The Openwall project maintains also a list of algorithms and source code which is public domain software.1
LWN.net reviewed Openwall Linux 3.0.2 They wrote:
The first question most people will have is: what is so "security-enhanced" about Owl? Aren't major Linux distributions such as Red Hat Enterprise Linux, Ubuntu, openSUSE, and so on secure? Of course, they continuously patch known security vulnerabilities and some of them (Red Hat in particular) implement security features to decrease the impact of vulnerabilities, but none of them really are focused on preventing vulnerable software from getting into the distribution in the first place.
Main article: ru:International Journal of Proof-of-Concept
Issues of the International Journal of Proof-of-Concept or Get The Fuck Out (PoC||GTFO) are mirrored by the Openwall Project under a samizdat licence.3 The first issue #00 was published in 2013, issue #02 featured the Chaos Computer Club.4 Issue #07 in 2015 was a homage for Dr. Dobb's Journal, which could be rendered as .pdf, .zip, .bpg, or .html.5
Source code snippets and frameworks placed in the public domain on openwall.info https://openwall.info/wiki/people/solar/software/public-domain-source-code ↩
Openwall Linux 3.0: Linux for the security-conscious [LWN.net] https://lwn.net/Articles/421540/ ↩
"International Journal of PoC || GTFO issues". Openwall Project. Retrieved 2015-03-21. https://openwall.info/wiki/people/solar/pocorgtfo ↩
"PoC||GTFO or PoC or GTFO". alchemistowl.org. Retrieved 2016-04-15. https://www.alchemistowl.org/pocorgtfo/ ↩
"Vier-in-eins - Poc||GTFO". lost+found (in German). Heise security. 2015-03-20. Retrieved 2016-04-17. http://heise.de/-2582025 ↩