dbForge SQL Complete is described as 'useful add-in for SQL Server Management Studio and Visual Studio. Free and paid editions of the tool offer the powerful autocompletion and formatting of T-SQL code that replaces native Microsoft T-SQL Intellisense' and is a very popular app in the development category. There are nine alternatives to dbForge SQL Complete for Windows, Linux, SQL Server Management Studio, Microsoft Visual Studio and Mac. The best alternative is DataGrip. It's not free, so if you're looking for a free alternative, you could try SSMSBoost. Other great apps like dbForge SQL Complete are ApexSQL Complete, Toad for SQL Server, SQL Prompt and SQL Doc by Red Gate.
ApexSQL Complete can automatically fill in SQL keywords, statements and identifiers. It integrates seamlessly with SSMS and MSVS. ApexSQL Complete helps with object script and description reviews without coding interruption.
SSMSBoost enhances SQL Server Management Studio and adds features like export to excel, results grid search, sessions history, destructive DML guard, go to definition, connections manager and many other.