# gif.js vs Kap

| Attribute | gif.js | Kap |
|---|---|---|
| **vioscaleAI score** | 42.8 (23% (low)) | 38.4 (32% (low)) |
| activity.commits_last_30d | 0 | 0 |
| adoption.dependent_repos | 141 | 0 |
| adoption.github_stars | 4,973 | 19,353 |
| content.faq | `[{"answer":"A JavaScript library that enables creation of animated GIF files directly in web browsers using web workers for efficient background processing It is indexed under Gif Tools.","source":"https://jnordberg.github.io/gif.js","question":"What is gif.js?","confidence":0.6},{"answer":"gif.js is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://jnordberg.github.io/gif.js","question":"Is gif.js free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to gif.js. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://jnordberg.github.io/gif.js","question":"What platforms does gif.js support?","confidence":0.6},{"answer":"Yes. gif.js is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/jnordberg/gif.js","question":"Is gif.js open source?","confidence":0.95}]` | `[{"answer":"A desktop screen recorder that captures video and exports it as GIF, MP4, WebM, or APNG, with support for audio, click highlighting, and trimming. It is indexed under Gif Tools.","source":"https://getkap.co","question":"What is Kap?","confidence":0.6},{"answer":"Kap supports macOS. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://getkap.co","question":"What platforms does Kap support?","confidence":0.6},{"answer":"Yes. Kap is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/wulkano/kap","question":"Is Kap open source?","confidence":0.95}]` |
| description.long | A JavaScript library that enables creation of animated GIF files directly in web browsers using web workers for efficient background processing | A desktop screen recorder that captures video and exports it as GIF, MP4, WebM, or APNG, with support for audio, click highlighting, and trimming. |
| features.capabilities | `{"architecture_model":"browser_web_utility","gpl_or_permissive_oss_license":true,"video_to_gif_conversion_trimming_and_cropping":true,"frame_by_frame_canvas_drawing_and_pixel_editing":true,"lossy_compression_and_frame_rate_reduction_algorithms":true}` | `{"architecture_model":"desktop_local_application","gpl_or_permissive_oss_license":true,"screen_recording_direct_to_gif_capture":true,"video_to_gif_conversion_trimming_and_cropping":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Giphy","native":true}]` |
| language.primary | JavaScript | TypeScript |
| license.spdx | MIT | MIT |
| platform.support | `{"web":true}` | `{"mac":true}` |
| pricing | `{"type":"open_source","summary":"Free, open source (MIT)","freeTier":true,"sourceUrl":"https://jnordberg.github.io/gif.js","retrievedAt":"2026-09-01T16:08:26.443Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | - |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| release.cadence_days | - | 29 |
| release.history | - | `[{"url":"https://github.com/wulkano/Kap/releases/tag/v3.6.0","date":"2022-10-27T18:41:50Z","type":"stable","version":"v3.6.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.5.5","date":"2022-08-11T15:41:56Z","type":"stable","version":"v3.5.5"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.5.4","date":"2022-02-23T09:49:15Z","type":"stable","version":"v3.5.4"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.5.3","date":"2022-02-05T18:46:55Z","type":"stable","version":"v3.5.3"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.5.2","date":"2022-01-18T06:21:17Z","type":"stable","version":"v3.5.2"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.5.1","date":"2021-12-09T19:12:10Z","type":"stable","version":"v3.5.1"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.5.0","date":"2021-12-09T18:13:15Z","type":"stable","version":"v3.5.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.4.2","date":"2021-11-10T19:50:06Z","type":"stable","version":"v3.4.2"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.4.1","date":"2021-10-16T11:22:56Z","type":"stable","version":"v3.4.1"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.4.0","date":"2021-09-17T09:05:33Z","type":"stable","version":"v3.4.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.3.2","date":"2020-09-09T17:35:08Z","type":"stable","version":"v3.3.2"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.3.1","date":"2020-08-19T22:41:07Z","type":"stable","version":"v3.3.1"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.3.0","date":"2020-08-19T19:13:48Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.2.2","date":"2020-05-01T14:18:01Z","type":"stable","version":"v3.2.2"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.2.1","date":"2020-04-29T16:34:18Z","type":"stable","version":"v3.2.1"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.2.0","date":"2020-03-31T14:31:52Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.1.0","date":"2020-02-17T19:18:09Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.0.1","date":"2019-12-01T05:50:44Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.0.0","date":"2019-11-20T17:13:19Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/wulkano/Kap/releases/tag/v3.0.0-beta.6","date":"2019-07-09T10:36:13Z","type":"prerelease","version":"v3.0.0-beta.6"}]` |
| security.scorecard | 2.5 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=gif.js&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fwulkano%2Fkap&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Gif Tools)

| Capability | gif.js | Kap |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Browser web utility | Desktop local application |
| Screen recording direct to gif capture | - | ✓ |
| Lossy compression and frame rate reduction algorithms | ✓ | - |
| Webp and mp4 modern format export support | - | - |
| Standardized meme text macro library and templates | - | - |
| Video to gif conversion trimming and cropping | ✓ | ✓ |
| AI background removal for transparent stickers | - | - |
| Custom watermark stamping for brand protection | - | - |
| Slack discord and imessage native integration | - | - |
| Frame by frame canvas drawing and pixel editing | ✓ | - |
| SOC2 type ii | - | - |
| Gpl or permissive oss license | ✓ | ✓ |
| Pricing model | - | - |

*Source: vioscaleAI. Generated 2026-09-11T23:38:52.509Z. "-" = undocumented, not absent.*