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Aegisub vs Gaupol: catalog facts
Aegisub	Gaupol
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux	Linux
Precise timing of subtitles to audio Detailed styling tools	Supports multiple text subtitle formats Tools for translating subtitles
Interface takes time to learn Focused on subtitles, not general video editing	Text-based subtitles only, no image subtitles Mainly aimed at Linux desktops
Downloadable app	Downloadable app
Open source	Open source
License: BSD	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.