sourceforge provides free & fast open source software downloads and development, and business software reviews and comparisons featuring the largest open source and business software directory.

home page of the apache software foundation

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

debian is an operating system and a distribution of free software. it is maintained and updated through the work of many users who volunteer their time and effort.

isc2 is the world’s leading member association for cybersecurity professionals. our members, candidates and associates are leading the cybersecurity profession and safeguarding the way we live by creating a safe and secure cyber world.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

codeberg is a non-profit, community-led organization that aims to help free and open source projects prosper by giving them a safe and friendly home.