47 Open source projects that are alternatives of or similar to Elsa

A modern proof language

Coq formalizations of functional languages.

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A simple, zero-dependency implementation of the untyped lambda calculus in Safe Rust

implementation of Pure Type Systems (PTS) in Rust.

λtext - higher-order file applicator

A statically-typed strictly-evaluated garbage-collected readable programming language.

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Canonical sources for HOL4 theorem-proving system. Branch `develop` is where “mainline development” occurs; when `develop` passes our regression tests, `master` is merged forward to catch up.

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Cedille, a dependently typed programming languages based on the Calculus of Dependent Lambda Eliminations

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Fine-grain implementations of common lambda calculi in Haskell, tested with QuickCheck

Exercises from Benjamin Pierce's "Types and Programming Languages" textbook + extras!

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Abstract krivine machine implementing call-by-name semantics. In OCaml.

The compilation target that functional programmers always wanted.

lambda calculus interpreter

An Android app that provides a visual interface for creating and evaluating lambda calculus expressions

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Macro Lambda Calculus

Formalization of the polymorphic lambda calculus and its parametricity theorem

Minimalistic dependent type theory with syntactic metaprogramming

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An inference engine for extensional untyped λ-calculus

Lambda Notebook: Formal Semantics in Jupyter

An interactive theorem prover based on lambda-tree syntax

Book: Gentle Introduction to Dependent Types with Idris

A minimalist pure lazy functional programming language

Church Encoding Implementation in JavaScript

Bologna Optimal Higher-Order Machine, Version 1.1

Efficient and single-steppable ULC evaluation algorithm

Automatic code generation for Scala functions and expressions via the Curry-Howard isomorphism