Musicfy

Synthesizer V is an innovative music creation tool leveraging a deep neural network-based synthesis engine to produce remarkably realistic singing voices. It features customizable AI pitch generation, unlimited tracks, no core restrictions, VST3/AU plugin compatibility, ASIO support for Windows, Jack support for Linux, Cross-Lingual Synthesis, AI Retakes, Isolated Aspiration Output, Vocal Modes, Tone Shift parameter, Microtonal Adjustment, MIDI keyboard support, a metronome, and Lua/Javascript scripting. This appears to be a groundbreaking tool. (You will need to translate the page from Japanese to your preferred language)

LALAL.AI is an advanced service for vocal removal and music source separation, enabling users to isolate vocals, accompaniment, and a variety of instruments from any audio or video file through high-quality stem splitting driven by AI technology. Users can buy packages with varying minute allocations for file splitting and download complete stems. Additionally, the service provides an API for businesses to incorporate the technology into their projects.

Emvoice One is a vocal synthesis plugin designed for music producers and other creatives, allowing them to create lifelike vocal performances through text input. It features four distinct voices—Keela, Lucy, Jay, and Thomas—each with varying ranges and prices, and includes a free demo mode with restricted features. The plugin operates on both Mac and PC, requires an internet connection, and is compatible with VST/AU/AAX.