Collaborate with
anyone, anywhere.
Use Hypothesis to annotate anything online with classmates, colleagues, or friends. Create a free personal account, or talk to our sales team about Education solutions.
Bringing content and conversation together.
Hypothesis adds a collaborative layer over any online content. Through the power of social annotation, we can make online discussions more meaningful, productive, and engaging.
Changing online discussions for good.
Hypothesis is a mission-driven organization building universal collaboration into the internet with open-source technology.
Comment on and highlight what interests you.
Annotate articles, websites, videos, documents, apps, and more – without clicking away or posting elsewhere. Hypothesis is easy to use and based on open web standards, so it works across the entire internet.
Turn annotations into conversations.
Classrooms, coworkers, and communities can share ideas, ask questions, and respond to annotations. Set groups to public or private to create your ideal discussion.
Build durable, shared knowledge.
No more losing valuable knowledge across email, forums, and apps. Annotations are saved at the source and accessible to everyone, preserving commentary in context.
Hypothesis is for
Research
Create a new method of peer review and engagement for researchers and publications.
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Everyone
Share and discuss intriguing content with family, friends, and like-minded groups.
Learn MoreStart the conversation.
Create a free account and install the Hypothesis browser extension to start annotating. For Education solutions, contact our sales team.