Tools
Recording
Tools for recording UTAU voicebanks.
OREMO
By nwp8861.
akorin
By KLAD. Crossplatform OREMO alternative. For OSes other than Windows, you must build it from source.
aie
By team-aie. In development.
Bokumo
By kylejlin. Web browser alternative.
OTO Configuration
Tools for configuring UTAU voicebanks.
SetParam
By nwp8861.
WavConfigTool
By Heiden.BZR.
vLabeler
By sdercolin. In development.
Snatcit
By kylejlin. Web browser alternative.
mkototemp (MakeOtoTemp)
By Delta. Automatically generates oto.ini for CVVC voicebanks. May require configuration.
KiraOtoToolbox
By shine_5402. Various tools for editing the oto.ini.
oto.iniまとめて改造ましーん
By まいこ. Various tools for editing the oto.ini. Japanese only.
Other
UTAU TextEncode Convert Helper
Original by mili-tan. Fork by TUBS. Converts voicebanks and USTs to and from Chinese(GB2312), Japanese(Shift_JIS), and UTF-8 encoding.
Speedwagon
By Custom.Maid. Software for quickly regenerating frqs.
VocalShifter
By Ackie Sound. Vocal editor that can edit pitch, DYN(Dynamics), formant, pan, timing, etc.
MinimizeVB
By アステル. Minimizes the file size of a voicebank before distribution and makes an installer.