W3C Validated HTML/CSS

User Roles & Permissions

Super Admin – Full system access, manage all Teams
Team Admin – Manage Team settings, users
Channel Admin – Manage specific channels, permissions
Team Member – Standard user access

Team Management

Create multiple Teams
Invite users via email
User onboarding flow
Team directory with user profiles
Custom Team branding (logo, colors, name)
Team settings and preferences
Member management (add, remove, suspend, deactivate)
User groups and mentions (@all, @membername)
Delete Teams
Member roles and permission assignment

Channel Features

Public Channels – Open to all Team members
Direct Messages (DM) – 1-to-1 conversations
Group Messages – Multi-person direct chats
Create, rename, and delete channels
Channel descriptions and topics
Pin important messages in channels
Pin channels for quick access
Mute and notification settings per channel
Channel member management (add, remove, promote, demote, members)

Messaging Features

Send and receive real-time text messages
Rich text formatting (bold, italic, strikethrough, code,coloring)
Markdown support for formatting
Threaded replies and conversation threads
Edit and delete messages
Forward messages to other channels/users
Copy message text or permalink
Message reactions with emojis
@ mentions for users, channels, groups
Code blocks with syntax highlighting
Quote and cite messages
Important/starred messages collection
Pin messages collection
Read receipts
Typing indicators in real-time
Message search with advanced filters
Message preview for links, images, videos and files

Media & Attachments

Send images (PNG, JPG/JPEG, GIF, WebP, SVG)
Send videos
Send audio files and music
Record and send voice messages (push-to-talk)
Send documents (PDF, Word, Excel, PowerPoint, CSV)
Send compressed files (ZIP, RAR, 7z)
Drag-and-drop file upload interface
File preview and inline display
Download files and media attachments
File size limits and upload restrictions
Multiple file upload at once

Voice & Video Communication

1-to-1 Audio Calling with HD quality
1-to-1 Video Calling with HD quality
Group Audio Calls
Group Video Calls with grid and speaker view
Screen sharing (full screen, window, or application)
Presenter mode with screen controls
Mute/unmute controls for all participants
Camera on/off controls
Real time call messages
Call waiting and hold functionality

Reminders & Notifications

Set reminders for specific messages
Set personal reminders using /remind command
Remind others about tasks and deadlines
Custom reminder times and dates
View all active reminders in one place
Delete existing reminders
Reminder notifications across all devices
Desktop push notifications
Unread message counter

Search & Discovery

Global Search – Search messages, files, people, channels
Advanced Filters – Filter by date, person, channel
Search within conversation threads
Filter pinned messages only
Filter starred messages
Jump to date in conversation

User Profile & Status

Upload custom profile pictures and avatars
Set display name and full legal name
Contact information (email, phone, extension)
Availability indicators (active, offline)
Last seen/active timestamp
Custom fields