Astah UMLChange Vision, Inc.
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BaseRTBase Compute
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Related Products
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About
Astah UML is a UML 2.x diagramming tool for software design, developed by Change Vision, Inc. It covers the core UML diagrams, including class, use case, sequence, activity, state machine, component, and deployment diagrams, plus mind maps.
Astah creates models rather than drawings: when you change a model element, every diagram that uses it is updated, so your design stays consistent.
AI features include AI Chat Copilot and AI-assisted code reverse engineering, which use your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service. A local MCP server lets external AI agents work with your Astah models. Conventional reverse engineering of Java, C#, and C++ code is also included.
Astah UML runs on Windows, macOS, and Linux with a bundled Java runtime. A free license is available for students, and a 20-day free trial is available.
Latest version: 12.0 (released July 15, 2026).
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About
BaseRT is a high-performance LLM inference runtime for Apple Silicon that lets developers pull models from Hugging Face, chat with them locally, or serve an OpenAI-compatible API from one CLI. Accelerated by hand-written Metal kernels, it is designed to deliver fast prefill and decode performance on M-series Macs, with published benchmarks showing up to 6.4× faster prefill than llama.cpp, 3.9× faster than MLX, and up to 1.33× faster decode. The basert CLI handles model downloading, conversion, interactive chat, serving, completion, benchmarking, inspection, and bundle signing. Its server supports chat, completions, embeddings, transcription, tool calls, continuous batching, paged KV caching, and prefix caching, while supported models can process text, vision, and audio. BaseRT uses its own .base model format with Q2–Q8 affine quantization, optional AWQ calibration, and signed bundles, and can convert GGUF, Hugging Face, and MLX checkpoints.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Software developers, students, and teams who create UML diagrams for software design
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Audience
AI infrastructure engineers and developers seeking a fast, private local model inference and an OpenAI-compatible backend for applications and coding agents
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$6.99 per month
Plans from $6.99 per month. Free license for students. 20-day free trial.
Free Version
Not Supported
Free Trial
Supported
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationChange Vision, Inc.
Founded: 2006
Tokyo, Japan
astah.net/products/astah-uml/
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Company InformationBase Compute
Founded: 2026
Australia
www.basecompute.co/getbasert
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Alternatives |
Alternatives |
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Categories |
Categories |
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Diagram Features
Data Import / Export
Supported
Drag & Drop
Supported
Flowchart
Not Supported
For Developers
Supported
Mind Map
Supported
Multi-User Collaboration
Not Supported
Organizational Charting
Not Supported
Templates
Supported
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Integrations
OpenAI
Supported
Azure OpenAI Service
Supported
Claude
Supported
Gemini
Supported
Gemma 3
Not Supported
Gemma 4
Not Supported
HTML
Supported
Hugging Face
Not Supported
Java
Supported
Llama 3.1
Not Supported
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Integrations
OpenAI
Supported
Azure OpenAI Service
Not Supported
Claude
Not Supported
Gemini
Not Supported
Gemma 3
Supported
Gemma 4
Supported
HTML
Not Supported
Hugging Face
Supported
Java
Not Supported
Llama 3.1
Supported
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