Mission: Provide radical transparency in charitable organization finances, enabling donors and the public to see exactly how funds are raised and spent.
Target: 501(c)(3) charitable organizations like GRIT Hoops Westwood Basketball, Inc.
Business Model: Freemium SaaS with advertising support
┌─────────────────────────────────────────────────────────────┐
│ Public/Donor Interface │
│ (Transparency Dashboard, Donation Portal, Donor Profile) │
└─────────────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────────────┐
│ Organization Admin Interface │
│ (Ledger Management, Transaction Entry, Purchase Plans) │
└─────────────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────────────┐
│ Platform Admin Interface │
│ (Organization Management, User Management) │
└─────────────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────────────┐
│ API Layer │
│ (REST/GraphQL APIs, Authentication, Authorization) │
└─────────────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────────────┐
│ Business Logic Layer │
│ (Transaction Processing, Ledger Logic, Reporting Engine) │
└─────────────────────────────────────────────────────────────┘
↓
┌─────────────────────────────────────────────────────────────┐
│ Data Layer │
│ (PostgreSQL, File Storage, Cache, Bank Sync Service) │
└─────────────────────────────────────────────────────────────┘
- Framework: Next.js 14+ with App Router
- Server-side rendering for SEO
- API routes for backend
- Great AI tooling support
- UI Library: Shadcn/ui + Tailwind CSS
- Modern, accessible components
- Easy to customize
- State Management: React Context + TanStack Query
- Charts/Visualizations: Recharts or Chart.js
- Runtime: Node.js with Next.js API Routes
- API Style: RESTful (GraphQL optional for v2)
- ORM: Prisma (excellent TypeScript support, AI-friendly)
- Primary DB: PostgreSQL
- Robust support for financial data
- JSON support for flexible schemas
- Row-level security for multi-tenancy
- Caching: Redis (optional for MVP)
- Auth Provider: Clerk or Supabase Auth
- Free tier available
- Social logins
- Role-based access control
- Session Management: JWT tokens
- Images/Documents: Cloudflare R2 or Supabase Storage
- S3-compatible
- Very cost-effective
- Primary Option: Vercel
- Free tier: Generous limits
- Excellent Next.js integration
- Global CDN
- Automatic HTTPS
- Alternative: Railway or Fly.io
- Affordable PostgreSQL hosting
- Docker support
- Donation Gateway: Stripe
- 2.9% + 30¢ per transaction
- Supports recurring donations
- Webhooks for automation
- Manual Tracking: Custom forms for Venmo/Check/Cash
- Bank Sync: Plaid (for automated bank reconciliation)
- Accounting: QuickBooks API (optional)
Organization {
id: UUID
name: String
slug: String (unique URL identifier)
ein: String (Tax ID)
mission: Text
logo_url: String
fiscal_year_start: Date
created_at: DateTime
status: Enum (active, suspended, inactive)
subscription_tier: Enum (free, premium)
// Relationships
accounts: Account[]
users: OrganizationUser[]
transactions: Transaction[]
planned_purchases: PlannedPurchase[]
}User {
id: UUID
email: String (unique)
name: String
avatar_url: String
created_at: DateTime
// Global donor tracking
total_donated: Decimal
// Relationships
organizations: OrganizationUser[]
donations: Transaction[]
}OrganizationUser {
id: UUID
user_id: UUID
organization_id: UUID
role: Enum (platform_admin, org_admin, donor, public)
joined_at: DateTime
// Donor-specific
anonymous_donor: Boolean
show_in_highlights: Boolean
}Account {
id: UUID
organization_id: UUID
code: String (e.g., "1000", "1100")
name: String (e.g., "Cash", "Checking Account")
type: Enum (asset, liability, equity, revenue, expense)
parent_account_id: UUID (nullable, for hierarchy)
description: Text
is_active: Boolean
created_at: DateTime
// Hierarchical structure
parent: Account
children: Account[]
// Balance tracking
current_balance: Decimal (calculated)
transactions: Transaction[]
}Transaction {
id: UUID
organization_id: UUID
transaction_date: Date
amount: Decimal
type: Enum (income, expense, transfer)
// Double-entry bookkeeping
debit_account_id: UUID
credit_account_id: UUID
// Metadata
description: Text
category: String (e.g., "Donation", "Equipment", "Travel")
payment_method: Enum (stripe, venmo, check, cash, bank_transfer)
reference_number: String (check number, Venmo ID, etc.)
