# MIT Soft Solutions — Commercial Desktop POS & Accounting ERP Systems > High-performance offline-first desktop POS, inventory, and enterprise accounting software systems powered by .NET 10 Windows 64-bit and Microsoft SQL Server. Zero cloud latency, lifetime data sovereignty, and robust multi-product license management. ## Products & Software Suites - [AccuPerfect ERP](https://pos.mitsoftsolutions.com/pages/accuperfect_landing.php): Mathematically pure double-entry general ledger (GL) accounting ERP with UAE 5% VAT, 9% Corporate Tax, FTA 201 returns, FTA audit files (FAF), multi-dimensional Cost Centers, and Vehicle Fleet Logistics (P&L, maintenance, depreciation). - [PharmaSys POS](https://pos.mitsoftsolutions.com/pages/pharmacy_landing.php): Pharmacy point-of-sale system featuring batch-level First-Expiry-First-Out (FEFO) expiry tracking, split payments (Cash & Bank/Card), manufacturer autocomplete, and automated financial ledgers. - [MIT Stock Manager](https://pos.mitsoftsolutions.com/pages/stock_manager_landing.php): Retail POS and wholesale inventory management system with unit packaging conversion multipliers, customer credit ledger wallets, and multi-channel cashbook reconciliation. - [Snooker Manager POS](https://pos.mitsoftsolutions.com/index.php): Specialized billiards hall, pool room, and snooker club timer billing, member tracking, and operational management POS. ## Desktop Architecture & System Requirements - **Operating System:** Microsoft Windows 10 / Windows 11 (64-bit, win-x64). - **Framework & Runtime:** .NET 10.0 Windows (net10.0-windows). - **Database Engines:** Microsoft SQL Server / LocalDB / SQL Express (AccuPerfect), SQLite in WAL mode (PharmaSys POS). - **Data Sovereignty:** 100% offline-first desktop architecture with local database ownership, zero third-party cloud lock-in, and automated encrypted local backups. ## Licensing & Administration - [Client Portal](https://pos.mitsoftsolutions.com/client_portal/index.php): Self-service license renewal, payment proof uploads, and device machine activation management. - [Administrative Portal](https://pos.mitsoftsolutions.com/login.php): Centralized multi-product license generator, feature key provisioning, and payment verification. - **License API:** Secure REST endpoints utilizing AES-256-CBC payload encryption and SHA-256 integrity verification. ## Full Technical Documentation - [llms-full.txt](https://pos.mitsoftsolutions.com/llms-full.txt): Complete architectural reference, database schemas, feature key matrix, double-entry invariants, and API documentation for autonomous AI agents and technical evaluators.