For backend development, we use PHP, NodeJS, .NET, Ruby, Laravel, Codeigniter, Rails, ExpressJS, Symfony, MySQL, MariaDB, SQL Server, PostgreSQL, and Redis. For frontend development, we use Angular, React, VueJS, Svelte, ESLint, Redux, TypeScript, Sass, npn, Redis, webpack, react router, VueX, MaterialUI, Bootstrap, Nuxt, and AntDesign. For unit testing, we use Selenium. For mobile app development, we use Flutter, Swift, Native, and Kotlin. For UI/UX design, we use Figma UI/UX, Adobe Photoshop, Premiere Pro, Illustrator, and XD. For hardware design, we use CAD/CAM, Prototyping, 3D Printing, and CNC.