// Donor information
donor_user_id: UUID (nullable)
donor_name: String (for anonymous or non-user donors)
is_anonymous: Boolean
// Attachments
receipt_url: String
notes: Text
// Reconciliation
bank_transaction_id: String (for future bank sync)
reconciled: Boolean
reconciled_at: DateTime
created_at: DateTime
created_by: UUID
}PlannedPurchase {
id: UUID
organization_id: UUID
title: String
description: Text
estimated_amount: Decimal
target_date: Date
status: Enum (planned, in_progress, completed, cancelled)
priority: Enum (high, medium, low)
category: String
// When completed
actual_transaction_id: UUID (nullable)
actual_amount: Decimal
completed_at: DateTime
// Images
images: PurchaseImage[]
created_at: DateTime
updated_at: DateTime
}PurchaseImage {
id: UUID
planned_purchase_id: UUID
url: String
caption: Text
uploaded_at: DateTime
}BankAccount {
id: UUID
organization_id: UUID
account_id: UUID (links to Chart of Accounts)
bank_name: String
account_number_last4: String
plaid_access_token: String (encrypted)
plaid_item_id: String
is_active: Boolean
last_synced_at: DateTime
}-
Platform Admin (Super Admin)
- Manage all organizations
- View system-wide analytics
- Manage subscription tiers
- Support and troubleshooting
-
Organization Admin (Board Members)
- Full access to their organization's data
- Accept and record donations
- Record expenses
- Manage chart of accounts
- Create/update planned purchases
- Upload images and receipts
- Manage organization users
- Configure organization settings
-
Donor (Registered User)
- Make donations
- View donation history across all organizations
- Track where their money went
- Choose to be anonymous per donation
- Opt in/out of donor highlights
-
Public (Unauthenticated)
- View transparency dashboard
- See all transactions (except anonymous donor names)
- View planned purchases
- See completed purchases with images
- Access historical reports
| Feature | Public | Donor | Org Admin | Platform Admin |
|---|---|---|---|---|
| View transactions | ✓ | ✓ | ✓ | ✓ |
| View planned purchases | ✓ | ✓ | ✓ | ✓ |
| Make donation | - | ✓ | ✓ | ✓ |
| View personal donation history | - | ✓ (own) | ✓ (all) | ✓ (all) |
| Record transactions | - | - | ✓ | ✓ |
| Manage chart of accounts | - | - | ✓ | ✓ |
| Create planned purchases | - | - | ✓ | ✓ |
| Upload images | - | - | ✓ | ✓ |
| Manage organization settings | - | - | ✓ | ✓ |
| Manage organizations | - | - | - | ✓ |
URL Structure: /{org-slug} (e.g., /grit-hoops)
Key Components:
-
Financial Overview Card
- Total funds raised (current fiscal year)
- Total expenses (current fiscal year)
- Current balance
- Fiscal year comparison chart
-
Recent Transactions Feed
- Last 20-50 transactions
- Filterable by type (income/expense)
- Search functionality
- Date range selector
-
Donor Highlights
- Top donors (who opted in)
- Recent donors
- Anonymous donors shown as "Anonymous Supporter"
-
Planned Purchases
- Upcoming planned purchases
- Progress toward funding goals
- Priority indicators
-
Completed Purchases Gallery
- Photo gallery of completed purchases
- Before/after comparisons
- Impact stories
-
Reports Section
- Fiscal year summaries
- Expense breakdown by category
- Revenue sources breakdown
- Exportable CSV/PDF reports
Features:
- Online donation via Stripe
- One-time or recurring
- Custom amounts
- Predefined amount buttons
- Manual donation recording (for Org Admins)
- Venmo payments
- Check payments (with check number)
- Cash payments
- Donor options:
- Donate anonymously
- Add to donor highlights
- Add dedication/message
- Instant receipt generation
- Email confirmation
Navigation:
- Dashboard (overview)
- Transactions
- Planned Purchases
- Chart of Accounts
- Reports
- Settings
Transaction Management:
- Record income
- Donations (manual entry for Venmo/Check/Cash)
- Other revenue
- Record expenses
- Purchase details
- Receipt upload
- Associate with planned purchase (optional)
- Transaction list with:
- Filters (date, type, category, account)
- Search
- Export
- Reconciliation status
Planned Purchase Management:
- Create planned purchase
- Title, description, estimated amount
- Target date, priority
- Category/tags
- Update status (planned → in_progress → completed)
- Upload multiple images
- Associate completed transaction
- Show funding progress
Chart of Accounts:
- Hierarchical tree view
- Add/edit accounts
- View account activity
- Account balances
- Standard templates (GAAP for nonprofits)
Reports:
- Fiscal year summary
- Month-over-month comparison
- Expense breakdown
- Revenue sources
- Donor summary
- Budget vs. actual (future)
Features:
- Personal dashboard
- Multi-organization donation history
- Filterable by organization
- Date ranges
