prompts.chat is a large, community-curated collection of ready-to-use prompt examples for AI chat models (originally ChatGPT), packaged as a browsable site, downloadable datasets, a self-hostable prompt library, and integrations like a CLI, Claude Code plugin, and MCP server.

A community-maintained archive documenting the leaked and extracted system prompts of major commercial AI chatbots and coding agents — Claude, ChatGPT, Gemini, Grok, Perplexity, Copilot and others — organized by vendor, model version, tool, and persona, often with diffs between releases.

A curated, community-maintained "awesome list" of system design learning resources—articles, books, videos, and tooling—aimed at distributed-systems and microservices interview prep and architecture design. It catalogs links rather than providing original content, organized from introductory to advanced topics plus a tools directory of databases, caches, and message brokers.