Grist - Grist makes it easy to transform spreadsheets into a custom database where data is truly actionable.
LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
Rows - The spreadsheet where teams work faster
Linqer - Linqer is a SQL to LINQ converter tool.
ActionDesk - Build powerful automations with just your spreadsheet skills
LINQ Insight - Execute LINQ Queries directly from Visual Studio without building the application. Verify your LINQ queries in a single click and view data with LINQ Insight!