Adaptive to your workflow
Shape jobs, stages, and records around how your team actually operates. The system bends to your process, not the reverse.
Free adaptive CRM · Web & iOS
The free, adaptive CRM
for service businesses.
S-Protocol helps you manage customers, jobs, technicians, dispatch, scheduling, invoices, payments, and daily operations — in one simple system that adapts to the way your business already works.
Core CRM is free — and built to stay that way.
CustomersJobsTechniciansDispatchSchedulingInvoicesPaymentsCommunication
Why S-Protocol
Software that adapts to your business — not the other way around.
Most CRMs ask you to bend your operation to fit their software. S-Protocol is built to flex around how your team already works, so it feels obvious from the first day.
Simple by design
A clean, focused interface your whole team can pick up on day one — office staff and technicians alike. No training program required.
No unnecessary complexity
None of the bloat, ceremony, or enterprise overhead you will never use. Just the tools that move real work forward.
Built from real operations
Every workflow is shaped by running real service work in the field — not by guessing at features from a whiteboard.
Made for service businesses
Dispatch, scheduling, and field workflow are first-class — not bolted on. Built for teams that run jobs in the real world.
Where it started
S-Protocol began inside an appliance repair business — its first real-world proving ground — and grew into a platform built for service businesses of every kind.
Free core CRM
The core CRM is free — and built to stay that way.
We don’t believe a business should have to pay just to run its day-to-day operations. The tools you use to manage customers, jobs, and your team are the heart of S-Protocol — and they’re free to use. No per-seat meter. No basic-features paywall. No plan to quietly move everyday work behind a subscription later.
Free to run your operation
Customers, jobs, dispatch, scheduling, invoices, and team workflow — the core system stays free to use.
No basic-CRM paywall
This isn’t a free trial that turns into a bill for the essentials. The everyday tools don’t get taken away.
Transparent by design
How we plan to grow is no secret. See exactly where future revenue comes from in the next section.
How we grow
Core CRM stays free. We grow through the platform around it.
Instead of charging small businesses to run their operations, S-Protocol grows by offering genuinely useful products and services around the platform — the kinds of things businesses already pay for elsewhere. You only ever pay for something when it adds real value to your business.
Optional
Insurance & protection
Coverage and protection products built for the realities of service work.
Optional
Payment processing
Take card and online payments, with processing built into your invoices.
Optional
Premium integrations
Deeper connections to the marketplaces, tools, and services you rely on.
Optional
Branded business systems
Your own branded booking, invoicing, and customer experience.
Optional
Business-in-a-box setup
Get a new service business set up and running, end to end.
Optional
Lead & booking tools
Turn more inquiries into booked, scheduled, and dispatched jobs.
Optional
Partner services
Vetted products and services from partners across the ecosystem.
Optional
Automation & advanced tools
Optional automation, advanced reporting, and operational add-ons.
You keep the free CRM. We grow alongside you — by helping your business, not by taxing it.
What’s included
Everything you need to run the day.
The real strengths of S-Protocol, in one place — clean, fast, and ready to use on web and iOS.
Customer management
Every customer, contact, and history in one searchable place.
Job management
Create, assign, and track jobs from intake to completion.
Dispatch board
See who has what and move work in real time.
Scheduling
Book, reschedule, and balance the calendar without the chaos.
Technician workflow
Field-ready job views and status updates, right from a phone.
Invoices
Build invoices tied directly to the work and the customer.
Payments
Collect and reconcile payments against every invoice.
Notes & history
Context, attachments, and a full timeline on every record.
Team communication
Keep the conversation attached to the job it’s about.
Reports
See how the business is running with clear operational reporting.
Public invoices
Share clean, customer-facing invoice links in a click.
Mobile & iOS access
Run the operation from the web app or the native iOS app.
Integrations
Connects with the tools you already use.
S-Protocol is built to plug into your stack. Some connections are live today, others are on the way — we label them honestly so you always know what to expect.
Stripe
AvailableCard and online payments, payouts, and reconciliation.
Quo
AvailableService warranty and parts workflows linked to your jobs.
Thumbtack
AvailablePull in leads and turn them into booked, dispatched jobs.
Google APIs
AvailableCalendar, Maps, and Business Profile connections.
Website forms
AvailableCapture inquiries straight from your site into S-Protocol.
Email & SMS
AvailableAutomated customer updates across email and text.
Custom APIs
By requestConnect your own systems through a documented API.
Webhooks
By requestPush events to the tools and automations you already run.
Need something specific?
Tell us what you run. We support custom integration work for teams with particular requirements.
Talk to usBuild with us
Build with us.
Mix your workflow into the platform.
S-Protocol grows with the people who use it. If you run, dispatch, or work in a service business, your real-world workflow is exactly what shapes the product. Use it, tell us what’s missing, request the workflows you need — and grow with the platform as it expands.
- Use it free
Run your operation on the core CRM at no cost.
- Request workflows
Ask for the flows your business actually needs.
- Shape the roadmap
Your feedback steers what we build next.
- Grow with us
Expand into platform services as you scale.
Run your business on a CRM
that works the way you do.
Free core CRM for service businesses. Simple, adaptive, and built to grow with you — on web and iOS.