Piper TTS (OHF-Voice piper1-gpl)
Source: https://github.com/ohf-voice/piper1-gpl
Original rhasspy/piper is archived; this is the continuation per the original's README.
Structured fields
{
"archived": false,
"checked_at": "2026-10-17T00:00:00.000Z",
"parent_url": "https://github.com/rhasspy/piper",
"usefulness": "Fast local neural TTS engine (pip install piper-tts) embedding espeak-ng for phonemization; the active successor of the archived rhasspy/piper. GPL-3.0 because of espeak-ng.",
"source_type": "repository",
"availability": "available",
"source_owner": "Open Home Foundation (OHF-Voice)",
"next_check_at": "2026-10-18T00:00:00.000Z",
"upstream_updated_at": "2026-10-16T17:04:54.000Z"
}Evidence claims
- [upstream_claim] README: fast and local neural text-to-speech engine that embeds espeak-ng for phonemization; install with pip install piper-tts. · locator: README, intro source
- [sourced_fact] Original rhasspy/piper README says 'Development has moved' to OHF-Voice/piper1-gpl; GitHub shows the original archived (MIT). · locator: README, first line; repository metadata source
- [sourced_fact] GitHub metadata: GPL-3.0, not archived, last push 2026-10-16. · locator: repository metadata source
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.
Rights
| component | license | hosting | redistribution | modification | training | Evidence and notes |
|---|---|---|---|---|---|---|
| code | GPL-3.0 | permitted | restricted | permitted | unknown | GPL-3.0 per GitHub; the predecessor repo was MIT. |
| model_weights | unknown | unknown | unknown | unknown | unknown | Voice model licenses are per-voice and were not read. |