Scheme Lisp

Open-source Scheme projects categorized as Lisp

Top 7 Scheme Lisp Projects

  1. swift-lispkit

    Interpreter framework for Lisp-based extension and scripting languages on macOS and iOS. LispKit is based on the R7RS standard for Scheme. Its compiler generates bytecode for a virtual machine. LispKit is fully implemented in Swift 5.

  2. Sevalla

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  3. ol

    Otus Lisp (Ol) is a purely functional multi-platform Scheme dialect with built-in FFI and infix math.

    Project mention: Otus Lisp | news.ycombinator.com | 2025-06-22

    Interesting; it's an opinionated implementation of R7RS. Lost of deviations is here:

    https://github.com/yuriy-chumak/ol/blob/master/doc/R7RS-DIFF...

  4. lispy

    Learning with Peter Norvig's lis.py interpreter (by fluentpython)

  5. scheme-langserver

    Scheme language server

  6. bibliography

    Bibliography of Scheme research (readscheme.org and beyond)

  7. index.scheme.org

    Searchable index of Scheme Lisp libraries

  8. SchemingEssentialLisp

    Notes and worked problems from the 1987 text Essential Lisp.

  9. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source Lisp projects in Scheme? This list will help you:

# Project Stars
1 swift-lispkit 413
2 ol 263
3 lispy 252
4 scheme-langserver 234
5 bibliography 158
6 index.scheme.org 20
7 SchemingEssentialLisp 1

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the 53rd most popular programming language
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