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Aegisub vs Jubler: catalog facts
Aegisub	Jubler
Free Free and open source.	Free Free and open source under the AGPL-3.0, funded by donations.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Precise timing of subtitles to audio Detailed styling tools	Supports more than 20 subtitle formats Video preview, waveform and draggable timeline
Interface takes time to learn Focused on subtitles, not general video editing	Text-based subtitles only Translation mode relies on Azure Translator
Downloadable app	Downloadable app
Open source	Open source
License: BSD	License: AGPL-3.0
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.