PosterGen

Web · Windows · Mac · Linux · Self-hosted

Freedom report

Two barsScore 5.6

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

PosterGen is ranked #11 of 23 in AI poster generators on Freedom251. It runs on Linux, macOS, Self-hosted, Web, Windows.

Compared on AI poster generators

Free plan: Yes
Custom dimensions: Yes

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The record

Purpose: PosterGen generates academic posters from research papers using a multi-agent large language model framework guided by design principles.
Paper parsing: Its Parser Agent extracts and structures content from a paper PDF.
Storyboarding: Its Curator Agent plans content organization and visual placement.
Layout: Its Layout Agent calculates positioning and spacing, while a Balancer Sub-Agent optimizes column use and prevents overflow.
Styling: Color generation draws on an affiliation logo, and typography features include professional font choices and keyword highlighting.
Output: Generated files include a PNG poster and an editable PowerPoint file.
Interface: A local web interface lets users upload a PDF and logos, configure models and dimensions, then generate and download poster files.
Models and APIs: The README lists OpenAI, Anthropic, and Zhipu API keys and documents configurable API base URLs, including a Google base URL.
Requirements: The README specifies Python 3.11 and requires LibreOffice; its web interface also requires Node.js and configured API keys.
Poster dimensions: The documented width-to-height aspect ratio range is 1.4 to 2.
Customization: Users can customize layout, typography, color generation, visual asset sizing, and content optimization through the configuration file.
Dependencies: The project acknowledges LangGraph, Marker, and python-pptx as underlying open-source projects.
License: The repository identifies its license as MIT.
Intended audience: The README describes conference poster design and identifies the output as professional academic posters.

Where it ranks on Freedom251

Best AI Poster Generators in 2026#11 of 23

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Sources

github.com/Y-Research-SBU/PosterGen· checked 4 Oct 2026
github.com/Y-Research-SBU/PosterGen/blob/main/LICE· checked 4 Oct 2026