Industry standard collaborative whiteboarding with massive template libraries, but less streamlined for rapid AI diagram generation.

Rivet.dev records 21,359 monthly visits with -44.3% month-over-month growth and Freemium, Contact for Pricing pricing. Whimsical records 966,895 monthly visits with -18.7% growth and Freemium pricing.

Run and scale durable AI agents on your own infrastructure
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | rivet.dev | whimsical.com |
| Pricing Model | Freemium, Contact for Pricing | Freemium |
| Monthly Visits | 21.36K (21,359) | 966.9K (966,895) |
| MoM Traffic Delta |
| -16.97K (-44.3%) |
| -222.85K (-18.7%) |
| Primary Market & Share | 🇺🇸 United States (39.4%) | 🇮🇳 India (19%) |
|---|
| Direct Visits / mo | 10.71K | 602.36K |
|---|
| User Rating | 4.5 | 4.7 |
|---|
| Supported Platforms | Website | Website |
|---|

Run and scale durable AI agents on your own infrastructure
Every Actor gets a SQLite database and a filesystem, so an agent's memory and progress survive restarts and idle periods without a separate database.
Run untrusted or AI-generated code on your own infrastructure with fine-grained control over network access, filesystem permissions, and resource limits.
A node failure reschedules its Actors elsewhere with state intact, and multi-step work replays after a crash — with no checkpointing harness to build yourself.
Address an Actor directly over HTTP or hold a live WebSocket, and use the React SDK to subscribe components to an Actor's state in real time.

The collaborative whiteboard built for product builders
AI Flowcharts, AI Mind Maps and AI Wireframes convert a short text prompt into structured, fully editable diagrams, branched mind maps, or web and mobile wireflows — no manual drawing required.
Boards host diagrams, flowcharts, mind maps, wireframes, embedded media and documents side by side, so a whole product narrative lives in a single shareable file.
Multiple teammates edit the same board simultaneously with live cursors, thread comments attached to specific objects, and mention-based notifications.
Drag-and-drop UI components let teams sketch screens, link them into clickable flows and iterate on product ideas before engineering commits to a build.
Industry standard collaborative whiteboarding with massive template libraries, but less streamlined for rapid AI diagram generation.

Free / Open-sourceCombines mind mapping and project workflows with AI agents, but less focused on pure visual diagramming and wireframes.
Robust collaborative whiteboard with strong AI diagramming tools, but less polished UI wireframing capabilities than Whimsical.

Free / Open-sourceThe TypeScript framework for building, deploying, and observing AI agents


Dedicated diagramming platform with strong AI chart generation, but less focus on freeform collaborative brainstorming whiteboards.
SpecialistInstantly turns natural language prompts into mind maps and flowcharts, but offers less freeform canvas drawing flexibility.
The low-cost cloud sandbox where AI agents actually live
Combines whiteboarding and documentation with AI generation, but lacks Whimsical's specialized wireframe shape library.
Exceptional UI wireframing and prototyping tools, but less versatile for general mind mapping and freeform brainstorming.

Self-hosted cloud development environments and AI coding agents for enterprise teams

Persistent Ubuntu cloud VMs built for AI agent factories

Agent-native cloud infrastructure that lets coding agents run the whole backend stack
Industry standard collaborative whiteboarding with massive template libraries, but less streamlined for rapid AI diagram generation.
Robust collaborative whiteboard with strong AI diagramming tools, but less polished UI wireframing capabilities than Whimsical.
Dedicated diagramming platform with strong AI chart generation, but less focus on freeform collaborative brainstorming whiteboards.
SpecialistInstantly turns natural language prompts into mind maps and flowcharts, but offers less freeform canvas drawing flexibility.
The low-cost cloud sandbox where AI agents actually live
Combines whiteboarding and documentation with AI generation, but lacks Whimsical's specialized wireframe shape library.
Exceptional UI wireframing and prototyping tools, but less versatile for general mind mapping and freeform brainstorming.