Listings side by side
| Field |  FreeTTSChatGPT · Apps SDK |
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| Kind | Apps SDK |
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| Best rank | #245
Creativity |
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| Charts | 1 |
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| Countries | 40/40 |
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| Tools or skills | 7 |
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| MCP server | mcp.freetts.org |
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| Developer | Outline Technologies LLC |
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| Website | freetts.org |
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| Starter prompts | 3 |
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| Created or launched | Created Sep 30, 2026 |
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| Listing changes | — |
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| Tool | ChatGPT · Apps SDK7 skills |
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| check usage Shared | ✓ check_usage |
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| dialogue to speech Shared | ✓ dialogue_to_speech |
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| list voices Shared | ✓ list_voices |
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| script to tracks Shared | ✓ script_to_tracks |
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| suggest voice Shared | ✓ suggest_voice |
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| text to speech Shared | ✓ text_to_speech |
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| transcribe audio Shared | ✓ transcribe_audio |
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