- Total lifetime giving
- Track impact across organizations
- Donation receipts
- Tax documents (annual summary)
- Manage privacy settings
- Anonymous donations toggle
- Donor highlight opt-in
Features:
- Organization management
- Create new organizations
- Suspend/activate
- View organization stats
- User management
- Search users
- View user activity
- Manage roles
- System-wide analytics
- Total donations processed
- Active organizations
- User growth
- Support tools
- Audit logs
- Error monitoring
Approach: Shared database with Organization ID scoping
Implementation:
// Middleware to inject organization context
export async function getOrganizationFromSlug(slug: string) {
const org = await prisma.organization.findUnique({
where: { slug }
});
return org;
}
// All queries scoped by organization_id
const transactions = await prisma.transaction.findMany({
where: {
organization_id: organizationId,
// ... other filters
}
});Benefits:
- Cost-effective (single database)
- Easier to maintain
- Good for MVP scale
Considerations:
- Add row-level security policies in PostgreSQL
- Careful query scoping to prevent data leaks
Every transaction affects two accounts:
Example: Donation of $100 via Stripe
Debit: Stripe Clearing (Asset) +$100
Credit: Donation Revenue +$100
When Stripe pays out to the org's bank:
Debit: Checking (Asset) +$100
Credit: Stripe Clearing (Asset) -$100
Clearing-Account Pattern: Each payment method (e.g., Stripe) is linked to an accounting asset account via
OrganizationPaymentMethod.accountId. When a Stripe webhook fires, the platform debits the linked clearing account and credits the org's donation revenue account. This ensures proper double-entry and makes reconciliation straightforward when Stripe transfers funds to the org's bank.
Example: Purchase equipment for $50
Debit: Equipment Expense +$50
Credit: Bank Account (Asset) -$50
Implementation:
async function recordTransaction({
organizationId,
amount,
debitAccountId,
creditAccountId,
description,
// ... other fields
}) {
// Create transaction
const transaction = await prisma.transaction.create({
data: {
organization_id: organizationId,
amount,
debit_account_id: debitAccountId,
credit_account_id: creditAccountId,
description,
// ...
}
});
// Update account balances
await updateAccountBalances(organizationId, [debitAccountId, creditAccountId]);
return transaction;
}Approach: Calculated dynamically or cached
async function calculateAccountBalance(accountId: UUID) {
// Get all transactions for this account
const debits = await prisma.transaction.aggregate({
where: { debit_account_id: accountId },
_sum: { amount: true }
});
const credits = await prisma.transaction.aggregate({
where: { credit_account_id: accountId },
_sum: { amount: true }
});
const debitTotal = debits._sum.amount || 0;
const creditTotal = credits._sum.amount || 0;
// Balance calculation depends on account type
const account = await prisma.account.findUnique({ where: { id: accountId } });
if (account.type === 'asset' || account.type === 'expense') {
return debitTotal - creditTotal;
} else {
// liability, equity, revenue
return creditTotal - debitTotal;
}
}Optimization: Cache balances in Account table, recalculate on transaction
Donation Flow:
- User fills donation form
- Frontend creates Stripe checkout session
- Redirect to Stripe hosted page
- After payment, Stripe webhook notifies backend
- Backend records transaction in ledger
- Send confirmation email to donor
Webhook Handler:
// app/api/webhooks/stripe/route.ts
export async function POST(req: Request) {
const sig = req.headers.get('stripe-signature');
const body = await req.text();
let event;
try {
event = stripe.webhooks.constructEvent(body, sig, webhookSecret);
} catch (err) {
return new Response('Webhook signature verification failed', { status: 400 });
}
if (event.type === 'checkout.session.completed') {
const session = event.data.object;
// Record donation transaction
await recordDonation({
organizationId: session.metadata.organizationId,
amount: session.amount_total / 100, // Convert from cents
donorUserId: session.metadata.userId,
isAnonymous: session.metadata.isAnonymous === 'true',
paymentMethod: 'stripe',
stripeSessionId: session.id,
});
}
return new Response('Success', { status: 200 });
}For receipts and purchase images:
- Use Cloudflare R2 or Supabase Storage
- Generate signed URLs for uploads
- Store URLs in database
- Optimize images on upload
- Support multiple formats (JPEG, PNG, PDF)
Image Handling:
// Use Next.js Image component for optimization
import Image from 'next/image';
<Image
src={purchaseImage.url}
alt={purchaseImage.caption}
width={800}
height={600}
className="rounded-lg"
/>- Set up Next.js project with TypeScript
