{"guid":"16297164-0034-395b-622f-4bc8bc147cfa","title":"Cactus Comments: Web Comments built on Matrix","subtitle":null,"slug":"666-cactus-comments-web-comments-built-on-matrix","link":"https://bornhack.dk/bornhack-2021/program/cactus-comments-web-comments-built-on-matrix/","description":"Cactus Comments is a federated comment system for the open web built on Matrix.\nIt is GPLv3 licensed, written in Elm, and we host a public backend that's free (as in beer) to use.\n\nCheck it out and play with the demo at: https://cactus.chat","original_language":"eng","persons":["a2"],"tags":["2021","666","2021","BornHack 2021 (BornHack 2021)"],"view_count":101,"promoted":false,"date":"2021-08-23T13:00:00.000+02:00","release_date":"2021-08-23T00:00:00.000+02:00","updated_at":"2026-02-21T10:15:06.132+01:00","length":346,"duration":346,"thumb_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa.jpg","poster_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa_preview.jpg","timeline_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/conferences/bornhack/2021/666-16297164-0034-395b-622f-4bc8bc147cfa.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/666-cactus-comments-web-comments-built-on-matrix","url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_title":"Bornhack 2021","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021","related":[],"recordings":[{"size":25,"length":346,"mime_type":"video/webm","language":"eng","filename":"2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2021-08-23T21:25:58.548+02:00","recording_url":"https://cdn.media.ccc.de/events/bornhack/2021/webm-hd/2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/54492","event_url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021"},{"size":11,"length":346,"mime_type":"video/webm","language":"eng","filename":"2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2021-08-23T21:20:48.590+02:00","recording_url":"https://cdn.media.ccc.de/events/bornhack/2021/webm-sd/2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/54490","event_url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021"},{"size":9,"length":346,"mime_type":"video/mp4","language":"eng","filename":"2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2021-08-23T21:16:34.717+02:00","recording_url":"https://cdn.media.ccc.de/events/bornhack/2021/h264-sd/2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_sd.mp4","url":"https://api.media.ccc.de/public/recordings/54485","event_url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021"},{"size":2,"length":346,"mime_type":"audio/opus","language":"eng","filename":"2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2021-08-23T21:16:19.129+02:00","recording_url":"https://cdn.media.ccc.de/events/bornhack/2021/opus/2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_opus.opus","url":"https://api.media.ccc.de/public/recordings/54484","event_url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021"},{"size":5,"length":346,"mime_type":"audio/mpeg","language":"eng","filename":"2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2021-08-23T21:16:03.285+02:00","recording_url":"https://cdn.media.ccc.de/events/bornhack/2021/mp3/2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/54483","event_url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021"},{"size":18,"length":346,"mime_type":"video/mp4","language":"eng","filename":"2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2021-08-23T21:15:26.653+02:00","recording_url":"https://cdn.media.ccc.de/events/bornhack/2021/h264-hd/2021-666-eng-Cactus_Comments_Web_Comments_built_on_Matrix_hd.mp4","url":"https://api.media.ccc.de/public/recordings/54482","event_url":"https://api.media.ccc.de/public/events/16297164-0034-395b-622f-4bc8bc147cfa","conference_url":"https://api.media.ccc.de/public/conferences/bornhack2021"}]}