Semgrep : Semgrep is a fast, open-source, static analysis tool that searches code, finds bugs, and enforces secure guardrails and coding standards. Semgrep supp...
BlackBox : Safely store secrets in a VCS repo (i.e. Git, Mercurial, Subversion or Perforce).
Copyscape : Website Plagiarism Search - Web Site Content Copyright Protection
OpenDNS : The safest, smartest, fastest and most reliable DNS on the planet.
OverTheWire: Wargames : The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of fun-filled games.