Custom  Web Application Development  Secure & Custom Made to Your Specification

Open Sky Custom Web Application Development Page Floater Drone

Web applications are hard - we make it look easy! Open Sky Software specializes in secure, high performance web applications for your business. We have experience in every aspect - including dynamic user interface design, site security, databases, hosting and integrated support systems.

Software Lifecycle Management

Our Custom Web Application Development Features


Java Web Development

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MySQL Web Apps

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Tomcat Web Apps

Spring Logo

Java Spring Web Apps

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Firebase Web Development

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Hibernate Web Apps

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Linux based Web Apps

Apache Web Server Logo

Apache Web Apps

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Java Messages Services Apps

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MariaDB Web Apps

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Let us build your next custom web application!


Interesting Facts About Open Sky Software

23 Years
In Business

12 Products
In Commercial Production

100+ Projects
Completed Successfully

5 Locations
In Two US Time Zones

2 Physicists
PhD Founders

2 Datacenters
Featuring High Availability

Certainty of Success

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Your Integrated Software Insurance Plan

Eight out of twelve software projects fail. And they fail catastrophically! That means you lose everything. Throw it away. Start over. Trust Open Sky and don't take risks by hiring the wrong team. Open Sky offers you peace of mind in the form of:

FREEDOM Through Software Engineering Best Practices Featuring Open Source

CONTROL Through A Professional Onshore & In-House Development Team

EXPERIENCE That Only Years of Successful Project Delivery Can Provide


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Loan Origination System

software table showing medical software


Anatomy Learning Center

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Proposal Submission System

stack of money


General Ledger Accounting

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AP Curriculum Test Prep

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Quantitative Risk Analysis

various document types


Secure Electronic Delivery


Loan Approval & Originination

  • Fast & easy loan application
  • Instantaneous credit checks
  • Instantaneous approvals
  • Cross-sell capabilities
  • Nationwide lead management
  • Secure database architecture
  • Technical support and hosting
screenshots of web based loan origination software application


Human Anatomy Learning Center

  • Simple interfaces for students
  • Online Classrooms
  • Professor generated exams
  • Over 5000 test questions
  • Over 5000 flashcards
  • Interactive graphics
  • Text to speech audio
  • Support, maintenance and hosting
screenshots of human anatomy learning software application


Proposal Submission System

  • Over 3000 proposals worldwide
  • Over 600 institutions
  • Over 4500 astronomers
  • Ongoing submission cycles
  • Administrative reviewing
  • Technical data valications
  • Support, maintenance, and hosting
screenshots of online proposal submission and grant tracking software


Custom Accounting & Payroll

  • Customers in 22 states
  • Over $40 million in payrolls
  • Over $150 million in invoices
  • Integrated tax reporting
  • Multi-user permissions
  • Secure database architecture
  • Technical support & hosting
screenshots of custom web-based accounting software

Applied Practice 

AP Curriculum Test Preparation

  • Nationwide 6-12th Test Prep
  • Multiple standardized test formats
  • Admin, teacher, & student roles
  • Custom homework assignments
  • Classroom scores
  • Online gradebook
screenshots of educational software application

Risk Centric Security®

Quantitative Risk Analysis Tools

  • Analytics toolbox of calculators
  • BetaPERT calculator
  • Monte Carlo Simulator
  • High Speed Iteration
  • User & admin dashboards
  • Secure database architecture
  • Full life cycle support
screenshots of web-based monte carlo simulation and histograming software


Secure Electronic Document Delivery

  • Nationwide B2B and B2C
  • Simple sign-up service
  • High performance application
  • Multi-user permissions
  • Secure database architecture
  • Full life cycle support
screenshots of web based document tracking software

See OUR PORTFOLIO for more

If winning isn't everything, why do they keep score?
—Vince Lombardi Open Sky, keeping score since 2000.
Open Sky Software Floating Owl

Celebrating 23 Years of Successful Custom Web Applications

Open Sky Software is a custom web application development firm with experience in a variety of industries, including medical, finance, accounting, education, workflow automation, and more. The firm has software developers located in the silicon hills of Austin, Texas - the big city of Dallas, Texas - the high desert of Bend, Oregon - the emerald city of Seattle, Washington - and the windy city of Chicago, Illinois.

Read ABOUT US to learn more

Read about OUR CHARITIES too.