Project file created with TaskJuggler, an open source project management tool; used for managing and analyzing tasks, resources, costs, productivity, etc.

TJP files are saved as textual documents written in a proprietary declarative programming language. Each file consists of a root project file and the contents of sub-files included in the main file.

File format developed by the Berkeley Digital Library Project that stores multiple images in a single file; influenced by the Kodak FlashPix format and partially based on the GridPix format also developed by University of California, Berkeley.