Maryland-based software business

Lightweight software for focused work.

Tenacity DC LLC is an independent software studio building productivity, collaboration, and organizational tools for individuals, small teams, and practical day-to-day workflows.

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Products

Software built with a practical edge.

Our products are designed to be lightweight, useful, and direct. Some are public, some are in active development, and some are offered through limited early access.

Postbaby

A simple visual note and planning tool for organizing ideas, tasks, reminders, and small personal workflows.

Productivity Notes Web App

Scrumboy

A project and task management system focused on fast planning, lightweight boards, and straightforward collaboration.

Projects Kanban Self-hosted

Voxidian

A voice and transcription-focused app concept for capturing, organizing, and searching spoken information.

Voice Transcription Mobile

Services

Custom software help when it makes sense.

Tenacity DC LLC also provides selective custom development and consulting for small businesses, internal teams, and product owners who need practical software built or improved.

Custom web applications Small business tools, internal dashboards, workflow systems, and lightweight SaaS features.
Prototypes and product development Early product builds, MVPs, technical planning, and iterative feature development.
Automation and integrations Practical scripts, APIs, data flows, and integrations that reduce manual work.
Maintenance and improvement Refactoring, bug fixes, performance improvements, deployment support, and documentation.

About

Small by design. Serious about the work.

Tenacity DC LLC is an independently operated software business focused on building practical tools for productivity, collaboration, and organization.

The company develops its own software products and occasionally works with clients on custom development projects. The goal is to create software that is useful, maintainable, and understandable without unnecessary complexity.

Business model: Tenacity DC LLC may accept payments for software subscriptions, app purchases, support, consulting services, custom software projects, and voluntary support contributions.

All paid offerings are presented with pricing and terms before purchase. Customers may contact us with questions before or after payment.

Development and Product Lead at Tenacity DC LLC

Development & Product Lead

Mark leads product direction and hands-on engineering at Tenacity DC LLC. With more than a decade of experience in software development—including leading coding bootcamps—he has shipped web applications, internal tools, MVPs, and long-running products for individuals, small teams, and business clients.

His work focuses on practical software: clear scope, maintainable code, and products that stay useful after launch.

10+ years in software development
Product & engineering leadership
Leading coding bootcamps
Full-stack web applications
MVPs, tooling & integrations

Contact

Get in touch.

For product questions, support, consulting inquiries, or billing questions, email us directly.

Email

Use email for support, consulting inquiries, product questions, billing issues, and general business contact.

[email protected]

Payments and support

If you purchased a product or service from Tenacity DC LLC, include the email used at checkout and a brief description of the issue.

Request support

Legal

Terms and privacy.

These basic terms apply to products, services, and payments handled by Tenacity DC LLC unless a separate written agreement applies.

Terms of Service

By using our products or purchasing services, you agree to use them lawfully and responsibly.

Digital products and services are provided as described at the time of purchase.
Consulting or custom development work may require a separate written scope, quote, or agreement.
Pricing, availability, and features may change over time.
Refund requests are reviewed case by case. Contact us within 14 days of purchase if something is wrong.
We may refuse service for abuse, fraud, unlawful activity, or misuse of our products.

Privacy Policy

We collect only the information needed to provide products, services, support, and payment processing.

We may receive your name, email address, billing details, support messages, and product usage information.
Payment information is processed by third-party payment providers and is not stored directly on this website.
We do not sell customer personal information.
We may use trusted service providers for hosting, analytics, email, payment processing, and support.
You may contact us to ask about your information or request deletion where legally and technically possible.