Below is a timeline of major events concerning this Web site.

• November 21, 2025: The new WISPL Web site is now "live"
• October 14, 2025 The RAG application is now online at vttoth.com
• August 13, 2025 PDF-as-image support added to chatbot
• September 12, 2025 Support added for locally run small LLMs
• July 18, 2025 The rPPG demo application is now online at vttoth.com
• July 7, 2025 Vision support added to chatbot for multimodal models
• November 18, 2023 Core UI features of chatbot completed
• June 12, 2023 The LLM chatbot is migrated to WISPL.COM
• June 5, 2023 Chatbot project now on GitHub (private)
• April 18, 2023 Tool use (Google, Maxima) by chatbot LLMs implemented
• March 31, 2023 The WISPL LLM chatbot is created
• June 18, 2016 WISPL.COM is created (originally for a different purpose)