A flutter pluplug-in, also called add-on or extension, computer software that adds new functions to a host program without altering the host program itself. Widely used in digital audio, video, and Web browsing, plug-ins enable programmers to update a host program while keeping the user within the program’s environment.

Plug-ins first gained popularity in the 1990s as software and microprocessors became more powerful. One of the first programs to make extensive use of plug-ins was Adobe Photoshop, an image-processing and editing program. Early plug-ins provided enhanced functions such as special effects, filters, and other options for manipulating images within Photoshop.gin package which will be very useful to communicate with native code from flutter