After years in software development, one thing has become abundantly clear: repetition is the enemy of progress. Most web platforms—regardless of industry or use case—share a large percentage of common functionality. Whether you’re building SaaS products, e-commerce sites, internal dashboards, or community platforms, many of the core features remain the same.
To save time, ensure consistency, and reduce bugs, building a reusable library of modular components is not just a smart strategy—it’s essential. Below is a comprehensive list of the most commonly needed modules that should be part of any robust web development toolkit.
🔐 Authentication & Authorization
User Registration & Login
Logout & Session Management
Multi-Factor Authentication (MFA)
Social Login (Google, Facebook, GitHub, etc.)
Password Reset & Recovery
Email Verification
Role-Based Access Control (RBAC)
JWT / OAuth2 Support
👤 User Management
Profile View & Edit
Account Settings
Avatar Upload
User Activity Log
User Role Assignment
User Status (active/inactive/banned)
🧠 Dashboard & Admin Panel
Admin & User Dashboards
Modular CRUD Interfaces
Role-Sensitive Navigation
Real-Time Analytics & Data Visualization (Charts, Graphs, KPIs)
Building a modular, reusable code library isn’t just about saving time—it’s about scaling smartly. Whether you’re a freelancer, part of a product team, or running a development agency, this library becomes your silent co-founder: working behind the scenes, ensuring speed, consistency, and reliability in every project you ship.
If you’re starting now, begin small. But be intentional. With every project, invest a little more in your core foundation. Before long, you’ll have a battle-tested, production-ready toolbox that serves you for years to come.
Just to make it easier, here is the list of items in tabular format :
🔐 Authentication & Authorization
Module
What It Is
What Needs to Be Done
User Registration
Allows users to create an account
Create a form to collect name, email, password → validate → store securely
Login & Logout
Enables users to log in or out
Create login form → validate credentials → manage session/cookie/token
Multi-Factor Auth (MFA)
Adds extra verification step
Send code via email/SMS/app → verify before login completes
Social Login
Login using Google, Facebook, etc.
Integrate OAuth APIs from providers → fetch user info and handle sessions
Password Reset
Allows user to reset forgotten password
Generate reset link/token → email it → update password securely
Email Verification
Confirms user owns the email
Send confirmation email on signup → mark user as verified
Role-Based Access Control
Controls what users can access
Define roles like “admin”, “user” → restrict views/routes/actions accordingly
JWT / OAuth2
Token-based security model
Generate, sign, and verify tokens for API requests
👤 User Management
Module
What It Is
What Needs to Be Done
Profile Management
User can view and update their info
Create profile form with editable fields (name, bio, etc.)
Account Settings
Manage preferences, password, etc.
Create sections for updating email, password, notification settings
Avatar Upload
Profile image feature
Add file upload → resize/compress → store securely
Activity Log
Shows user’s actions
Log key actions (login, update, purchase) → display in timeline
Role Assignment
Admin can change user roles
Interface to assign/remove user roles securely
User Status
Active, banned, pending, etc.
Store and check user status before allowing actions
🧠 Dashboard & Admin Panel
Module
What It Is
What Needs to Be Done
Dashboards
Landing page for users/admin
Show stats, quick actions, or summaries based on role
CRUD Operations
Manage database entities
Create, Read, Update, Delete interfaces for models like users/posts/products
Role-Sensitive Navigation
Show/hide options by role
Use conditional logic to customize menus/UI
Charts & Graphs
Visualize data
Use libraries like Chart.js or Recharts for KPIs, trends, analytics
Bulk Actions
Apply changes to multiple items
Enable select + batch delete, export, update, etc.
📚 Content Management (CMS)
Module
What It Is
What Needs to Be Done
Content Editor
Rich text or markdown editor
Use libraries like CKEditor, TipTap, or SimpleMDE
Media Library
Manage files like images/videos
Upload, preview, organize, and delete media assets
Page Builder
Drag-drop layout editor
Provide UI blocks for headers, text, images → store layout config
Scheduling
Set content to go live at future time
Store publish_at timestamps → display based on time
Tags & Categories
Classify content
Create tagging system → enable filters/search using them
