From "Artificial intelligence is ineffective and potentially harmful for fact checking" (2023) https://news.ycombinator.com/item?id=37226233 : pdfgpt, knowledge_gpt, elasticsearch :

> Are LLM tools better or worse than e.g. meilisearch or elasticsearch for searching with snippets over a set of document resources?

> How does search compare to generating things with citations?

pdfGPT: https://github.com/bhaskatripathi/pdfGPT :

> PDF GPT allows you to chat with the contents of your PDF file by using GPT capabilities.

GH "pdfgpt" topic: https://github.com/topics/pdfgpt

knowledge_gpt: https://github.com/mmz-001/knowledge_gpt

From https://news.ycombinator.com/item?id=39112014 : paperai

neuml/paperai: https://github.com/neuml/paperai :

> Semantic search and workflows for medical/scientific papers

RAG: https://news.ycombinator.com/item?id=38370452

Google Desktop (2004-2011): https://en.wikipedia.org/wiki/Google_Desktop :

> Google Desktop was a computer program with desktop search capabilities, created by Google for Linux, Apple Mac OS X, and Microsoft Windows systems. It allowed text searches of a user's email messages, computer files, music, photos, chats, Web pages viewed, and the ability to display "Google Gadgets" on the user's desktop in a Sidebar

GNOME/tracker-miners: https://gitlab.gnome.org/GNOME/tracker-miners

src/miners/fs: https://gitlab.gnome.org/GNOME/tracker-miners/-/tree/master/...

SPARQL + SQLite: https://gitlab.gnome.org/GNOME/tracker-miners/-/blob/master/...

https://news.ycombinator.com/item?id=38355385 : LocalAI, braintrust-proxy; promptfoo, chainforge, mixtral