Aegisub

Aegisub is a free, cross-platform open source tool for creating and modifying subtitles.

Free and open-source software · aegisub.org

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What Aegisub’s own pages say

What it says it doesAegisub is a free, cross-platform open source tool for creating and modifying subtitles. aegisub.org
Free planYes aegisub.org
Open sourceYes aegisub.org
LicenseOpen-source BSD-style licenses. aegisub.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.