A tiny local web app for highlighting and commenting on plain text files.
In the Notes & docs space, txthighlight takes a focused approach. It focuses on making it easy to annotate and comment on plain text files locally. It is built as an open-source project for writers and editors. txthighlight is open source under the MIT license. The product ships for the web, the command line, macOS, Windows, and Linux, and it can be self-hosted.
txthighlight first shipped in 2026. PulseGate's similarity index finds few close equivalents — txthighlight occupies a relatively distinct niche. Key capabilities include text highlighting, commenting, and local web app.
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