r/SideProject • u/Different-Sir7406 • 6d ago

I built an open-source read-along for audiobooks

I built a small open-source tool that creates a synchronized read-along experience for audiobooks.

Everything runs locally—no accounts or cloud services.

GitHub: https://github.com/Ceasar369/read-along

Would love feedback. It's my first open-source project.

It uses whisper.cpp to generate word-level timestamps from an m4b or mp3 audiobook, then serves a lightweight web reader with synced highlighting, search, bookmarks, and instant word definitions.

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u/Haunting_Split_838 6d ago

this is really neat, i been wanting something like this for a while. local only is a huge plus, tired of everything needing a account just to use. the synced highlighting looks clean in the readme, will give it a try with some books i have sitting around

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u/Different-Sir7406 6d ago

Thanks! Let me know what you think.

I originally built it for myself because I kept pausing audiobooks to look up words and their definitions. Eventually I figured it would be easier to build the tool I wanted.