SmartXLS

SmartXLS, developed by SmartXLS, is a versatile Development Tool in the IDE subcategory that has garnered attention with its impressive feature set and ease of use. The latest version of this powerful tool is 1.8, and it comes in a compact file size of just 4.4 MB, making it lightweight and easy to install.

SmartXLS supports a wide range of operating systems including Windows XP, 7, 8, 10, and 11, ensuring broad compatibility for a large user base. Additionally, it offers multiple versions such as 2.2, and 1.8, accommodating various user requirements and preferences.

This high-performance .NET component excels in its ability to write, read, and calculate Excel-compatible files without necessitating Microsoft Excel on either the developer or client machines. It is entirely written in 100% managed C# code, which ensures robust performance and seamless integration.

Key features include its support for Unicode, allowing the handling of diverse character sets, and its ability to manage CSV files with various delimiters such as comma, tab, and semicolon. Users can open encrypted Excel files and manage multiple worksheets per file. The template support feature is particularly useful, allowing the creation of new workbooks using existing ones as templates.

SmartXLS also offers extensive cell data type options, including numbers, strings, dates, and floating points. Custom number formatting and merged cell regions enhance its usability. Rich cell styles like alignment, indentation, rotation, borders, and shading are easily manageable, along with advanced font formatting options. More

You may want to check out more software, such as GnuWin32: LibIconv, Greatis Form Designer.Net or QTVRControlX, which might be similar to SmartXLS.