Open Source Unix Shell Software Development Software

testssl.sh is a free command-line tool that checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more. testssl.sh is free and open-source software. You can use it under the terms of GPLv2, please review the License before using it. Works for Linux, Mac OSX, FreeBSD, NetBSD and WSL/MSYS2/Cygwin out of the box, no need to install or configure something, no gems, CPAN, pip or the like. OpenBSD only needs bash to be postinstalled. You can test any SSL/TLS enabled and STARTTLS service, not only webservers at port 443. Several command line options help you to run your test and configure your output. If a particular check cannot be performed because of a missing capability on your client side, you'll get a warning. You can look at the code, see what's going on and you can change it.

antigift could be used for encryption files & folders on USB-flash or HDD partition. Works on Linux (including Android), Windows, Mac OS X, FreeBSD, DragonFly BSD and other on OSes. Do not required installation. Include WIPE tool for wiping free space and tool for recovery forgotten key. See documentation at http://sourceforge.net/p/antigift/wiki/Home/ antigift простой и кросс-платформенный инструмент для шифрования файлов и папок(с ccrypt в качестве основы) Подробности см. на страничке с русской документацией http://sourceforge.net/p/antigift/wiki/rus/

cstem is a portable toolkit for probing and testing C/C++ system. It consist of 4 scripts: cprobe, cltest, cppdef, mkdep. cstem scripts can be used standalone or as part of software build systems. All scripts are portable and have no dependencies. See wiki for more information and examples.

pofig - portable shell script for probing base system properties: OS, OS version, kernel version, distro, distro version, architecture. It detects: 19 operating systems, 11 major linux distros, 13 CPU types. See wiki for more information and examples.

cmdok checks that specified commands are OK. If command is OK than it exists in PATH and can be run. It is a simple, small and portable Bash script. It is useful in software packages that want to check that some commands exist before trying to run them. See wiki for more information and examples.