Projects

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Accessibility:

libpassphrase: personalisable library for TTY passphrase reading

Algorithms:

binary-multisearch.h: algorithm for efficiently searching for multiple items
hungarian-algorithm-n3: minimum bipartite matching algorithm

Application libraries:

*libcontacts: a library for handling a simple, flexible contact list

Applications:

blue: print a table of when the blue hour, the golden hour, or whatever you want occurs
*contacts: a collection of utilities for inspecting and manipulating your contact list
ffutils: collection of ffmpeg(1) scripts
learn-your-telephone-number: a program to help you learn your telephone number
*metar: trivial, yet fully fledged, weather report
mongoclock: just a humongous clock for the terminal
mongotimer: a humongous timer or stopwatch for the terminal
*read-quickly: read plain-text files in blazing speed

Astronomy and geography:

libgeome: locate local user's geographical location
libred: solar elevation and blackbody colour calculation library
libtellurian: geodesy library
*solar-python: solar data calculation and prediction library for Python

Compiler software:

libparser: right-context-sensitive grammar parsing library

Desktop software and themes:

simple-icon-theme: a very simple icon theme
xcman: minimal compositing manager for X
xkbdbind: global hotkeys for X
xpybar: a highly extensible minimalistic dock panel

Developer tools:

auto-auto-complete: autogenerate shell auto-completion scripts
base-util-tests: correctness tests for the base utilities
git-rediff: reduce partially resolved merge conflicts
gpp: Bash-based preprocessor for anything
loc: simple C code line counter
makeenv: run make(1) with environment loaded from .makeenv

Distribution core:

licenses: collection of licenses

Examples:

rotation3d: example of how to do rotation in three dimensional space

Graphics:

coopgammad: cooperative gamma server
- libcoopgamma: cooperative gamma library
  - pylibcoopgamma: Python 3 wrapper for libcoopgamma
*libclut: C library for manipulating colour lookup tables
*libcolour: C colour space library
libgamma: display server abstraction layer for gamma ramps
- jlibgamma: Java wrapper for libgamma
- libgammamm: C++ wrapper for libgamma
- pylibgamma: Python 3 wrapper for libgamma
liblss16: C library for the SYSLINUX “ad hoc” LSS16 image format

Hardware utilities:

adjbacklight: convenient method for adjusting the backlight on your portable computer
*cg-tools: cooperative gamma-enabled tools
crt-calibrator: CRT monitor calibrator utility for Linux VT
deadshred: override the contents of a device that may be broken
nightshift: a terminal user interface for redshift
radharc: reduce eye strain and improve sleep
unstickpixels: screen loop to try to unstick stuck dots

Interface libraries:

libterminput: terminal input parsing library

Interprocess communication:

bus: a simple daemonless system for broadcasting messages locally
- python-bus: Python 3 module for bus

Just for fun:

doughnut.py: doughnut shaped Python 3.8 code that animates a doughnut

Security:

anysum: checksum utility supporting multiple hash functions
asroot: a simpler alternative to sudo and doas
- editasroot: edit a file that requires root access
blakesum: checksum utilities for the BLAKE-family of hashing functions
file2key: a simple command that generates a key from a file and a passphrase
key2root: authenticate with keyfile and run a process as root
libar2: library for the Argon2-family of hashing functions
- libar2simplified: façade for libar2
libblake: library for the BLAKE-family of hashing functions
libenv: environment sanitation library
libhashsum: library for calculating the cryptographic hashes
*libkeccak: Keccak-family, including SHA-3, hashing library
libsha1: SHA-1 and SHA-0 hashing library
libsha2: SHA-2-family hashing library
sha3sum: SHA-3 and Keccak checksum utility

Support libraries:

liberror: C library for custom errors
- liberror-backtrace: backtrace support for liberror
libhaiku: poetic error messages
*libsimple: a bunch of C functions that are useful when writing simple code
python-arg: a simple argument parser for Python
slibc: yet another C standard library

System software:

alsause: set default ALSA PCM device
coreupdown: dynamically turn all non-main CPU's on and off
sleeping-getty: do not start a fullblown getty before it is necessary
sysrss: let your system generate a maintenance notification RSS

Tests and research:

malloc-vs-new: pipe(7) is slower than unix(7)
pipes-are-slow: malloc(3) is faster than new in C++

Text libraries:

libfonts: library for font listing, searching, and configurations
*libglitter: subpixel-rendering library
libparsepcf: C library for interpreting PCF (Portable Compiled Format) font files
libparsepsf: C library for interpreting PSF (PC Screen Font) files
libparsesfnt: C library for parsing SFNT (scalable/spline font) files
librifunktionsteckensnittsglyfrasteriseringsprogrambiblioteket: font rasterisation library
libskrift: text drawing library using libschrift
*libtracebitmap: C library for converting bitmap graphics into vector graphics

Utilities:

alarm: schedule an alarm for a program when starting it
bfind: find(1) variant optimised for finding files rather than listing files
exec-as: a command that lets you start another command with any argv[0]
krandom: Keccak-based userspace pseudorandom number generator
median: calculate the median values for a set of groups
nokeyrings: spawn a new program and hide the user's keyrings from it
optimised-true: optimised implementations of true(1) and false(1)
orphan-reaper: place subreapers in your process tree to keep it structured
pdeath: run a command that is killed when its parent dies
setpgrp: commands providing access to the setpgrp and getpgrp system calls
slack: control your timer slack
sleep-until: sleep until a specified time
sshexec: SSH wrapper that makes it easy to run commands directly in the SSH command
timeprefix: prefix each line with the time it as written
vtchs: listen for console switches
xtest: variant of test(1) that can test multiple files from cmdline or stdin
yes-silly: yes(1), silly edition

* marks stable projects that are not completely finished but are not actively being worked on, if you want something to do, take a look at them, with a few exceptions, they shouldn't be too difficult, but at the same they shouldn't be too trivial.

Tips

Hardening yaourt(8)

Philosophy

C mastery

Critique of C++

Until you've seen a real assembly project, you haven't seen clean code.
Until you've seen a real C++ project, you haven't seen nightmare code.
That is the cost of abstraction.

Bad UX ideas

Harmful reading (or at least a waste of time)

Code That Fits in Your Head (Mark Seemann)

Mattias Andrée

Location

Contact