An open-source agentic video production system that turns an AI coding assistant into a pipeline-driven video studio for research, scripting, asset generation, editing and rendering.
69.7K9KPythonAGPL-3.0Updated 4 days ago
4 alternatives
Best open-source alternatives to Synthesia (2026)
Looking for a free, open-source alternative to Synthesia? These 4 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| calesthio/OpenMontage | ★ 69.7K | AGPL-3.0 | 4 days ago |
| Vincentwei1021/video-shotcraft | ★ 12.5K | Apache-2.0 | 2 days ago |
| vincentsch/explainroo | ★ 598 | MIT | 18 hours ago |
| OneMoh/html-explainer | ★ 179 | MIT | 6 days ago |
An agent skill for Claude Code and Codex that turns your product pages into cinematic promo videos, built with Remotion code rather than generative AI.
12.5K1.1KTypeScriptApache-2.0Updated 2 days ago
Turns a written script into a narrated explainer video or product demo, with a local voice, word timing and canvas rendering, driven by a coding agent.
59838JavaScriptMITUpdated 18 hours ago
An Agent Skill that turns a topic into a narrated explainer video with voiceover, hard subtitles and cover images, rendering HTML frames locally to MP4.
17921PythonMITUpdated 6 days ago
FAQ
- Is there a free, open-source alternative to Synthesia?
- Yes. The most popular open-source alternatives to Synthesia on Repolode are OpenMontage, video-shotcraft, explainroo.
- Which Synthesia alternative should I choose?
- OpenMontage has the most GitHub stars and is released under AGPL-3.0. Compare the license and last commit of each option in the table above before choosing.