| What it does | Micro-frontend architecture framework for composing web applications
| A separate, visible browser for every project your coding agent touches
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| Stage | Not given
| Startup
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Open source
| Free trial
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| Pricing | Not given
| 10-day free trial (no credit card required), then $4/month or $24/year per named user. Annual plan is 50% off the $48 cost of twelve monthly payments.
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| Key features | - Typed host and hostee SDKs for building and embedding features
- CLI for initialization, building, and development with feature.config.*
- Dev server with debug UI for inspecting host/hostee message traffic
- Multiple display modes: embedded, dialog, popup, standalone
- Contract declaration with message validation and schema enforcement
- Optional encryption with v3 and v4 protocols
- Framework-agnostic with support for React, Vue, Angular, vanilla JS
- Lifecycle management with open/close and ready state handling
- Message broker with typed routing and validation
| - Isolated workspace per project with separate cookies and sign-ins
- Watch, pause, and take over agent actions at any time
- Test local applications and localhost environments
- Support for signed-in applications and session handoff
- Parallel agent execution with isolated workspaces
- Resume after agent disconnection with workspace persistence
- Local Web3 wallet interaction and approval
- Side-by-side split view for comparing pages
- Cross-platform support: Windows, macOS, Linux
- Up to three active devices per subscription
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| What makes it different | - Zero runtime dependencies and self-contained feature packages require no transitive install burden
- Modernize without a rewrite by composing existing applications of any age
- Contract-based type safety with handshake validation and fail-closed security
- Production-ready static file server with optional encryption and message inspection
| - Your personal Chrome stays completely private and separate from agent operations
- Local-first design with profiles stored on your computer
- Verifiable releases with SHA-256 hashes and GitHub build attestations
- Source-available under a subscription license
- No credit card required for 10-day trial
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 12 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 5 | 2 |
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| Citation Flow (Majestic) | 21 | 30 |
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| Referring domains (Majestic) | 9 | 30 |
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HyperFrontend
Hronaut