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Velorn

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What Velorn is

Velorn is a free, open-source desktop AI video workstation for Linux, macOS, and Windows. It organizes planning, generation, asset management, timeline editing, captions, effects, and export in project-based workspaces built around ComfyUI workflows. Generation can use local ComfyUI, cloud or partner workflows, custom workflows, or a combination. Director Mode provides guided workflows for music videos, UGC creator ads, business ads, and an experimental short-film path marked very beta. The multi-track timeline supports trimming, moving clips, transitions, fades, text and visual effects, speed controls, proxy and cache tools, and video export. Automatic captions are supported. A local MCP server exposes more than 100 tools for Codex, Claude Code, Cursor-compatible tools, and other MCP clients. Integrations include ComfyUI, Pexels, and LM Studio for the local LLM Assistant. Current generation workflows require separately installed ComfyUI on the same computer, although editing and export work without it. Local requirements vary, and heavy video workflows may need 24 GB or more of VRAM. The repository uses GPL-3.0.

Who it suits

Velorn suits desktop creators who want AI video generation and editing across Windows, macOS, or Linux. It is also aimed at users comfortable installing ComfyUI and meeting model-specific hardware needs.

What it does well

  • Open-source desktop application
  • Windows, macOS, and Linux releases
  • Local and cloud workflows
  • Multi-track timeline editing
  • Automatic captions

What to know first

  • ComfyUI required for current generation
  • Cloud workflows may require provider credits
  • Heavy workflows may need 24 GB VRAM
  • Short-film workflow is very beta

Verdict

Velorn combines ComfyUI-based generation with project management, timeline editing, captions, and export in one desktop workspace. Its setup requirements and hardware demands are important considerations for local generation.

Facts from Velorn's own pages

Cloud usage
Partner-node workflows require the appropriate Comfy.org credentials and credits, and cloud/API credentials and credits depend on the provider. · github.com, 12 Oct 2026
Cloud workflow limits
Partner-node workflows require appropriate Comfy.org credentials and credits, and cloud workflows may also require provider credits. · github.com, 11 Oct 2026
ComfyUI requirement
Local ComfyUI is required for generation; editing, captions, export, project management, and MCP editorial tools can work without it. · github.com, 12 Oct 2026
Director Mode
Director Mode supports music-video workflows with lyric timing and cast references, plus ad and concept workflows with structured shot planning. · velorn.ai, 12 Oct 2026
Hardware limits
Local workflow requirements vary by model, and heavy video workflows may need 24 GB or more of VRAM. · github.com, 12 Oct 2026
Hardware requirements
Local workflow requirements vary by model, and some heavy video workflows may need 24 GB or more of VRAM. · github.com, 11 Oct 2026
Integrations
The product documents ComfyUI workflows and Bridge, Pexels for stock media, LM Studio for its local LLM Assistant, and MCP clients for agent control. · github.com, 12 Oct 2026
License
The repository states that Velorn is licensed under GNU GPL v3.0. · github.com, 12 Oct 2026
Local and cloud generation
Generate supports built-in local workflows, cloud or partner workflows, and custom ComfyUI workflows. · github.com, 11 Oct 2026
Local and cloud workflows
Users can run local ComfyUI workflows, use cloud partner workflows, or combine both in one project. · velorn.ai, 12 Oct 2026
MCP automation
Velorn includes a local MCP server with 100+ tools for clients including Codex, Claude Code, and Cursor-compatible tools. · github.com, 12 Oct 2026
Product
Velorn is an open-source desktop AI video workstation for generating, editing, and finishing videos around ComfyUI workflows. · velorn.ai, 12 Oct 2026
Production workflow
It brings planning, generation, asset management, timeline editing, captions, effects, and export into one project-based app. · github.com, 11 Oct 2026
Security
The public repository links a security policy, but the opened product pages do not state specific security certifications or compliance claims. · github.com, 12 Oct 2026
Security scope
The desktop app supports only localhost or loopback ComfyUI endpoints. · github.com, 11 Oct 2026
Support
The product site lists [email protected] and a Discord community as contact options. · velorn.ai, 12 Oct 2026
Supported platforms
Packaged desktop releases include Windows installer and portable builds, Mac Apple Silicon and Intel builds, and Linux AppImage and deb builds. · github.com, 11 Oct 2026
Timeline and export
The timeline supports trimming, moving, fades, effects, and speed controls, and users can export finished videos from the workspace. · velorn.ai, 12 Oct 2026
Timeline editor
The editor includes a multi-track video and audio timeline, clip trimming and moving, transitions, text and visual effects, proxy/cache tools, and export. · github.com, 11 Oct 2026

Where Velorn stands on Freedom251

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