Dreamtonics offers a free "Basic" editor and "Lite" voicebanks for many of their characters. These sound significantly more realistic (AI-driven) than older Vocaloids but usually cannot be used for commercial projects.
Emvoice is a cloud-based vocal synthesizer. The editor is free to download, and they offer a free voicebank called . vocaloid voicebank free
Let’s look at the actual voicebanks you can download right now for $0.00 USD. Dreamtonics offers a free "Basic" editor and "Lite"
Considered by many as the strongest competitor to Vocaloid, Synthesizer V uses AI to create incredibly realistic vocals. fan-made voicebanks available for download
In some cases, purchasing the software or specific bundles unlocks free additional content:
The UTAU community has thousands of free, fan-made voicebanks available for download, covering a variety of languages and tones. Official VOCALOID