| What it does | Open-source tool that turns an OpenAPI spec or schema into a local, runnable twin
| Sharp tools. No bloat.
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| Stage | Not given
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| Founded | 2023
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| Based in | US
| UA
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Free tier available for most apps; Pro is a one-time purchase for one app, with a key working on 2 Macs. Some tools are free and open source.
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| Key features | - REST API twin generation from OpenAPI spec
- Postgres wire protocol support
- Snowflake wire protocol support
- MCP server support
- Live behavior overlay on published specs
- One-command agent installation
- Deterministic test responses matching live behavior
| - Video, photo, PDF and document compression without uploading files
- Local storage space analysis and app removal with leftover cleanup
- Screenshot and screen recording with text search and secret masking
- Local password and secrets storage without server or subscription
- Marketing analytics debugging to see tracking fires with timing and reasons
- Local search across files, notes and email faster than Spotlight
- Uptime and performance monitoring for websites
- Podcast transcription, chapters and SEO description generation
- Document to Markdown or JSON conversion for LLM and RAG pipelines
- Automatic Oracle Cloud free ARM server claim on capacity availability
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| What makes it different | - No backend required, serves twins directly from specifications
- Supports multiple protocols: REST, Postgres, Snowflake, and MCP
- Production behavior fidelity through live behavior overlay
- MIT licensed open source with no cost
| - Local-first operation with no cloud pipelines, telemetry or analytics on your analytics
- Each tool focused on doing one thing well, resisting feature creep
- Flat, transparent pricing with no per-seat traps or freemium bait-and-switch
- One-time Pro purchase licenses work on 2 Macs and can be moved between devices
- No accounts, analytics collection or data sharing; only check for updates and license verification online
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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) | 27 ▼ −1 (down) since last check | 2 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 1 |
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| Citation Flow (Majestic) | 39 | 15 |
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| Referring domains (Majestic) | 16 | 11 |
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Twinning
DeepLab