MaCoPiX (Mascot Constructive Pilot for X) is a desktop mascot application for UNIX / X Window system. You can make window sitters, fixed desktop mascots, and, furthermore, desktop clock mascots, using MaCoPiX.

Pure Python QR Code generator with no dependencies.

age features small explicit keys, no config options, and UNIX-style composability.

µMPS is an educational computer system architecture and an accompanying emulator designed from the ground up to achieve the right trade-off between simplicity and elegance on one side, and realism on the other. This makes µMPS ideally suited for use in education, such as hands-on operating systems or computer architecture university courses.

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.

tomboy-ng notes allows easy management of a large or small set of notes. Notes can contain a range of font sizes, bold, italic and highlight. Available for Linux, Windows amd Mac and easy sync between them. This is the QT5 based version.