Free, open-source, local alternative to ElevenLabs and Suno. AI sound effects, music with lyrics, text-to-speech and voice cloning on your own GPU (Stable Audio, ACE-Step and more). No account, no credits, offline. Windows/macOS app, HTTP API and a 21-tool MCP server for Claude Code and Cursor.
HamSanders/soundbox has 191 GitHub stars.
It currently ranks #5390 daily, #6686 weekly, #9522 monthly by momentum on Trending Repos; its best-ever rank is #5390.