Buyer-ready contractor operations platform from lead to invoice.
FieldOps Contractor OS is a working, buyer-ready operations platform for small-to-mid field-service businesses such as HVAC, maintenance, handyman, cleaning, landscaping, appliance repair, and property-service companies. The application connects the complete contractor workflow: Customer and property intake Lead and sales-pipeline tracking Estimates with labor, parts, taxes, discounts, approval status, and PDF export Work-order creation and job execution Technician scheduling Inventory, low-stock alerts, and job-part usage Invoicing and payment-status tracking Job costing, revenue, profit, aging invoices, workload, and operational reports User, company, backup, reset, and administrative controls Unlike a collection of disconnected screens, the modules operate as one end-to-end workflow—from customer intake through estimate, work order, scheduling, inventory use, invoice, and job-profit reporting. Technical package FastAPI and Python backend SQLite database for straightforward local deployment and transfer HTML, CSS, and JavaScript interface ReportLab PDF generation and CSV exports Pytest automated tests Docker Compose setup Seeded demonstration data Installation, architecture, API, database, security, demo, roadmap, and buyer documentation Commercial demo video The current product is a private, local/self-hosted v1 code asset with no real customers or revenue yet. It is not currently a multi-tenant SaaS, but the package includes a clear upgrade path for PostgreSQL, cloud deployment, subscriptions, payments, maps, email/SMS, mobile tools, and third-party integrations. The sale includes the complete source code, documentation, tests, Docker setup, seeded demo data, export functionality, demo materials, and 30 days of post-transfer support. Full source-code access will be transferred after purchase and payment terms are confirmed. A live walkthrough, demo video, screenshots, documentation overview, backend API documentation, test results, and selected technical areas can be shown beforehand.
Next step: <p>A buyer can continue offering FieldOps as a local or self-hosted contractor-management platform, customize it for a specific field-service industry, or develop it into a hosted SaaS product.</p><p><br></p><p>The clearest expansion path includes PostgreSQL migration, multi-tenant accounts, cloud deployment, subscriptions and payments, automated backups, customer onboarding, and stronger role-based access.</p><p><br></p><p>Additional integrations could include Stripe, QuickBooks, Google Maps, email and SMS notifications, calendar synchronization, online estimate approvals, invoice payments, technician mobile tools, and customer portals.</p><p><br></p><p>The platform can also be specialized for HVAC, landscaping, property maintenance, cleaning, handyman services, appliance repair, or facilities management and monetized through subscriptions, private-label deployments, licensed installations, or vertical-specific versions.</p>
For sale
Asking price: $12,500 USD
What's included
Source code, All related data, All related design work
The sale includes the complete application source code, seeded demo database, installation guide, README, architecture documentation, API reference, database schema, security notes, commercial use cases, known limitations, roadmap, buyer notes, automated Pytest tests, Docker Compose setup, PDF/CSV export functionality, commercial demo video, and 30 days of reasonable post-transfer support for installation questions and buyer-discovered bugs.
Reason for selling
I am busy with other things and no longer have time to maintain this project.
Project metrics
Average Monthly Visitors: Pre-launch
Average Monthly Revenue: Pre-revenue
Average Monthly Downloads: Pre-launch / New project
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