kio-admin implements the admin:// protocol which gives administrative access to the entire system. This is achieved by talking, over D-Bus, with a root-level helper binary that in turn uses existing KIO infrastructure to run file:// operations in root-scope.

OBS Studio is designed for efficiently recording and streaming live video content. It supports live RTP streaming to various streaming sites.

Set of AMD specific device-side language runtime libraries, specifically: the Open Compute library controls, the Open Compute Math library, the Open Compute Kernel library, the OpenCL built-in library, the HIP built-in library, and the Heterogeneous Compute built-in library.

PETSc is the "Portable Extensible Toolkit for Scientific Computation", a suite of data structures and routines for the scalable (parallel) solution of scientific applications modeled by partial differential equations. It employs the MPI standard for all message-passing communication. Several sample scientific applications, as well as various papers and talks, demonstrate the features of the PETSc libraries.

Mirage-crypto provides symmetric ciphers (DES, AES, RC4, ChaCha20/Poly1305), and hashes (MD5, SHA-1, SHA-2).

Asn1-combinators is a library for expressing ASN.1 in OCaml. Skip the notation part of ASN.1, and embed the abstract syntax directly in the language. These abstract syntax representations can be used for parsing, serialization, or random testing.