As a Qt Service Partner, Crossware has special expertise in system and software architecture consultancy and development, responsive interface development for any platform, creation of complex connected devices including network communication and backend implementation, and multimedia integration and extension. They also provide test strategy support and implementation, error analysis, bugfixing, optimization, training, and coaching​. They have supported The Qt Company in several projects and have implemented projects based on Qt for MCUs, a lighter version of the mainstream Qt designed for devices with lower hardware availability.

They have developed Slint, a toolkit to efficiently develop fluid graphical user interfaces for any display, supporting multiple programming languages such as Rust, C++, and JavaScript. They have created various products based on Slint, requiring additional in-depth expertise for data management and multi-backend bidirectional Audio/Video communication and implementation for specific hardware​.

Crossware provides software development services for embedded devices utilizing C++, Qt, Flutter, or Slint, with solutions optimized for performance, reliability, and user experience​. Their MCU solutions software development services offer optimized software solutions for microcontroller-based devices. They are proficient in various programming languages and platforms, including C, C++, Assembly, and RTOS (Real-time operating systems), and offer end-to-end software development services, including testing and validation​.

The information regarding the remaining services such as testing, training, BSP porting, and mobile/web/desktop development was not retrieved during the research process due to time constraints. Further research is needed to provide comprehensive information on these services.