Simple software.
Powerful possibilities.
Simple As POSSible.
SAPOSS builds software products and custom digital solutions across AI, payments, productivity, education, automation, and more.
WE BUILD PRODUCTS.
WE BUILD SOFTWARE.
WE MAKE COMPLEX THINGS SIMPLE.
Products built by SAPOSS.
We don't only build software for others.
We build, launch, and operate products ourselves.
AI · WORKSPACE · PRODUCTIVITY
macOS AppCortextAI
A private offline AI assistant and unified productivity workspace for macOS. Unifies email, notes, tasks, files, and chat into one local, zero-cloud system with on-device processing.
AI · SYSTEM · MACOS
macOS AppDesktopBrain
A privacy-first AI file organizer for macOS. Intelligently classifies, cleans, and organizes desktop and download clutter using local Core ML neural models without cloud dependencies.
EMAIL · DESKTOP CLIENT
Desktop AppMailDeskt
A fast, native desktop email client built for Resend and 15+ SMTP providers. Manage multiple inboxes, compose, send, and reply from one focused, clutter-free desktop application.
PAYMENTS · ECOMMERCE
Ecommerce PlatformFreshLimePay
A free online store builder and ecommerce payment platform. Sell physical or digital products, accept PayPal and Stripe payments, and generate checkout links with no monthly subscription fees.
BILLING · INVOICING · SAAS
Billing SaaSBillFlowr
A focused billing and invoicing workflow for freelancers and studios. Seamlessly connects project tracking, automated payment reminders, and private client portals to get paid faster.
INNOVATION · R&D
Next-GenMore in Development
SAPOSS continues researching and developing new proprietary digital products across artificial intelligence, fintech, automation, and developer ecosystems.
SOFTWARE DEVELOPMENT
Need software?
Let's build it.
SAPOSS works with companies, teams, and founders to turn ideas into practical, reliable software.
AI & Intelligent Systems
AI-powered applications, intelligent workflows, automation, and custom AI integrations.
Web & SaaS
Modern web applications and SaaS products designed around real business needs.
Payments
Digital payment experiences and payment technology integrations designed with simplicity in mind.
Automation
Connect systems, eliminate repetitive work, and create smarter workflows.
Education Technology
Digital products and platforms designed to make learning more accessible and effective.
Custom Software
From early concept to production, we design and build software tailored to your organization.
Have something specific in mind?
Talk to SAPOSSSimple As
POSSible.
Complex problems don't always need complicated software. SAPOSS focuses on understanding the real problem, removing unnecessary complexity, and building technology that feels natural to use.
Simple doesn't mean less.
Simple means intentional.
ABOUT SAPOSS
We build what should exist.
SAPOSS is a software company founded in 2025 by Jimmy Lee with a simple idea: technology should make things simpler, not more complicated.
SAPOSS develops its own products while also helping clients design and build custom software.
From artificial intelligence and payments to productivity, education, automation, and beyond, SAPOSS explores technologies that can solve real problems and create useful experiences.
Keep it simple.
Build it well.
Make it useful.
Founded
2025
Founder & CEO
Jimmy Lee
Experience
12+ years
Software development experience
Focus
Products & custom software
THE PERSON BEHIND SAPOSS
Built by experience.
Driven by simplicity.
Jimmy Lee
Founder & CEO
SAPOSS · 2025
Jimmy Lee is the founder and CEO of SAPOSS, a software company founded in 2025 with a simple philosophy: Simple As POSSible.
With more than 12 years of professional experience in software development, Jimmy brings extensive hands-on experience building software and turning ideas into practical digital solutions.
At SAPOSS, he leads product development and software services, with a focus on creating useful technology across AI, payments, productivity, education, and beyond.
More than a decade of hands-on experience developing software and digital solutions.
“Good software doesn't need to be complicated. It needs to solve the right problem.”
— Jimmy Lee
SAPOSS was founded by Jimmy Lee.
SAPOSS builds software products and develops custom digital solutions across AI, payments, productivity, education, automation, and more.
HOW WE BUILD
From idea to software.
Understand
We start with the problem, not the technology.
Define
We simplify the idea into a clear product and technical direction.
Build
We design, develop, test, and iterate.
Launch
We ship the product and continue improving it.
Understand
We start with the problem, not the technology.
Define
We simplify the idea into a clear product and technical direction.
Build
We design, develop, test, and iterate.
Launch
We ship the product and continue improving it.
CAPABILITIES
Built for what's next.
Your idea.
Our software expertise.
Whether you're starting from an idea, replacing an outdated system, or building a completely new digital product, SAPOSS can help turn the concept into working software.

Have an idea?
Let's make it possible.
Tell us what you're trying to build. We'll help turn the idea into a clear, practical software solution.
AI · SaaS · Payments · Automation · Custom Software