- Configure Tailwind CSS and Shadcn/ui
- Set up PostgreSQL database
- Design and implement Prisma schema
- Set up authentication (Clerk or Supabase)
- Create basic routing structure
- Implement multi-tenancy middleware
Deliverable: Basic app structure with auth and database
- Implement Chart of Accounts
- CRUD operations
- Hierarchical display
- Standard templates
- Transaction recording
- Income/expense forms
- Double-entry logic
- Balance calculations
- Basic transaction list view
- Account detail view with transaction history
Deliverable: Working general ledger system
- Organization creation and setup
- Organization admin dashboard
- User role management
- Organization user invitations
- Organization settings page
Deliverable: Multi-organization support with role-based access
- Public organization page design
- Financial overview dashboard
- Transaction feed (public view)
- Fiscal year comparison charts
- Export functionality (CSV/PDF)
- Privacy filters (anonymous donors)
Deliverable: Public-facing transparency dashboard
- Stripe integration
- Donation form and checkout flow
- Webhook handling
- Manual donation recording (Venmo/Check/Cash)
- Donation receipts
- Email confirmations
- Donor profile page
Deliverable: End-to-end donation processing
- Planned purchase CRUD
- Image upload functionality
- Purchase gallery view
- Status management workflow
- Link transactions to planned purchases
- Progress indicators
Deliverable: Planned purchase tracking
- Donor highlights section
- Privacy controls (opt-in/out)
- Cross-organization donor tracking
- Financial reports
- Fiscal year summary
- Expense breakdown
- Revenue sources
- Export reports
Deliverable: Complete transparency and reporting features
- UI/UX refinements
- Mobile responsiveness
- Performance optimization
- SEO optimization
- Security audit
- Deploy to Vercel
- Set up monitoring (Sentry)
- Documentation
Deliverable: Production-ready MVP
- Onboard GRIT as first organization
- User testing with board members
- Gather feedback
- Bug fixes
- Refinements
Deliverable: Validated MVP with real users
-
Bank Account Sync
- Plaid integration
- Automatic transaction import
- Reconciliation workflow
-
Budget Management
- Create annual budgets
- Track budget vs. actual
- Variance reports
-
Recurring Donations
- Monthly/annual subscriptions
- Donor portal to manage recurring gifts
-
Impact Metrics
- Custom KPIs per organization
- Impact stories
- Program tracking
-
Mobile App
- React Native app
- Push notifications for donations
- Mobile receipt scanning
-
QuickBooks Integration
- Sync to/from QuickBooks
- Bi-directional updates
-
Advanced Reporting
- IRS Form 990 assistance
- Custom report builder
- Automated monthly statements
-
Multi-Currency Support
- International organizations
- Currency conversion
-
Fundraising Campaigns
- Campaign creation tools
- Progress tracking
- Email campaigns
-
Advertising Platform
- Ad space for sponsors
- Revenue sharing with orgs
- Sponsor recognition
| Service | Cost | Notes |
|---|---|---|
| Vercel (Hosting) | $0 | Free tier (10k requests/day) |
| PostgreSQL | $5-10 | Railway/Fly.io basic plan |
| Clerk Auth | $0-25 | Free up to 10k MAU |
| Cloudflare R2 | $0-5 | $0.015/GB storage |
| Stripe | Variable | 2.9% + 30¢ per transaction |
| Domain | $12/year | .org domain |
| Total | $5-40/mo | Plus Stripe fees |
| Service | Cost | Notes |
|---|---|---|
| Vercel Pro | $20 | Better performance limits |
| PostgreSQL | $25-50 | Larger database |
| Clerk | $25-100 | Paid tier for more users |
| Cloudflare R2 | $10-50 | More storage |
| Monitoring (Sentry) | $0-26 | Error tracking |
| Total | $80-246/mo | Plus Stripe fees |
Freemium Tiers:
-
Free: Up to $50k annual revenue orgs
- Basic features
- 100 transactions/month
- 1GB storage
-
Premium ($29/month): Larger organizations
- Unlimited transactions
- 10GB storage
- Priority support
- Custom branding
- Advanced reports
-
Enterprise ($99/month): Large nonprofits
- Bank sync (Plaid)
- QuickBooks integration
- Dedicated support
- Custom features
Advertising Revenue (Future):
- Sponsor recognition placements
- Banner ads (ethical/relevant to nonprofits)
- Revenue share: 70% to platform, 30% to organizations
- Encrypt sensitive data at rest
- Use HTTPS for all communication
- Implement rate limiting
- SQL injection prevention (Prisma protects by default)
- XSS protection (React escapes by default)
- CSRF protection
- Regular security audits
- GDPR compliance
- Data export functionality
- Data deletion (right to be forgotten)
- Privacy policy
- Terms of service
- Cookie consent
- PCI DSS compliance (via Stripe)
- Donation receipt requirements
- Tax documentation (1099, etc.)
