TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.
Nmap - the Network Mapper. Github mirror of official SVN repository.
ZMap is a fast single packet network scanner designed for Internet-wide network surveys.
memory scanner for Linux
ZBar is an open source software suite for reading bar codes from various sources, including webcams. This is the main repository for reporting issues and send PRs. There's a clone at at https://git.linuxtv.org/zbar.git/, and another one at https://gitlab.com/mchehab_kernel/zbar.
Apache Block Bad Bots, (Referer) Spam Referrer Blocker, Vulnerability Scanners, Malware, Adware, Ransomware, Malicious Sites, Wordpress Theme Detectors and Fail2Ban Jail for Repeat Offenders