Spintax Studio
Offline Windows editor for spintax templates with live preview
...Diagnostics carry line and column positions and link to the built-in help; panels list variable definitions, references, session values and #include targets with their resolution status.
Generate variants locally, reproduce them with a seed, and export as plain text, an XLSX workbook, or one file per variant.
Offline by default: no account, no telemetry, no Node.js, PHP or Python runtime — one self-contained executable. Optional AI drafting is off until you turn it on and talks only to the endpoint you configure, with your own key when it needs one.
Interface and built-in help in 14 languages. ...