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