- Audit trail for all transactions
- Immutable transaction log
- Implement fine-grained permissions
- Audit log for admin actions
- Regular permission reviews
- GitHub Copilot - Code completion and generation
- Cursor / Windsurf - AI-powered IDE
- v0.dev - UI component generation (Shadcn-based)
- ChatGPT / Claude - Architecture decisions and debugging
- Vercel v0 - Landing page generation
- Use AI to generate Prisma schema
- Generate API routes with Copilot
- Create UI components with v0.dev
- Ask AI for testing strategies
- Use AI for documentation
- "Generate a Prisma schema for [feature]"
- "Create a Next.js API route to [action]"
- "Build a React component for [UI element] using Shadcn/ui"
- "Write unit tests for [function]"
- "Optimize this SQL query for performance"
- Jest for business logic
- Test transaction calculations
- Test permission logic
- Test balance calculations
- API endpoint testing
- Database operations
- Stripe webhook handling
- Playwright or Cypress
- Critical user flows:
- Make a donation
- Record a transaction
- Create planned purchase
- View public dashboard
- Cross-browser testing
- Mobile responsiveness
- Accessibility (WCAG 2.1)
- Getting started guide
- How to record transactions
- How to create planned purchases
- How to interpret reports
- FAQ
- How to donate
- How to track donations
- Privacy settings guide
- README with setup instructions
- API documentation
- Contributing guidelines
- Architecture overview
User Growth:
- Number of registered organizations
- Monthly active users (MAU)
- Donor retention rate
Financial Metrics:
- Total donation volume processed
- Average donation size
- Transaction volume per organization
Engagement:
- Public dashboard views
- Time spent on transparency pages
- Report downloads
Platform Health:
- Uptime (target: 99.9%)
- Page load time (target: <2s)
- Error rate (target: <0.1%)
-
Open Source (Consider)
- Make platform code publicly available
- Accept community contributions
- Transparent roadmap
-
Public Metrics
- Show platform-wide donation statistics
- Display system uptime
- Share growth metrics
-
Clear Pricing
- No hidden fees
- Transparent cost breakdown
- Show exactly what Stripe charges
-
Open Communication
- Public changelog
- Regular blog updates
- User feedback visibility
-
Data Ownership
- Organizations own their data
- Easy export functionality
- Clear data retention policies
- Set up GitHub repository
- Initialize Next.js project
- Set up local PostgreSQL database
- Create initial Prisma schema
- Configure authentication provider
- Set up project structure
- Create database schema
- Implement basic authentication
- Create organization and user models
- Build initial admin layout
# Create Next.js project
npx create-next-app@latest transparency-platform --typescript --tailwind --app
# Install dependencies
cd transparency-platform
npm install prisma @prisma/client
npm install @clerk/nextjs # or supabase auth
npm install shadcn-ui
npm install stripe
npm install zod # validation
npm install date-fns # date handling
npm install recharts # charts
# Initialize Prisma
npx prisma init
# Initialize Shadcn/ui
npx shadcn-ui@latest init-
Risk: Database performance issues at scale
- Mitigation: Implement caching, optimize queries, use read replicas
-
Risk: Stripe webhook failures
- Mitigation: Implement retry logic, manual reconciliation tools
-
Risk: Data breach
- Mitigation: Regular security audits, encryption, access controls
-
Risk: Low adoption by nonprofits
- Mitigation: Start with GRIT, get testimonials, offer free tier
-
Risk: Stripe fees too high for small donations
- Mitigation: Educate users, consider absorbing fees for small amounts
-
Risk: Sustainability of freemium model
- Mitigation: Plan advertising, offer premium features, seek grants
This platform has the potential to transform how charitable organizations operate by making financial transparency the norm, not the exception. By starting with GRIT and building a solid, cost-effective MVP, you can validate the concept and expand to serve hundreds or thousands of nonprofits.
The key to success will be:
- Radical simplicity - Make it easy for treasurers to use
- True transparency - No hiding data behind paywalls
- Cost consciousness - Keep it affordable for small orgs
- Donor focus - Make donors feel confident in their giving
- Continuous improvement - Iterate based on user feedback
Estimated Timeline: 4-5 months to production-ready MVP Estimated Cost: <$50/month to start Potential Impact: Support thousands of nonprofits in transparency
Let's build this! 🚀