
Description: Aegisub is a free, open source subtitle editing software for Windows. It allows creating and timing subtitles, as well as styling them and adding effects. Useful for fansubbing, translating videos, or creating subtitles from scratch.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VisualSubSync is a free, open source tool for synchronizing subtitles with video files. It provides an intuitive interface for aligning subtitles to match the timing of dialogue and visuals.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API