BYOAIK (Bring Your Own AI Key) is a directory of AI tools that run on your own API key.

Applio

Voice conversion toolkit built on RVC, with training and inference on your own machine.

Website Source code

Category:
Music and Audio Generation
Maintenance:
Actively developed (last commit today)
Pricing:
Open Source
Open source:
Yes (MIT)
Self-hostable:
Yes
Local-first:
Yes
Platforms:
Desktop, Self-hosted, Local-only, Docker
AI providers (bring your own key):
Ollama, Custom / OpenAI-compatible
API key storage:
No cloud key required for local model
Key risk level:
LOW
Trust score:
87/100

Applio is a voice conversion tool built on the RVC lineage, packaging model training, inference and management behind a simpler interface than the original web UI. Everything runs locally: the source audio, the trained voice models and the output all stay on the machine, with no service holding the voice. MIT licensed and considerably more active than the original RVC WebUI.

How this tool was scored

Key handling 93/100 (where your key rests and who sees it, comparable across any licence) and verifiability 70/100 (how much of that BYOAIK could confirm, lower for closed source). Neither contains a popularity signal.

  • Key Safety 25/25: No cloud key is needed at all. The model runs locally.
  • Request Routing 17/20: Requests go straight from you to the AI provider.
  • Transparency 20/20: Source is public under MIT, so anyone can check how the key is handled.
  • Privacy 14/15: Local-first: it works without sending your data anywhere. Can be self-hosted, so the data path stays inside infrastructure you control.
  • Maintenance 10/10: Actively developed, with commits within the last three months.
  • Verification Confidence 1/10: Compiled from public documentation by an AI-assisted pass, not independently confirmed.

What was checked

Verification tier RESEARCH_ASSISTED, derived from the evidence below and not set by hand.

  • [REPORTED · RESEARCH] This listing was compiled by an AI-assisted research pass over the tool's public website, README and documentation. No person independently confirmed it.
  • [CONFIRMED · SOURCE_SCAN] Ships a container definition, so it can be self-hosted on your own infrastructure. source
  • [CONFIRMED · SOURCE_SCAN] Most recent commit 2026-09-29, about 0 month(s) ago. source

How your API key is handled

Key handling varies. Requests are sent directly to the AI provider. Because it can be self-hosted, your key never has to touch a third-party backend.

Setup

Add your provider API key in settings and choose a model.