dbForge SQL Complete is an add-in for SQL Server Management Studio and Visual Studio that speeds up SQL code writing, offers context-based smart suggestions, performs automatic formatting, refactoring and a lot of other things that save your time and effort in the database development process.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
ApexSQL Complete - ApexSQL Complete can automatically fill in SQL keywords, statements and identifiers.
Atom - At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.
ApexSQL Doc - ApexSQL Doc creates database documentation in a variety of formats.
Netbeans - NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.