AppexTECHNOLOGY
Custom software & platforms

CustomSoftwareYou Own.

We design and build the applications your business runs on — and customize open-source platforms you self-host. Shipped fast, documented, and owned entirely by you. No per-seat fees, no page builders, no lock-in.

  • B2B + B2C
  • Self-hosted on your cloud
  • You own everything
  • Custom Software
  • Custom Websites
  • Platform Engineering
  • AI Integration
  • APIs & Webhooks
  • Self-Hosted
  • B2B Portals
  • B2C Products
  • Zero Seat Fees
01 / code & data ownership
100%
02 / per-seat or builder fees
$0
03 / open-source platforms we customize
30+
04 / direct to the senior engineer building it
1:1
What we build

One partner.
Every layer.

Software isn’t one thing — it’s a stack. Scroll down through the layers we engineer, from the interface your customers touch to the foundation you own.

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Custom websites & consumer products

Hand-built marketing sites, storefronts, and B2C products engineered for speed, conversion, and Core Web Vitals — no WordPress, Wix, or Squarespace, and no monthly builder fees.

  • Built for Core Web Vitals, SEO & AEO
  • Storefronts, subscriptions & payments
  • You own the code and choose the hosting
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Custom software & B2B systems

Bespoke web and mobile applications engineered around your exact workflows — client portals, billing, dashboards, and the operations software your business actually runs on.

  • Full-stack web apps (React, TypeScript)
  • Client & partner portals
  • Internal tools, dashboards & automation
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AI & automation integration

Practical AI features wired into your product and operations — search, assistants, and document workflows that remove repetitive, language-heavy work.

  • LLM-powered features
  • Document & data automation
  • Internal AI assistants
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APIs & integrations

Custom REST and GraphQL APIs, webhooks, and integrations that connect your software to the tools, payments, and data you already use — anything with an API.

  • Custom API design & development
  • Third-party & payment integrations
  • Data sync, ETL & webhooks
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Open-source platform customization

We customize and self-host mature open-source platforms on your own cloud, so you own your stack, skip per-seat SaaS fees, and ship in weeks, not quarters.

  • Self-hosted on your own AWS or cloud account
  • Custom objects, workflows & integrations
  • White-label & multi-tenant configurations
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Architecture, consulting & ownership

Architecture reviews, tech-stack selection, and fractional engineering leadership — and when we hand over, everything is documented and yours: code, data, and infrastructure.

  • Architecture & stack strategy
  • Build-vs-buy guidance
  • Documented handover — zero lock-in
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The difference

You own the code.

You own the data.

You own the roadmap.

Most software you pay for is rented — per seat, per month, forever. We build on open-source foundations and hand over clean, documented code on your own infrastructure, so the work is yours to run, change, or take elsewhere. Permanently.

How we work →
Own your stack

Open-source platforms you control

Instead of renting per-seat SaaS, we self-host and customize proven open-source platforms on your own cloud. CRM, commerce, automation, analytics, support & more — all free to license.

Explore the platforms
Integrations & APIs

Connected to everything else

Custom REST and GraphQL APIs, plus integrations with the payments, CRMs, email, AI models, and data tools you already use. Stripe, Salesforce, QuickBooks, Twilio, OpenAI & more.

Explore integrations
Why Appex

Senior engineering, no agency overhead

01

We start from the goal

Every project begins with the business outcome and works backward to the smallest software that delivers it. No scope you didn’t need.

02

You own everything

Open-source foundations and clean, documented code mean the work is yours to run, change, or take elsewhere — permanently.

03

Direct to a senior engineer

No account managers or hand-off chains. You work with the person writing the code, so decisions and shipping happen fast.

FAQ

Questions, answered

What does Appex Technology do?+
Appex Technology is a technology consulting firm that designs and builds custom software applications and customizes self-hosted open-source platforms for B2B and B2C businesses. Work ranges from a single integration to a full custom platform.
How much does a custom software project cost?+
Every project is different, so we scope each one individually rather than quote a list price. After a short discovery call we send a clear, defined estimate before any code is written — no open-ended hourly billing and no surprises. Tell us what you want to build through the contact form and we’ll set up a meeting to scope it.
Do you build websites without WordPress, Wix, or Squarespace?+
Yes. We build fully custom websites and web apps — no WordPress, Wix, Squarespace, or other page builders, and no monthly subscription fees. You get a faster, more secure, SEO- and AEO-optimized site that you own outright and can host anywhere.
Do you build on open-source platforms?+
Yes. We self-host and customize mature open-source platforms on your own cloud account, so you get a working foundation in weeks, own all of it, and avoid per-seat SaaS pricing. See the platforms page for the systems we build on.
Can you integrate with our existing tools, APIs, and payment systems?+
Yes. We build custom REST and GraphQL APIs and connect your software to payments (Stripe, PayPal), CRMs (Salesforce, HubSpot), accounting (QuickBooks, Xero), AI models (OpenAI, Anthropic), email and SMS, and more — essentially anything with an API. See the integrations page for the full list.
How do I start a project?+
Send a project inquiry through the contact form or email info@appextechnology.com. We reply within one business day and book a short call to scope the work.

Have a project worth building?

Tell us what you’re trying to make. We reply within one business day with a clear next step — not a sales sequence.