ALTCHA
ALTCHA is a self-hosted, privacy-first security solution that protects your websites, APIs, and online services from spam and abuse through an innovative proof-of-work mechanism. Unlike traditional CAPTCHAs that depend on intrusive methods like cookies or fingerprinting, ALTCHA delivers robust protection while respecting user privacy.
LMArena
LMArena is a public, web-based platform that evaluates large language models (LLMs) through anonymous, crowd-sourced pairwise comparison
