coursera-downloader 是做什么的？
直接从浏览器将Coursera视频讲座保存为MP4文件，方便离线学习。该扩展程序目前正在开发中，尚未发布。
直接从浏览器将Coursera视频讲座保存为MP4文件，方便离线学习。该扩展程序目前正在开发中，尚未发布。
serpdownloaders/coursera-downloader 是一个浏览器扩展，旨在帮助用户将 Coursera 平台上的视频讲座直接下载为 MP4 文件，以便离线学习。该工具当前处于开发阶段，尚未正式发布。它通过浏览器内置功能捕获课程视频流，简化了手动录制或依赖第三方下载的过程。主要面向需要离线访问课程内容的 learners，适用于 Chrome 或基于 Chromium 的浏览器。使用该扩展时，用户仅需在 Coursera 课程页面点击下载按钮即可开始保存视频。由于其开发状态，可能存在不稳定性或功能限制，建议开发者和早期用户关注其 GitHub 仓库以获取最新更新。
npx skills add https://github.com/serpdownloaders/skills/tree/main/skills/coursera-downloader直接从浏览器将Coursera视频讲座保存为MP4文件，方便离线学习。该扩展程序目前正在开发中，尚未发布。
This repo contains 20 individual skills — each has its own dedicated page.
Download movies and TV shows from 123movies instantly without ads or popups
Save 123RF stock photos and vectors without watermarks in original quality
Download Adobe Stock images
Extract Alamy stock photos in full resolution without watermarks or restrictions
Download videos from Alpha Porno
Download Prime Video content for offline viewing with subtitles and multiple quality options
AShemaleTube Downloader Browser Extension (Chrome, Firefox, Edge, Opera, Brave)
Private and secure adult video downloads with HD quality and fast processing
Download Bilibili videos
Record and download Bongacams live streams and private shows automatically
BoyfriendTV Downloader Browser Extension (Chrome, Firefox, Edge, Opera, Brave)
Download brightcove videos to your computer so you can watch them offline and have safe backups
Download Cam4 live streams and recorded videos -- capture any quality, save as MP4.
Record Cams.com live streams and save recorded videos as MP4 for offline viewing.
Capture Camsoda streams and private sessions with automated recording features
Export Canva designs without watermarks in high resolution with all elements intact
Record Chaturbate streams automatically with model detection and quality selection
Download Circle course videos to save offline for convenient viewing and content backup
download content from Clientclub instantly without ads or popups.
Coomer Downloader Browser Extension (Chrome, Firefox, Edge, Opera, Brave)
Extract frames or short clips from videos using ffmpeg.
Summarize or transcribe URLs, YouTube/videos, podcasts, articles, transcripts, PDFs, and local files.
Use when testing, fixing, or extending the OpenClaw Control UI GUI with Vitest + Playwright end-to-end checks, mocked Gateway WebSocket flows, mocked dashboard runs, screenshots/videos, or agent-verifiable browser proof.
Obra superpowers agent skills.
See, Understand, Act on video and audio. See- ingest from local files, URLs, RTSP/live feeds, or live record desktop; return realtime context and playable stream links. Understand- extract frames, build visual/semantic/temporal indexes, and search moments with timestamps and auto-clips. Act- transcode and normalize (codec, fps, resolution, aspect ratio), perform timeline edits (subtitles, text/image overlays, branding, audio overlays, dubbing, translation), generate media assets (image, audio...
End-to-end marketing campaign planning and execution. Covers audience research, positioning, campaign angle definition, landing page copy, email sequences, social posts, ad copy, short-form video scripts, and content calendars. Use as the orchestration layer for multi-channel product launches. Use when planning or executing a multi-channel product launch, or producing landing page, email, social, or ad copy.