ChatGPT
OpenAI · Free version · limited checksThe best-known AI chat for questions, writing, file analysis and image generation.
Use right away · Alternatives
Gemini Notebook (formerly NotebookLM) by Google belongs to the area “Use right away” on OROBO. Here are 8 alternatives from the same area, first 8 with the same goals. Every entry is checked automatically every day (origin, code patterns, licence, maintenance, reachability); OROBO does not check whether software fits your purpose.
The best-known AI chat for questions, writing, file analysis and image generation.
AI assistant for deep work: reads long documents, writes clearly, builds code and files.
Google's AI assistant, tied into Gmail, Docs and Search, with image and video generation.
AI assistant with live access to the web and X, plus image and video creation via Imagine.
Microsoft's AI companion across Windows, Edge and Office; free to use, more with Microsoft 365.
Search engine for peer-reviewed studies that shows what research says about your question.
Free chat app on DeepSeek's open-weight models, strong at reasoning, math and code.
AI research over scientific papers: find studies, extract data and generate reports.
All software in “Use right away” with filters by price, offline use and difficulty.