Brackets is a free open-source editor written in HTML, CSS, and JavaScript with a primary focus on Web Development. It was created by Adobe Systems, licensed under the MIT License, and is currently maintained on GitHub. Brackets is available for cross-platform download on Mac, Windows, and Linux.On November 4, 2014, Adobe announced the 1.0 release of Brackets. The update introduced new features such as custom shortcut key combinations and more accurate JavaScript hinting.