OpenCreator

Open source alternative to HeyGen and Rask AI

13.6K stars
Apache-2.0
Active this week
Last commit 4 days ago

Last verified Oct 21, 2026

Create videos, images, voiceovers, and translations with AI Agents in one local workspace. Free desktop app for macOS and Windows, Apache-2.0 licensed.

Visit website GitHub13.6K Deploy on Hostinger

Read the full breakdownWho it is for, how it works, trade-offs and the FAQ

who it's for

Who OpenCreator is for#

Video creators localizing content for international audiences

Translates and dubs videos into 101 target languages with bilingual subtitle overlays, voice-cloned audio, and portrait or landscape output. A 46-minute video in one run with no manual subtitle adjustments is documented in the README examples. Supports download from YouTube, TikTok, Instagram, Douyin, and 10 other platforms.

Skip if:

Not the right fit if you need a fully managed cloud pipeline with no local setup, or if your source language is not one of the 14 currently supported.

Content teams generating AI images and video for social posts

108 pre-built templates cover poster styles, thumbnails, and short-video formats. Image generation supports GPT Image 2.5, Seedream 5.0 Pro, Kling v2.1, and Nano Banana 2.1. Video generation is available through Seedance 2.5, Kling v2.1 Master, and Veo 3.1.

Skip if:

Not a fit if you need real-time collaboration on shared creative assets or if your team expects a browser-based tool rather than a desktop app.

Developers building creator Agent workflows with custom Skills

Write SKILL.md files to add methods and workflows to the Agent. The repository's skills/ directory contains built-in Skills for subtitle translation, TTS dubbing, cover creation, and rendering. MCP configuration is handled natively through Codex, and runs execute in the background with approval controls.

Skip if:

If you only need a single capability (video translation only, for example), the tool's overhead as a full workspace may exceed what your use case requires.

Creators who want to bring their own model provider

Any OpenAI API-compatible service can replace the default language model. Image, video, voice, and transcription services are configured independently under AI Services. Edge TTS works with no API key, allowing basic voiceover generation without a paid service.

Skip if:

Not ideal if you need enterprise features like role-based access control, team workspaces, audit logs, or centralized billing. OpenCreator is a single-user desktop tool.

the problem

The problem it solves#

Creating multilingual social media content means stitching together separate tools for video dubbing, image generation, and content scripting. Each paid service stores your source footage on remote servers and charges separately, and moving assets between steps requires manual file management. For creators publishing to YouTube, TikTok, and Instagram across multiple language markets, this coordination becomes the limiting factor on how much multilingual content they can produce.

The translation and dubbing workflow alone has multiple moving parts: transcribing the source audio, translating subtitles into the target language, generating a dubbed voice track that matches the original pacing, and rendering the final video with subtitle overlays. Adding image generation for thumbnails or promotional visuals, article writing for accompanying posts, and social media scripting multiplies the number of tools required.

how OpenCreator solves it

How it solves it#

Video Translation with Dubbing

Transcribes video from 14 source languages, translates subtitles into 101 target languages, and generates dubbed audio tracks with voice-cloned matching. Outputs include SRT subtitle files, bilingual subtitle overlays, landscape or portrait video compositions, and audio-only exports. Whisper handles local transcription; cloud ASR is also supported.

Codex-Native Agent Workspace

Uses Codex CLI as the execution engine, so the Agent loop, tool calls, Skills, and MCP configuration carry over from your existing Codex setup. On first launch, OpenCreator scans your local Codex configuration and offers to reuse a working ChatGPT sign-in or API key. No second Agent runtime to maintain.

24+ Model Support Across Modalities

Language model availability follows the Codex catalog or any OpenAI-compatible provider. Image models include GPT Image 2.5, Seedream 5.0 Pro, and Nano Banana 2.1 (Gemini 2.5 Flash Image); video models include Seedance 2.5, Kling v2.1, and Veo 3.1. Voice services include CosyVoice, OpenAI TTS, Edge TTS, and Aliyun Speech.

108 Creation Templates

Pre-built templates for images and videos that include example results, prompts, and settings, so you start from a working configuration rather than an empty prompt. Templates are contributed by OpenCreator and third-party creators. Video translation, thumbnail, and image design categories are covered.

