Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
#1Notion records 173,441,670 monthly visits with +0.1% month-over-month growth and Freemium pricing. Unbody records 178 monthly visits with -88.3% growth and Contact for Pricing, Free pricing.

An R&D lab building products with a brain.
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | notion.com | unbody.io |
| Pricing Model | Freemium | Contact for Pricing, Free |
| Monthly Visits | 173.44M (173,441,670) | 178 (178) |
| MoM Traffic Delta |
| +201.2K (+0.1%) |
| -1.35K (-88.3%) |
| Primary Market & Share | 🇺🇸 United States (18.4%) | 🇮🇳 India (100%) |
|---|
| Direct Visits / mo | 135.18M | 70 |
|---|
| User Rating | 4.8 | 3.8 |
|---|
| Supported Platforms | Website | Website |
|---|

The AI workspace where teams and agents get work done together
Combine docs, wikis, projects, and databases into one structured system of record that stays linked as your content grows.
Draft, summarize, translate, and answer questions inline, or build custom agents that automate recurring workflows around the clock.
Find answers instantly across Notion and connected apps, with citations so you can verify where each answer came from.
Use relations, rollups, views, and a large template gallery to model anything from a CRM to a content calendar.

An R&D lab building products with a brain.
The lab builds products that combine a model with persistent memory and reasoning, framed as giving software a brain.
Adapt is a TypeScript SDK for an AI memory layer that learns by attention instead of recall, available with source on GitHub.
ytty is a native macOS terminal workspace designed to keep developers oriented while orchestrating multiple agents in parallel.
Sibyl is an applied AI companion focused on reproductive loss, helping users integrate experiences that healthcare systems often leave unanswered.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
#1SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
#2
Describe your idea and Replit builds a working app in minutes

SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.

Ship live apps straight from your AI chat

Free / Open-sourceBuild, deploy, and govern production-ready agentic AI workflows


The environments frontier AI trains on, and the agents that do the recurring work
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.

SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
Built-in AI agents and automated workflows, but less refined document editing interface.
Describe it, refine it, ship a working AI app

SpecialistNetworked object-based knowledge management, but less suited for traditional folder hierarchies and task boards.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
Ship live apps straight from your AI chat
Free / Open-sourceBuild, deploy, and govern production-ready agentic AI workflows
The environments frontier AI trains on, and the agents that do the recurring work
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
Describe it, refine it, ship a working AI app
SpecialistNetworked object-based knowledge management, but less suited for traditional folder hierarchies and task boards.