| What it does | One app. Every platform. All Day.
| AI skill manager that keeps your skills together across tools
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Free: £0/month with core features. Individual: £6.99/month (one person, 7-day trial). Team: £12.99/member/month (billed per active member).
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| Key features | - Native UI toolkits (AppKit, UIKit, Material Components, WinUI, GTK, Qt)
- Shared Rust codebase for interface and logic
- Localization with Fluent catalogs
- UI testing with DayScript walkthroughs
- Automated packaging and app store submission preparation
- Accessibility annotations with native integration
- Platform-specific extensions in Cargo crates
- VS Code extension for development workflow
- Crash reporting integration
- Reusable components across apps
| - Unified library for importing and organizing skills from multiple sources
- Source tracking to monitor when skills change and decide whether to update
- Security review with Cisco Skill Scanner for prompt injection, exfiltration, and obfuscated code
- Selective skill delivery to specific projects and tools
- Skill capture to turn successful workflows into reusable skills
- Skillbox Trim to reduce command output noise from agent context
- Skillbox AI to draft and review skills with assistance
- Shared workspaces for team collaboration without forcing skills on individuals
- Team standards to require specific skills for workspace consistency
- Weekly workspace usage reports for team admins
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| What makes it different | - Single Rust codebase compiles to native machine code for each target
- Platform-native appearance and behavior without custom rendering
- Keep existing Rust libraries unchanged and reuse across platforms
- Full open source framework under MPL-2.0 with inspectable and modifiable code
- Unified CLI and test format for all platforms and builds
| - Library remains separate from active setup, delivering only relevant skills to each tool or project
- Source attachment remembers GitHub or GitLab origin so you can compare versions before updating
- Security findings and approvals tied to exact version reviewed, not carried forward automatically
- Shared team skills do not override individual personal libraries
- Works with existing tools without requiring abandonment of Cursor, Claude Code or repositories
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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) | 29 ● no change since last check | 2 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 25 | 0 |
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| Referring domains (Majestic) | 29 | 0 |
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Day
Skillbox