| clibs/rgba | rgba color string parser | MIT |
| clibs/unlikely | gcc branch prediction macros | MIT |
| aperezdc/cflag | Non-allocating command line flag parser | MIT |
| clibs/commander | expressive argument parser | MIT |
| clibs/flag | Go style flag parsing | MIT |
| clibs/ms | millisecond parser / formatter util | MIT |
| clibs/bytes | byte-length parser / formatter util | MIT |
| clibs/term | terminal utilities | MIT |
| clibs/inih | INI parser | BSD |
| jb55/rotate-bits.h | bitwise rotations | Public Domain |
| jwerle/url.h | Parse URLs in C much like Node's url module. | MIT |
| doches/progressbar | A library for displaying command-line progress bars | BSD |
| jwerle/progress.h | Progress display lib for c | MIT |
| jwerle/repl.h | Create a repl with eval/print/error hooks with given stdin, stdout, and stderr streams | MIT |
| jwerle/getch.c | getch() implementation | MIT |
| jwerle/usleep.h | usleep implementation using poll() or select() | MIT |
| jwerle/libbacon | A C implementation of the Baconian Cipher ! BACON | MIT |
| jwerle/libbeaufort | A C implementation of the Beaufort Cipher | MIT |
| madmurphy/libconfini | Yet another INI parser | GPL-3.0-or-later |
| stephenmathieson/is-email.c | Loosely validate an email address | MIT |
| thlorenz/gumbo-parser.c | HTML5 parser | Apache License, Version 2.0 |
| thlorenz/log.h | Minimal yet colorful logging lib | MIT |
| sciascid/tree | convenient wrapper around BSD sys/tree.h. | BSD |
| clehner/chains | Markov chains | MIT |
| constellation/console-colors.c | Write formatted string to console with colors | BSD |
| stephenmathieson/expand-braces.c | Simple shell-like brace expansion | Unlicensed |
| stephenmathieson/wiki-registry.c | Turn a GitHub wiki page into a package registry | MIT |
| xythobuz/serial | POSIX serial port interface with optional flow control support. | MIT |
| clibs/mt19937ar | Mersenne Twister random number generator | BSD style |
| willemt/config-re | Data structure allows your program to be configured | BSD |
| brendanashworth/genpassword.c | Random password generating library | MIT |
| clibs/dumpasn1 | Displays contents of ASN.1 encoded data | Unlicensed |
| orangeduck/luaautoc | Automagically use C Functions and Structs with the Lua API | BSD |
| gioyik/color-sh | Display colors on your terminal | MIT |
| gioyik/c_printf | Color C lib for printf | MIT |
| gioyik/slim_color | Ultra simple C lib to output color | MIT |
| nsf/termbox | Powerful but simple library for writing text-based user interfaces | MIT |
| noporpoise/sort_r | Portable re-entrant qsort (qsort_r / qsort_s) | PD |
| kdmurray91/clogged | Configurable and pretty logging library | MIT |
| isty001/mem-pool | Dynamic memory pool implementation, for reusable fixed, or variable sized memory blocks, using pthread mutex locks | MIT |
| alebcay/metric | Macros for converting between metric and customary units | Public Domain |
| isty001/dotenv-c | .env loader for C | MIT |
| daddinuz/liblogger | DEPRECATED A logging library written in ANSI C | MIT |
| daddinuz/logger | A logging library written in C99 | MIT |
| ararslan/termcolor-c | Header-only ANSI C library for colored text output | 2-Clause BSD |
| daddinuz/arena | Region based, expandable, memory allocator | MIT |
| abranhe/mergesort.c | Merge sort algorithm implementation | MIT |
| bonedaddy/ulog | Lightweight and threadsafe logger with color coded text and optional file logging | agpl-v3 |
| aperezdc/clog | Simple logger which does not allocate memory and can be configured at runtime using environment variables. | MIT |
| clibs/linenoise | A minimal, zero-config, BSD licensed, readline replacement used in Redis, MongoDB, and Android. | BSD |
| matthewzito/lib.thread | Bespoke POSIX threads, mutexes, wait queues, thread pools, and semaphores for the C programming language. | MIT |
| matthewzito/lib.chron | Timers, hierarchical wheels, and event scheduling utilities. | MIT |
| promsize/memalign | Standard-like functions for pointer alignment | Unlicense |
