auto-captions

Open source AI video engine built on Remotion. Voice cloning, AI avatars, animated captions, text-to-video (Wan 2.2/LTX), AI music, video editor, timeline, 100+ transitions. Free Synthesia, HeyGen, Runway, CapCut, Descript, ElevenLabs alternative. $0.

Open-source AI podcast clipper. Generate vertical clips with face tracking and burned-in captions. CLI, MCP server, web app.

Free, open-source AI clip generator and Opus Clip alternative. Turns podcasts, vlogs, tutorials and stream VODs into captioned YouTube Shorts, Reels and TikToks on your own PC: local Whisper, LLM ranking, speaker-tracking crop, YouTube upload. Windows, Mac, Linux. No subscription, no watermark.

🎬 The open-source AI video editor — auto-cut filler, auto-place B-roll, auto-caption, and turn one long video into ready-to-post Shorts. Edit by conversation. Built for founders & creators.

Sequence Studio: a free, open-source video editor for Mac and Windows

Open-source, self-hosted AI toolkit for short-form video: find viral clips with GPT-4o, generate Whisper subtitles and render vertical videos with Remotion. Next.js, FastAPI, PostgreSQL. Docker-ready.

Free, open source video editor for Reels, TikTok and Shorts. A CapCut alternative for Mac, Windows and Linux with local Whisper captions and AI agents over MCP.

Automatically generate accurate, per-word video captions with timestamps using Whisper ASR and FFmpeg, perfect for YouTube, social media, and accessibility.

Turn one raw talking-head take into a captioned 9:16 reel locally: faster-whisper transcribes, ffmpeg crops, burns word-synced captions and a hook card. Free, no watermark. Claude Code command included.

turn long videos into vertical clips, 100% on your Mac.

Levea OpenClaw AI Video Editor & MCP Server: autonomous natural-language video editing for viral clips, TikTok, Reels, YouTube Shorts, auto captions, subtitles, 9:16 vertical reframe, silence removal, B-roll, motion graphics, multicam, chroma key, color grading & MP4 export.

Self-hosted AI video editor for YouTube Shorts, TikTok & Reels — auto karaoke captions (faster-whisper), AI b-roll, camera zooms, stickers, SFX and voice cleanup in one ffmpeg pass. FastAPI + Python, free re-renders, your own OpenAI key.

The CapCut-style editor for short-form video. Auto captions, edit by transcript, silence and retake removal, social-ready export. Free, open source, 100% local. Linux, macOS, Windows.

Free Windows app that turns a script into a YouTube Short: stock footage, AI voice, auto-captions. No watermark.

FFmpeg and Python scripts that turn one raw clip into several styled edits: color grades, zoom punches, speed ramps, flash cuts, music beds and animated captions via pycaps.

Drop raw clips in a folder, get silence-cut, subtitled video. Subtitles in 90+ languages (auto-detected), filler-word removal, runs locally. Claude Code plugin + CLI.

?? 100% Free AI Video Clipper & Viral Reel Maker. Auto-cuts long videos into 9:16 Shorts with word-by-word bouncing captions (Hormozi style) & sentence snapping. Best Free OpusClip & Klap Alternative!

Animated captions for video. Whisper transcription, per-word styling, burned-in export. Self-hosted with Docker, plus an iPhone app. AGPL.

ANDROID APP that can RECOGNIZE ANY LIVE AUDIO/VIDEO STREAMING (using Tiny Whisper Model from Sherpa then TRANSLATE (using unofficial online Google Translate API) and display it as LIVE CAPTION / LIVE SUBTITLE

Android app that adds captions to your Reels and Shorts automatically, fully offline. Speak Tamil, Tanglish, Telugu, Kannada, Malayalam, Hindi or English and get captions in English letters, English meaning or the original script, burned into the video. No upload, no account, free.