A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP…

AddressSanitizer, ThreadSanitizer, MemorySanitizer

The single instruction C compiler

A copy of the Lua development repository, as seen by the Lua team. Mirrored irregularly. Please DO NOT send pull requests or any other stuff. All communication should be through the Lua mailing lis…

A maintained ctags implementation

Redshift adjusts the color temperature of your screen according to your surroundings. This may help your eyes hurt less if you are working in front of the screen at night.

A small self-contained alternative to readline and libedit

fake keyboard/mouse input, window management, and more

Read-only git conversion of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.

Spike, a RISC-V ISA Simulator

One true awk

The Witchcraft Compiler Collection

CommonMark parsing and rendering library and program in C

Plan 9 from User Space

The venerable cdecl, with Apple blocks support

comparing the c ffi (foreign function interface) overhead on various programming languages

chw00t - Unices chroot breaking tool

🥜 A Self-Compiling C Transpiler Targeting Human-Readable POSIX Shell

Portable OpenBSD ksh, based on the Public Domain Korn Shell (pdksh).

github.com/cznic/cc has moved to modernc.org/cc

Public domain POSIX make

Computes cyclomatic complexity metrics on C cource code