Useful tools

1.  ZoomIt: ZoomIt is a screen zoom and annotation tool for technical presentations that include application demonstrations. 
2. Devart SQL Complete: Code completion, refactoring and formatting tool.
3. sp_whoisactive: sp_whoisactive is a comprehensive activity monitoring stored procedure that works for all versions of SQL Server from 2005 through 2017.
4. sp_SQLskills_helpindex: Tool to get index information. sp_helpindex displays limited information. This tool displays lot of information like included columns, filters, etc.