Local-First Data Storage

Projects, attachments, and runtime logs stay on your machine by default. When an online model is called, only the content required for that specific request goes to your configured model provider. No project data is stored on OpenCreator servers.

Reusable Agent Skills

Write SKILL.md files to extend the Agent with your own workflows. Built-in Skills cover subtitle translation, TTS dubbing, cover creation, landscape and portrait rendering, and pipeline planning. The repository also supports managing local Codex Skills and MCP configuration from the same interface.

strengths · trade-offs

Strengths and trade-offs#

Strengths

Apache-2.0 with No Per-Output PricingApache-2.0 licensing means you can run OpenCreator commercially with no licensing fees, modification restrictions, or output caps. Paid alternatives like HeyGen charge per minute of video output; OpenCreator's cost is the API or service you configure, with no additional platform toll.
13,000+ GitHub Stars and Active Maintenance13,074 stars on GitHub with the last push on 2026-10-14, contributions from 21 contributors across 100+ countries, and listed as the #1 trending repository of the day on GitHub. The interface supports Simplified Chinese, English, Swedish, and more, with automatic system-language detection.
Video Translation at ScaleHandles 14 source languages and 101 target languages. Supports bilingual subtitles, LLM-assisted context translation for better terminology handling, voice-cloned dubbing, and both landscape and portrait output formats for horizontal and short-form video platforms.
Unified Creative WorkflowOne workspace covers video translation, image generation, article writing, short-video scripting, stick figure animation, thumbnail generation, and smart dubbing. Tools share a common project state, so a translation session's subtitle file is immediately available to the dubbing step without manual transfer.

Trade-offs

-macOS and Windows OnlyThe desktop application is available for macOS (Apple silicon and Intel) and Windows 10/11. No Linux desktop build is available. Users on Linux need to build from the TypeScript source themselves, with no supported installer.
-Most Features Require Third-Party API KeysMost image, video, and voice generation features require a third-party API key and a paid account with the relevant service. OpenCreator does not bundle model access; configure GPT Image, Seedance, CosyVoice, or other services independently in AI Settings. Edge TTS is one of the few services that works without an API key.
-Agent Requires Codex Sign-In or API KeyThe Agent workspace requires either a Codex (ChatGPT) sign-in or a separately configured model API key to function. A pure offline workflow is limited to local transcription features (faster-whisper, WhisperKit, whisper.cpp) and tasks that do not call an external model.

versus alternatives

OpenCreator vs alternatives#

OpenCreator vs HeyGen

OpenCreator and HeyGen both handle video translation and dubbing, but they represent opposite deployment models. HeyGen is a proprietary commercial platform with no self-hosting option; OpenCreator is a local-first, Apache-2.0-licensed desktop application where you bring your own models and your files stay on your machine.

Feature	OpenCreator	HeyGen
License	Apache-2.0	Proprietary
Self-hosting	Local desktop (macOS, Windows)	No
Pricing	Free app, bring your own model API	Paid subscription
Data ownership	Local-first	Cloud-stored
Digital avatars	In development	Yes
Beyond video	Image gen, scripting, animation	Video-focused

OpenCreator is the better fit when cost and data ownership are the deciding factors, and when you want to choose your own image and video models. HeyGen is worth choosing when you need a fully managed cloud pipeline with no local setup, or when digital avatar generation (a feature OpenCreator has in development but has not shipped) is a requirement.

OpenCreator vs Rask AI

Rask AI is a commercial video localization platform focused on business use. OpenCreator covers the same core video localization workflow (transcription, subtitle translation, dubbing, export) with a local-first, open source approach, while also extending to image generation, article writing, and multimodal Agent workflows.

