# Aegisub vs CaptionHub

| Attribute | Aegisub | CaptionHub |
|---|---|---|
| **vioscaleAI score** | 48.1 (31% (low)) | 44.5 (7% (low)) |
| activity.commits_last_30d | 31 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 1,950 | - |
| language.primary | C++ | - |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://aegisub.org","retrievedAt":"2026-09-01T14:41:01.917Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | commercial |
| pricing.price_level | free | - |
| release.cadence_days | 13 | - |
| release.history | `[{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.5.0-beta","date":"2026-07-27T20:16:55Z","type":"prerelease","version":"v3.5.0-beta"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.4.2","date":"2025-01-13T03:11:43Z","type":"stable","version":"v3.4.2"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.4.1","date":"2025-01-01T21:05:21Z","type":"stable","version":"v3.4.1"},{"url":"https://github.com/TypesettingTools/Aegisub/releases/tag/v3.4.0","date":"2024-12-19T01:11:04Z","type":"stable","version":"v3.4.0"}]` | - |
| security.iso27001 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nixpkgs&package_name=aegisub&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Subtitle Captioning)

| Capability | Aegisub | CaptionHub |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | - | - |
| Hardcoded video burn in stylized social captions | - | - |
| Fcc ada broadcast compliance closed captioning srt vtt | - | - |
| Dynamic karaoke style animated word highlighting | - | - |
| AI auto translation for multi language tracks | - | - |
| Timeline based millisecond timestamp nudging | - | - |
| Human in the loop premium proofreading service tier | - | - |
| Custom font upload and brand color templating | - | - |
| B roll and emoji auto injection based on context | - | - |
| Direct xml export to premiere pro final cut | - | - |
| SOC2 type ii | - | - |
| Mit or apache permissive oss license | - | - |
| Pricing model | - | - |

*Source: vioscaleAI. Generated 2026-09-11T23:37:58.020Z. "-" = undocumented, not absent.*