Web development, web apps and AI for businesses.

MannCave.Dev builds custom websites, web applications, AI features and automation for businesses in Denton and across Dallas, Fort Worth, Frisco — and remotely, anywhere in the US. Fixed scope, fixed price, and you own the code, the data, and the hosting when it ships.

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Based in: Denton, TX
Serving: Denton · Dallas · Fort Worth · Remote
Engagements: Fixed scope, fixed price

What we do

Four ways we help

Web development for businesses

Websites that load fast, rank, and convert.

Most business websites are slow, hard to update, and rented from a platform that raises the price every year. We build sites you own outright — fast, accessible, and structured so search engines and AI assistants can actually understand what you do.

Custom design built around your business, not a template
Copy structure and information architecture
Technical SEO: structured data, sitemaps, metadata, Core Web Vitals
Accessibility to WCAG AA — keyboard navigation, contrast, semantics

What's included

Web app development for businesses

Software that replaces the spreadsheet.

When a business outgrows spreadsheets and off-the-shelf tools, the usual options are a rigid SaaS subscription or a project that never ships. We build focused web applications — customer portals, internal dashboards, booking systems, CRMs — scoped to the problem and shipped in usable pieces.

Discovery: mapping the actual workflow before designing screens
Custom application design and build
Secure user accounts, roles, and permissions
Integration with the tools you already run

What's included

AI for business software

AI that earns its keep, or doesn't ship.

Most "AI features" are a chat box bolted onto a product with no idea what it costs to run or whether it is right. We build AI the way we build everything else: scoped to a job, connected to your real data with read-only hands, evaluated before it ships, and metered so the running cost is a line item rather than a surprise. We have shipped it in our own products first.

Discovery: which jobs a model can actually do well, and which it should not touch
Assistants over your own data — CRM, documents, activity — with tool use restricted to reading
Conversation intelligence: scoring, summarisation, and next-best-action from real threads
Automation with a model in the loop, and a human gate wherever the action is irreversible

What's included

Business process automation

Delete the task, do not document it.

Every business has a job someone does by hand every week because it never seemed big enough to fix. Copying data between systems, chasing approvals, producing the same report. We find those, and remove them — not with a fragile chain of no-code steps, but with something built to keep running.

Audit of the recurring manual work and what it costs in hours
Integrations between the systems you already run
Scheduled jobs, pipelines, and alerting
Internal tools where a human still needs to be in the loop

What's included

Proof

Things we have actually shipped

Every project below is one we designed, built, and run. Each row opens a case study with the brief, the build, and where it stands today.

01
manncavemedia.com
A media hub that updates itself — new episodes, videos and posts appear on their own, with no CMS and no manual edits.
Astro · TypeScript · Tailwind
shipped
02
os.manncave.dev
A self-hosted command center that replaced the whole SaaS stack — projects, client CRM, invoicing, notes and booking in one app we own outright.
Next.js · TypeScript · Postgres
shipped
03
Lotline
An automotive CRM for car dealerships — pipeline, texting, desking, inventory and reporting in one system, with an AI layer that reads the conversation.
TypeScript · NestJS · React
building
04
Kingdom Athletics
A faith-driven apparel brand built from the name outward — identity, storefront, and the drop mechanics behind it.
Brand · Storefront
building

Questions before you start

Who builds websites and web apps for businesses in Denton, TX?

MannCave.Dev is a web development studio based in Denton, TX, building custom websites, web applications, and business automation. It serves Denton, Dallas, Fort Worth, Frisco, and works remotely with clients across the United States.

What does a web development studio actually do?

It designs and builds the software a business runs on the web: the public website, plus the applications behind it — customer portals, booking systems, internal dashboards, and the integrations that connect them. That covers design, engineering, hosting, and the technical SEO that decides whether anyone finds it.

Should I hire a freelancer, an agency, or a small studio?

A freelancer is cheapest and fastest for a small, well-defined job, but is a single point of failure. A large agency brings process and depth at a price that assumes a large budget. A small studio sits between the two: you talk directly to the person building it, and the work is scoped so it ships rather than expanding to fill a retainer.

How do you charge?

Fixed price against a defined scope, agreed after a scoping call, rather than open-ended hourly billing. If the scope changes mid-project, the change is quoted before it is built. Ongoing support is a separate, optional monthly arrangement.

What technology do you build on?

Modern, boring, well-supported tooling: TypeScript, Astro and Node for web, PostgreSQL or SQLite for data, and Docker for deployment. The stack is chosen so another developer can pick the project up — nothing proprietary, nothing you need us to maintain.

How do I start a project?

Send the project brief through the enquiry form. You get a reply with either a scoping call invitation or an honest note that it is not a good fit — no drawn-out sales sequence.

Start a project

Tell us what you are trying to build.

A short brief is enough to start. You will get a straight answer on fit, rough cost, and timeline — or a recommendation elsewhere if that serves you better.

The enquiry form is loading. If it doesn't appear, reach out directly — same inbox either way.

Email houston@manncavemedia.com Message @HoustonMannis on X