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Allegro CL

Place
#36 of 65
Score
6.2
Allegro CL's website

The facts below are what the maker publishes about Allegro CL, checked and dated. Our editors have not written about it yet.

Plans and prices

From Allegro CL's own pricing page, checked 8 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Free Express EditionFreeLimited technical support; commercial support requires contacting Franz · Free
Enterprise EditionPriced on requestIncludes Professional components, unrestricted AllegroCache, ODBC, MySQL Direct Connect, and Allegro Runtime · Contact Franz for a customized quote
Professional EditionPriced on requestFor early application development; includes AllegroCache Pro, IDE, Prolog, Java tools, SSL, and other development components · Contact Franz for academic or commercial pricing

The facts

Each one read from Allegro CL's own pages, with the date it was checked.

What it does

Commercial licensing
Commercial users who distribute or deploy applications developed with Allegro CL require a deployment license.checked 8 Oct 2026
Deployment
Applications can be delivered as a DLL or standalone image, and the Enterprise Edition includes Allegro Runtime for dynamic standalone applications.checked 8 Oct 2026
Development tools
Allegro CL includes an IDE, Allegro Prolog, a regular-expression matcher, a runtime analyzer, and source-level debugging tools.checked 8 Oct 2026
Integrations
The product page lists AllegroGraph, Oracle and MySQL direct connections, ODBC, Java interoperability, FTP, and SSL socket streams.checked 8 Oct 2026
Intended users
The Professional Edition is designed for developers in early application development, while Enterprise is intended for developers who plan to build and deploy applications.checked 8 Oct 2026
LLM and graph capabilities
The product page describes extracting structured and unstructured information from LLMs into AllegroGraph and using a built-in vector database for text retrieval and question answering.checked 8 Oct 2026
Notarization
The Allegro CL 11.0 feature list says its native Apple Silicon port is notarized.checked 8 Oct 2026
Operating systems
Allegro CL 11 lists support for Linux x86-64 and ARM, macOS on Apple Silicon and x86-64, Windows x86 and x86-64, and FreeBSD x86-64.checked 8 Oct 2026
Persistent storage
AllegroCache supports persistent CLOS objects, dynamic schema evolution, ACID transactions, client-server use, and databases with billions of objects.checked 8 Oct 2026
Purpose
Allegro CL is a Common Lisp development system for developing and deploying neuro-symbolic applications that combine symbolic reasoning, large language models, and graphs.checked 8 Oct 2026
Security features
The product page lists SSL socket streams and SHA512, RMD160, and HMAC-SHA1 message-digest support.checked 8 Oct 2026
Support
Franz provides product documentation, FAQs, and patches, and accepts bug reports and technical questions by email.checked 8 Oct 2026

The company

Founded
1984checked 28 Sep 2026
Headquarters
Lafayette, California, USAchecked 28 Sep 2026

Money

Free edition limits
The Free Express Edition download page offers limited technical support to people who complete the download survey.checked 8 Oct 2026

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