(LispLab)
Learn Lisp!
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Free
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About
Learn Scheme, the elegant Lisp dialect that shaped modern programming.
(LispLab) helps you go from your first parenthesis to real fluency with 90 structured lessons, a built-in REPL, and hands-on exercises. Study core ideas like lists, functions, recursion, higher-order functions, and data structures one day at a time.
Features:
• 90 guided Scheme lessons
• Built-in REPL and interpreter
• Exercises with hints and instant feedback
• Progress tracking and daily streaks
• Light, dark, and automatic themes
Perfect for beginners, students, and programmers exploring functional programming.
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What's New in (LispLab)
1.1
May 11, 2026
Fixed issue with REPL: you can now quit it! Before, the keyboard would cover the navigation buttons. Now a new close button or (quit), (exit), quit, or exit will do the trick. Corrected some details within the lessons. Added REPL command history (tap on an earlier command in the terminal) "Run in REPL" mode from within lessons. (help) command for information as you code.
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