| Overview |
Self-hosted web analytics with a Go service and SQLite storage. Fusionaly reports visitors, traffic sources, custom events, goals and purchase revenue, with shareable dashboards and a read-only MCP interface. | A conversion optimization and digital experience platform offering A/B testing, heatmaps, surveys, feature flagging, and personalization across web and mobile. |
| Pricing |
Free and open source under MIT, with no paid tier or software event/site quota. You pay for your server and any external AI client you choose. | Growth, Pro, and Enterprise packages use sales-assisted, usage-based pricing; VWO also offers free product exploration |
| Deployment |
Self-hosted | Vendor-hosted cloud |
| Best for |
Site owners and developers who can operate their own analytics server and want traffic, goals and revenue in one place. | CRO teams, UX researchers, agencies optimizing user experiences |
| Operator |
Carlos Castellanos Independent project | Wingify Software Private Limited Subsidiary of Everstone Capital |
| Company base |
Spain · European Union | Delhi, India · Other region |
| Organization scale |
1 maintainers · operator, as of 31 Oct 2026 | at least 450 employees · operator, as of 13 Aug 2026 |
| Recent direction |
operational reliability Recent official evidence shows a focus on operational reliability. | suite consolidation Recent official evidence shows a focus on suite consolidation. |
| Key features |
- Visitors, referrers, campaigns and device reports
- Custom events, goals and revenue tracking
- Visitor flows and shared dashboards
- Read-only MCP for external AI clients
|
- A/B and multivariate testing
- Feature rollouts
- Session replay
- Heatmaps
- Funnels
- Surveys and polls
- Personalization
- Mobile experimentation
- AI-assisted optimization
|
| Important considerations |
You operate the server and backups. Daily visitor IDs do not identify the same person across days. Support is community-based, with no SLA. Optional AI clients receive the query results they request; self-hosting does not keep those results out of the client. | VWO is a multi-product suite; capabilities and MTU allowances depend on the selected products and sales-assisted tier. |
| Integrations |
JavaScript, MCP | Google Analytics, Adobe Analytics, Segment |
| Fact check |
We checked this information against official vendor sources on 2026-10-31. |
We checked this information against official vendor sources on 2026-08-08. |