Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC).

Optuna is a Python library for hyperparameter (or other "black box") optimization. Being framework-independent, it works with a variety of deep learning frameworks.

bottom (executable name btm) is a customizable graphical process/system monitor for the terminal, inspired by gtop, gotop, and htop.

Free and open source project to monitor systems. The project can be used with Centreon and all monitoring software compatible with Nagios plugins.

Zint is a barcode encoding and image generating library. It currently features support for over 50 symbologies including Australian Post 4-state codes (redirect, reply-paid, routing, standard customer), Aztec Code (ISO 24778), Aztec Runes, Channel code, Codabar, Code 11, Code 128 (ISO 15417), Code 16k, Code 2 of 5 (Data Logic, IATA, Industrial, Interleaved, Matrix), Code 32 (Italian Pharmacode), Code 39 (ISO 16388), Code 39 Extended, Code 49, Code 93, Code One, Databar (Expanded, Expanded Stacked, Limited, Stacked Omnidirectional), Data Matrix (ISO 16022), Deutsche Post (Identicode, Leitcode), Dutch Post KIX, EAN-14, European Article Number (EAN), Facing Identification Mark (FIM), Flattermarken, Grid Matrix, ITF-14, International Standard Book Number (ISBN), Japanese Postal Barcode, Korean Postal Barcode, LOGMARS, Maxicode (ISO 16023), MicroPDF417 (ISO 24728), Micro QR Code, MSI Plessey, NVE-18, PDF417 (ISO 15438), Pharmacode (2-track, Zentralnummer (PZN)), PLANET, Postnet, QR Code (ISO 18004), Royal Mail 4-state Barcode, Telepen, Telepen Numeric, UK Plessey, Universal Product Code (UPC-A, UPC-E), USPS Intelligent Mail as well as HIBC.

This package provides several tools to parse and format delimiter-separated values, most commonly comma-separated values (CSV) or tab-separated values (TSV).