Quartzite is an AI productivity app / Prompt IDE that allows you to interact with Large Language Models (LLMs) such as Open AI’s GPT-4, or Google’s Gemini.
Cost / License
- Paid
- Proprietary
Platforms
- Online

Khoj is described as 'Open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers' and is a AI Chatbot in the ai tools & services category. There are more than 100 alternatives to Khoj for a variety of platforms, including Web-based, Mac, SaaS, Windows and Android apps. The best Khoj alternative is ChatGPT, which is free. Other great apps like Khoj are Lumo by Proton, DeepSeek, Mistral Le Chat and Perplexity.
Quartzite is an AI productivity app / Prompt IDE that allows you to interact with Large Language Models (LLMs) such as Open AI’s GPT-4, or Google’s Gemini.

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