Feature	OpenCreator	Rask AI
License	Apache-2.0	Proprietary
Self-hosting	Local desktop	No
Pricing	Free app, API costs only	Subscription
Data stays local	Yes	No
Creative scope	Video, image, audio, scripting	Video localization

Rask AI is the stronger fit for enterprise teams that need account management, a browser-based team workflow, and support without local app setup. OpenCreator is the better choice for individual creators and small teams who want a single workspace for translation, image generation, scripting, and video creation, with cost capped at their own API usage.

tech stack · detected from GitHub

What it's built on#

Languages: GoJavaScriptTypeScript
Tooling: esbuild

frequently asked

FAQ#

Does OpenCreator store my videos or project files in the cloud?

No. Projects, attachments, and runtime logs stay on your local machine by default. When you call an online model, the content required for that specific request is sent to your configured model provider, but OpenCreator itself does not store your files on any server. You own and control all project data.

Is OpenCreator free to use?

The OpenCreator desktop app is free to download and run. Most creative features require a third-party API key (for GPT Image, Seedance, CosyVoice, etc.), which may carry costs depending on your usage. Edge TTS is available without an API key. There are no platform fees beyond your model provider's pricing.

What operating systems does OpenCreator support?

Desktop installers are available for macOS on Apple silicon, macOS on Intel, and 64-bit Windows 10 or 11. A Linux desktop build is not yet available; Linux users would need to build from the TypeScript source in the GitHub repository.

How many languages does video translation support?

OpenCreator's video translation workspace supports 14 source languages (including English, Simplified Chinese, Spanish, French, Japanese, Korean, German, and others) and 101 target languages for subtitle translation and dubbing output.

Can I use my own model provider instead of OpenAI?

Yes. Text, image, video, voice, and transcription services are configured independently in AI Services settings. Any provider with an OpenAI-compatible API can be used for language model calls. The model list in the README includes GPT, DeepSeek, Qwen, Kimi, GLM, Grok, Doubao, ERNIE, Hunyuan, and MiniMax, among others.

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Find open source alternatives to paid software

OpenCreator vs HeyGen

Feature	OpenCreator	HeyGen
License	Apache-2.0	Proprietary
Self-hosting	Local desktop (macOS, Windows)	No
Pricing	Free app, bring your own model API	Paid subscription
Data ownership	Local-first	Cloud-stored
Digital avatars	In development	Yes
Beyond video	Image gen, scripting, animation	Video-focused

OpenCreator vs Rask AI

Feature	OpenCreator	Rask AI
License	Apache-2.0	Proprietary
Self-hosting	Local desktop	No
Pricing	Free app, API costs only	Subscription
Data stays local	Yes	No
Creative scope	Video, image, audio, scripting	Video localization

Who OpenCreator is for#

Video creators localizing content for international audiences

Skip if:

Content teams generating AI images and video for social posts

Skip if:

Developers building creator Agent workflows with custom Skills

Skip if:

Creators who want to bring their own model provider

Skip if:

The problem it solves#

How it solves it#

Video Translation with Dubbing

Codex-Native Agent Workspace

24+ Model Support Across Modalities

108 Creation Templates

Local-First Data Storage

Reusable Agent Skills

Strengths and trade-offs#

Strengths

Trade-offs

OpenCreator vs alternatives#

OpenCreator vs HeyGen

OpenCreator vs Rask AI

What it's built on#

FAQ#

Similar open-source tools#

Open source tools in these categories#

AI & Machine Learning

Design & Creative

Developer Tools

LLMOps & AI Tooling

Web & App Development

Find open source alternatives to paid software

Who OpenCreator is for#

Video creators localizing content for international audiences

Skip if:

Content teams generating AI images and video for social posts

Skip if:

Developers building creator Agent workflows with custom Skills

Skip if:

Creators who want to bring their own model provider

Skip if:

The problem it solves#

How it solves it#

Video Translation with Dubbing

Codex-Native Agent Workspace

24+ Model Support Across Modalities

108 Creation Templates

Local-First Data Storage

Reusable Agent Skills

Strengths and trade-offs#

Strengths

Trade-offs

OpenCreator vs alternatives#

OpenCreator vs HeyGen

OpenCreator vs Rask AI

What it's built on#

FAQ#

Similar open-source tools#

Open source tools in these categories#

AI & Machine Learning

Design & Creative

Developer Tools

LLMOps & AI Tooling

Web & App Development

Find open source alternatives to paid software