| What it does | Learn programming by building real software with an AI tutor
| Universal orchestrator for AI coding agents
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| Stage | Not given
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| Founded | Not given
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| Based in | PT
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| Pricing model | Freemium
| Open source
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| Pricing | Free: 2,000 credits once, no card required. Learner: 5,000 credits/month. Scholar: 11,000 credits/month. Fellow: 38,000 credits/month. Campus: contact for pricing. One-time top-ups available. Yearly plans offer 2 months free.
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| Key features | - In-browser code editor and terminal for writing and running code
- Structured syllabuses with lessons that must be completed in order
- Knowledge checks after each lesson to verify understanding
- Final assessments taken without tutor assistance
- Generate custom courses for topics not in the catalog
- Progress is saved and can be resumed exactly where left off
- Credit-based usage allows flexible learning without seat-based fees
- Unused monthly credits roll over for up to two months
| - Infinite threads with real-time persistence and layout freedom
- Real PTY terminals with native terminal-agent support
- Agent-controllable MCP servers for app automation and delegation
- Skills marketplace and local custom skills support
- On-device voice input with Whisper local processing
- Scheduled runs for recurring tasks like nightly reviews and dependency sweeps
- Remote machine execution over SSH with automatic runtime installation
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| What makes it different | - Full syllabus visible upfront before starting any lesson or course
- No expiring free credits: 2,000 credits to learn risk-free without providing payment info
- Projects run in the browser without requiring software installation
- Generate custom syllabuses on demand for any language or topic
| - Provider-agnostic orchestration with no vendor lock-in—bring your own agent subscriptions and API keys
- Agents can delegate to other agents and control the app itself through built-in MCP servers
- Persistent workspace built around real development work with terminals, diffs, worktrees, and PRs
- Free and open source under Apache 2.0 with no subscription or lock-in
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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) | 9 ● no change since last check | 38 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 30 | 17 |
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| Referring domains (Majestic) | 87 | 12 |
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codeset
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