New York · Award-winning custom software development
OpenSource Technologies (OST) is a custom software development company serving New York businesses. We help companies transform their online presence, deliver meaningful mobile experiences, and ship efficient software that saves time and money. Technology partner to startup entrepreneurs, small businesses, corporations, ad agencies, IT firms, and channel partners.
Industries we serve in New York
New York concentrates media, financial services, education, and healthcare. Our engagement model adapts to NY-specific compliance environments (NYC accessibility law, FERPA, FINRA), with deeper presence in media and education.
Education
Custom CMS platforms, alumni directories, ADA-conformant and NYC Local Law 12-friendly builds for K-12 districts, CUNY-affiliated programs, and private colleges across NY.
Education vertical →Nonprofit & civic
Multi-year engagements for advocacy organizations and civic-tech platforms based in Manhattan and the broader NYC metro area.
Nonprofit vertical →Healthcare & wellness
HIPAA-aware platforms, telemedicine-adjacent tools, and medical directory infrastructure for NY-based health-sector clients.
Healthcare vertical →Real estate technology
Multi-tenant SaaS, brokerage tools, property platforms. Notable presence with NYC commercial real estate technology operators.
Real Estate vertical →E-commerce
Custom commerce platforms for NY-based fashion, beauty, food, and specialty retailers operating B2C and B2B channels.
E-commerce vertical →Manufacturing & B2B
Embedded engineering teams for NY-based industrial logistics platforms, B2B safety-tech, and specialty manufacturing operators.
Manufacturing vertical →Why New York businesses choose OST
Our teams of strategists, designers, and developers serve clients around the world. With over 500 web and mobile applications and software solutions delivered, we have proven time and again that we can build software that works.
01 · eCommerce at scale
Our applications have processed over $10 billion in transactions, demonstrating we deliver eCommerce solutions that hold up in the highs and lows of online sales. Multichannel, omnichannel, or any production-ready eCommerce stack.
02 · UI / UX given great thought
Some users live in our applications all day. Some only once a month. Either way, the importance of a friendly, well-thought-through user interface does not change. We give UX serious weight on every engagement.
03 · SaaS expertise
SaaS application development differs from traditional software in several ways. As a SaaS development company, we bring expertise across FMCG, healthcare, funeral homes, nonprofit organizations, and many more business models.
04 · Open source where it makes sense
There is a lot of open-source software out there we can leverage to complete your mission. SugarCRM, Magento for eCommerce, and many others. We do not recreate the wheel where leverage exists. We reduce your operating costs by replacing antiquated systems with smart technology.
What clients say
“Not only was the development team technically proficient, but they also fostered an empathetic understanding of project goals and potential use. Developers seamlessly incorporated feedback and fostered smooth and reliable communication.”
“Through OpenSource Technologies Inc.'s efforts, users were able to effectively use the app's functionalities. The backend was very high-quality. Their communication and ability to deliver on time was fantastic.”
More named reviews on our testimonials page.
Compliance and NY procurement
New York state, NYC, county, and MTA procurement teams require defensible compliance posture. Our work meets the conformance standards typically asked for in NY SLED bids, including NYC Local Law 12 accessibility requirements.
Procurement officers can reach out via the contact form below to receive the full procurement packet, including capability statement and reference contacts.
New York-specific inquiries
Whether you are an NYC-based business evaluating vendors, an MTA contractor needing a partner for a public-facing build, or a state procurement officer running a SLED bid evaluation, we respond within one business day.
