Notepad++ is a free (as in “free speech” and also as in “free beer”) source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment, its use is governed by GPL License.
Free PDF viewer that allows simple editing (notes, …) of PDF files.
Create PDF files from all Windows applications via the print function.
WebLicht consists of a collection of web-based linguistic annotation tools, distributed repositories for storing and retrieving information about the tools, and this web application, which allows you to easily create and execute tool chains without downloading or installing any software on your local computer (https://weblicht.sfs.uni-tuebingen.de/WebLicht-4/).