Best Land of Lisp Alternatives & Competitors in 2025

Learning Resources

There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.

FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun.

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Learning Resources

The Textbook of the Future.

Open Source

Our first product is data structures deck, a deck comprised of 36 beautifully crafted cards depicting data structures, space/running time complexities, and short descriptions of each data structure.

Best Courses. Top Institutions. Learn anytime, anywhere.

Racket (formerly PLT Scheme) is a modern programming language in the Lisp/Scheme family, suitable...

Open Source

NWEA Assessments creates a personalized assessment experience by adapting to each student's learning level.

Zig is a general-purpose programming language designed for robustness, optimality, and maintainability.

Open Source

Learning Resources, Programming Courses, and Learn Programming

Global state management for react

A type inferred, functional reactive language that compiles to HTML, CSS, and JavaScript

Open Source

Command-line JSON processing tool

Open Source