5 tools to build your AI second brain:

1. Mem0 - gives your AI long-term memory across conversations

2. NotebookLM - turns your files and notes into a research assistant

3. Readwise Reader - collects articles, PDFs, highlights and knowledge in one place

4. Obsidian - stores your personal knowledge locally and links everything together

5. n8n - automates the flow between your notes, AI, email, documents and apps

Save this if you're serious about organizing alpha and research.