Jupiter — Offline Speech-to-Text for Windows - Sell Project
Listed November 2, 2026
About Jupiter — Offline Speech-to-Text for Windows
Offline Windows speech-to-text app — Python source code included in sale.
Jupiter — Offline Speech-to-Text for Windows A ready-to-use Windows dictation application designed around one simple experience: you speak, and text appears naturally as you go. Jupiter is an independently developed Windows application that converts spoken into text directly inside other applications. It operates entirely offline, requires no cloud speech recognition, and is designed to make voice dictation feel as natural as typing. What makes Jupiter different? 1. Smooth, continuous dictation Words appear progressively while the user speaks, rather than requiring them to finish an entire sentence and wait for the result. The experience is designed to maintain a natural flow of thought. 2. No mandatory hotkeys Users don't need to press or hold keyboard shortcuts to start every dictation session. Once Jupiter is running and listening, they can place the cursor in a text field and simply start speaking. 3. Dictation directly into other applications Jupiter enters recognized text into the currently active text field, including compatible document editors, browsers, messaging applications, and other Windows software. There is no need to dictate into a separate window and manually copy the result. 4. Local processing and privacy Speech recognition runs on the user's computer. Audio recordings are not uploaded to cloud recognition services, and an internet connection is not required for dictation. 5. Lightweight everyday operation Jupiter is designed to run in the background without requiring a powerful dedicated GPU. A compact system tray interface allows users to pause and resume dictation whenever needed. 6. Ready-to-install Windows software The application is distributed through a Windows installer with its required speech recognition components included. End users do not need to install Python, configure machine learning libraries, or download recognition models separately. 7. Product infrastructure already developed Jupiter includes a graphical user interface, licensing and trial functionality, update-checking capabilities, user feedback and bug-reporting features, and supporting development documentation. Potential for further development Jupiter currently supports Russian speech recognition. Its speech recognition components can be adapted to alternative language models, including English. The developer can offer adaptation, integration, and testing under a separate agreement before handover. The software may provide a foundation for commercial dictation products, specialized professional applications, localization, or further development under a new brand. Development and early adoption Jupiter was developed independently in 2026 and has undergone multiple development and testing iterations. The initial public release recorded 36 downloads on GitHub. The GitHub link provided in this listing points to Jupiter Release 2, a significantly updated version that has recorded 2 downloads so far. Across both releases, 38 download events have been recorded. These are not verified unique users. Development efforts have focused on functionality, reliability, and user experience rather than advertising or customer acquisition. No full-scale marketing campaign has been conducted. The project is therefore offered primarily as a developed software asset, not as an established business with a large customer base. What's included in the sale? Proprietary Python application source code Working Windows application and installer User interface and supporting application components Licensing and trial functionality Preserved development versions Available testing materials and technical documentation Transfer of the agreed rights to the proprietary software The precise transfer scope and handover arrangements will be agreed upon with the buyer. Jupiter is an opportunity to acquire an already developed offline dictation product and continue its commercial development without starting from scratch.
Next step: <p>The buyer can expand Jupiter into new language markets, including English, integrate its dictation functionality into specialized Windows applications, or commercialize the software under a new brand.</p><p>Additional opportunities include reducing the installer size, improving compatibility, and introducing targeted marketing and distribution.</p><p>The original developer is available to discuss technical assistance with localization, optimization, and handover under a separate agreement.</p>
For sale
Asking price: $2,950 USD
What's included
Source code, All related design work
The sale includes the proprietary application source code, working Windows builds, installer, project branding, available build scripts, technical documentation, and preserved development and testing materials. Third-party libraries and speech recognition models remain subject to their respective licenses. The exact transfer scope will be agreed upon with the buyer.
Reason for selling
I am busy with other things and no longer have time to maintain this project.
Project metrics
Average Monthly Visitors: Pre-launch
Average Monthly Revenue: Pre-revenue
Average Monthly Downloads: Undisclosed
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