FirstVersion takes you on a journey through time, recreating the first versions of today’s tech giants with AI, collaboratively refined and maintained by the community – and updated for free. You can also duplicate them for free and build your own versions.

PromptShield is an AI security platform that detects and defends against prompt injection, token abuse, jailbreaks & LLM threats — with live attack monitoring, threat feed, and red-teaming tools. Built for AI startups, red teams, and enterprises.