Séance app lets users chat with ghosts of COBOL, LISP, BASIC and other dead languages

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A Hacktoberfest challenge entry called Séance is a small web app where users converse with personas of retired programming languages such as COBOL, LISP, BASIC, FORTRAN and ALGOL. Each character responds in a voice matching its language, and a Haunt my code feature lets the spirits critique pasted snippets. The app runs on open-weight models through any OpenAI-compatible endpoint, with Ollama's llama3.2:3b as the default, and falls back to scripted lines when the model is unreachable. It is built with Flask and plain HTML, CSS and JavaScript, with conversations stored in the browser rather than on the server. The project also includes a Día de los Muertos-themed Ofrenda mode.

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