LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
Grist - Grist makes it easy to transform spreadsheets into a custom database where data is truly actionable.
Snippet Compiler - Authors description: "Snippet Compiler compiles snippets."
Rows - The spreadsheet where teams work faster
Linqer - Linqer is a SQL to LINQ converter tool.
UProc for Sheets - Boost your sales, marketing and IT tasks from Google Sheets