Alternatives to KnowTree

Visual knowledge base with AI Tutor for guided deep learning and research

Otio is a persistent AI research workspace for hundreds of sources, every answer cited.

Multi-model AI chat for side-by-side comparisons, OCR, and web research in one workspace.

Open research workspace uniting agentic AI research, LaTeX writing, and notebooks.

IKI AI: AI-native knowledge workspace for research, summarizing and connecting your content

AI search engine with cited answers across multiple models.

AI visual workspace that turns messy thinking into polished deliverables

Consolidate GPT, Claude, Gemini, Perplexity & Grok into one governed AI workspace for teams

Cited, synthesized search answers for Chinese-language research.

Open-source AI workbench for scientific research with custom LLMs

Multi-LLM deliberation app for macOS: pose one question, get blind peer-reviewed answers and a divergence score.

AI research assistant for searching, citing, and drafting from peer-reviewed papers

Chatbot AI Assistant: 5 AI models in one mobile app

AI grants department: finds funders, drafts in your voice, tracks every deadline

GAJIX is an AI learning platform that builds a personalized curriculum for any subject, adapting in real time to your learning style.

Multi-model AI workspace merging ChatGPT, Notion, and Gamma into one editable canvas.

Private AI workspace with multi-model chat, credit-based pricing, no rate limits.

Free, zero-knowledge browser markdown editor for prompt testing and multi-model comparison.

300+ AI models, image & video tools in one $20/mo AI workspace

Chat with any webpage: summarize, translate, and write in a multi-model AI sidebar.

Open-access platform for reproducible AI and world model research.

Moonshot AI's agentic workspace for coding, research, and knowledge work.

Multi-model AI chat with GPT, Claude, Gemini, Llama, DALL·E, and Stable Diffusion

A visual, code-first O'Reilly guide to building and refining large language models.

AI co-scientist for biomedical research: multi-omics, drug discovery, and lab protocol reasoning

Multi-model AI chat for iPhone — Claude, ChatGPT, Gemini & Grok in one free app.

Lorka AI: multi-model chat aggregator with image generation & local CLI

Free, open-source desktop app for side-by-side AI model comparison.

Multi-model AI chatbot for Apple devices with document chat and image generation.

Multi-model AI chat, writing, images, web search, and music in one app for iPhone and Mac.