ChatGPT
Chatbots & Assistants
OpenAI's all-round assistant for writing, images, research, voice chat, agents and study help.
Freemium
Heptabase
ProductivityPaid
About
Heptabase is a visual note-taking app that organizes notes on whiteboards, with AI to help research and understand topics.
Key features
Whiteboards for notes
PDF annotation
AI chat
Cards and links
Best for
ResearchStudying
Pricing & plans
Paid product. Check the official website for current prices.
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