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Aegisub (arch1t3cht fork) vs Jubler: catalog facts
Aegisub (arch1t3cht fork)	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
Actively maintained continuation of Aegisub Extra features merged from feature branches	Supports more than 20 subtitle formats Video preview, waveform and draggable timeline
Feature details are spread across the README and release notes Mixed licensing across components	Text-based subtitles only Translation mode relies on Azure Translator
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause, MIT and others	License: AGPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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