Fact0 records 0 monthly visits with 0% month-over-month growth and Open Source (MIT); self-hosted, no subscription fees pricing. Notion records 173,441,670 monthly visits with +0.1% growth and Freemium pricing.
Self-hosted audit history and execution replay for AI agents
The AI workspace where teams and agents get work done together
| Dimension / Metric | | |
|---|---|---|
| Official Domain | fact0.io | notion.com |
| Pricing Model | Open Source (MIT); self-hosted, no subscription fees | Freemium |
| Monthly Visits | 0 (0) | 173.44M (173,441,670) |
| MoM Traffic Delta | 0 (0%) | +201.2K (+0.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (18.4%) |
| Direct Visits / mo | 0 | 135.18M |
| User Rating | 4.5 | 4.8 |
| Supported Platforms | Website | Website |
Self-hosted audit history and execution replay for AI agents
Run the API, dashboard and PostgreSQL in your own environment via Docker Compose, then point your agent at the local instance with an API key. Data and signing keys stay with your installation.
Record Python agents through the SDK (execution spans, tool results, supported model content, audit events) and Claude Code sessions through the collector plugin, then inspect both in the same workspace.
Follow a run through a graph, a timing waterfall and recorded spans, then step through saved events at your own pace. Replay reconstructs the record without re-running the agent.
Check the consistency of stored events against their hashes and preceding links, with capture gaps reported visibly rather than hidden.
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.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
Free / Open-sourceA free, open-source personal AI agent that learns your projects and works across every messaging app.
Free / Open-sourceA free, open-source personal AI agent that learns your projects and works across every messaging app.
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
No-code builder for custom AI agents and workflows
No-code builder for custom AI agents and workflows
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
Free / Open-sourceOpen-source desktop AI workforce that runs browser, file, and app tasks for you
SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
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.
SpecialistNetworked object-based knowledge management, but less suited for traditional folder hierarchies and task boards.
SpecialistNetworked object-based knowledge management, but less suited for traditional folder hierarchies and task boards.
Stronger relational tables and formula capabilities, but less polished for simple document writing than Notion.
Stronger relational tables and formula capabilities, but less polished for simple document writing than Notion.
Powerful enterprise project portfolio management, but heavier interface than Notion's clean docs.
Powerful enterprise project portfolio management, but heavier interface than Notion's clean docs.
