What we do
Rustemsoft LLC is an independent software vendor founded in 2001. We develop software for .NET developers and other software professionals, with a focus on .NET code protection, assembly obfuscation, XML/XSD development, and developer productivity. Our products include Opaquer .NET Obfuscator, Skater .NET Obfuscator, XMLFox XML/XSD Editor, Refractor .NET Assembly Browser, Diagnosis API, and Private Keys Depot.
Rustemsoft LLC is a creative ISV (Independent Software Vendor) specializes in intelligent software solutions for .NET developers and Medical Diagnostic APIs for web developers.
Rustemsoft LLC is dedicated to innovation and quality to expand our market share. To achieve this, we offer top-tier software tools at highly competitive prices, available through our resellers and worldwide.
Customers consistently select Rustemsoft for the exceptional quality and reliability of our .NET software solutions and Medical Diagnosis application design. Those who delve deeper, getting to know us beyond our products, choose Rustemsoft for our philosophy, as it truly resonates with them.
Rustemsoft software products are used by commercial enterprises, government agencies and educational institutes.
Rustemsoft software has streamlined costs while enhancing interface completion and managing complexity. Here is a representative list of Rustemsoft Skater .NET Obfuscator Ultimate Edition users, in the United States and Worldwide.
Our Expertise
.NET code protection
.NET obfuscation, assembly protection, reverse-engineering resistance and application security.
Diagnosis Web APIs
APIs and software solutions for specialized application development.
XML Development
XML, XSD editing, validation and transformation.
Software Support
Technical support for Rustemsoft software products.
Rustemsoft products
Tools for developers
Six products spanning .NET code protection, assembly inspection, XML tooling, and an AI diagnosis API - from paid professional editions to tools that are free to use.
Opaquer .NET Obfuscator
.NET Obfuscator & Code Protection
Professional .NET code protection and obfuscation for .NET Framework and modern .NET applications.
More about Opaquer
Opaquer .NET Obfuscator protects .NET applications and assemblies against reverse engineering through name obfuscation, string encryption, control-flow obfuscation, WPF BAML encryption, code virtualization, digital watermarking, and other protection techniques. It supports modern .NET as well as .NET Framework applications.
Diagnosis API
Patient medical diagnosis
An AI inference engine that distinguishes a particular health condition from others presenting similar symptoms and lab test results.
More about Diagnosis API
The DDxHub Diagnosis API serves as an AI inference engine explicitly designed for differential diagnosis (DDx) - the clinical process of distinguishing a specific disease or health condition from others that present with similar symptoms and laboratory test results.
Skater .NET Obfuscator
.NET securing tool
An all-in-one .NET protection solution with a graphical interface that can also run as a standalone console application.
More about Skater
Skater .NET Obfuscator is an all-in-one .NET protection solution that offers a graphical interface and can also operate as a standalone console application. The predecessor to Opaquer .NET Obfuscator, trusted by developers worldwide for .NET code protection.
Refractor
Freeware
A .NET assembly browser and decompiler for in-depth examination of assemblies, both DLL and EXE.
More about Refractor
Refractor is a freeware .NET assembly browser and decompiler for in-depth examination of various types of assemblies, both DLL and EXE.
XMLFox
Free XML and XSD Schema Editor
Features full XSD validation, but doesn't require a separate XSD (XML Schema Definition) file.
More about XMLFox
XMLFox is a free XML editor that includes a comprehensive set of XML tools for transforming and manipulating XML and XSD schema files. Features full XSD validation without requiring a separate XSD file.
Skater .NET FREE
FREE .NET Obfuscator
The charge-free Light Edition of Skater .NET Obfuscator, for .NET code protection at no cost.
More about Skater .NET FREE
Charge-free Light Edition of the well-known Skater .NET Obfuscator - a free obfuscation tool for .NET code protection, available on the Visual Studio Marketplace. Skater is the predecessor to Opaquer and remains available for existing projects.
Explore our .NET resources
Learn about .NET code protection
Rustemsoft publishes practical resources about .NET obfuscation, assembly protection, reverse-engineering protection, WPF protection, string encryption, and related software security topics.
Frequently asked questions
About Rustemsoft
Answers to common questions about our .NET protection tools, free utilities, and how to reach us for support.