** 1. Speradsheet Engine:** An Excel like spreadsheet module in which all reports are visually designed. It should fully support formulas both at the design stage and in the final output (if required). It should be display and printer friendly with automatic page numbers, header/ footer rows, page zooming and centering, PDF printing and export for web. Spreadsheet module will also be used to design UI, data entry forms for grids, data filter controls. Must be high speed with sheet level and row level optimizations.
2. Database Engine: It should fully support the use of indexes in developing the core business logic. It should have low network latency and connection resumption even after long idle time and network breakdown. It should have full data modification logs, with Undo and Redo features.
3. Multi-platform: It should work seamlessly on Web browsers, Mobile, Windows Desktop, Linux, Android etc.
4. Security: It should be fully secure and hacker proof. It can have an Online IDE for source code review, testing and compiling.
5. Filter Control: There should be a central filter UI control for data entry forms and reports.
6. UI should support high speed grid like data entry, with in built sorting and filtering.
7. Expression Evaluation engine for filter expressions and formulas.
- Should support full data import and export via clipboard, excel, etc.
9. Customizable and extensible in other programming languages (C++, etc).
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