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Top 23 Common Lisp common-lisp Projects
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Project mention: Nyxt4 (a Lisp powered web browser) pre-release (Mac/Linux) | news.ycombinator.com | 2025-04-22
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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.
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Pg Loader is a tool that can be used to move your data to PostgreSQL, however, it's not perfect, but can work well in some cases. It's worth looking at to see if it's the direction you want to go.
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Project mention: From C++ to Clojure: New Language Promises Best of Both | news.ycombinator.com | 2025-01-30
I remember claps [1] (a Lisp with C++ interoperation), but it seems almost frozen (a quick glimpse). So I think this could follow the same path, yes I am a bit pessimistic, claps seems a very good idea but it did not pan out to expectation.
https://github.com/clasp-developers/clasp
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Project mention: Lem – the editor/IDE well-tuned for Common Lisp | news.ycombinator.com | 2025-01-19
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SaaSHub
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What do you expect from a web framework? That means different things to different people. I don't really like frameworks, so I used a web-server abstraction layer named "clack."
Radiance[0] is a more traditional web-framework, with interfaces for backend-storage, web-servers, templating, authentication &c.
Hunchentoot gives you basic route definitions out-of-the-box (bring your own database), and for something more full-featured there is CLOG[1] and Reblocks[2]
0: https://shirakumo.github.io/radiance
1: https://github.com/rabbibotton/clog
2: https://40ants.com/reblocks/
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sketch
A Common Lisp framework for the creation of electronic art, visual design, game prototyping, game making, computer graphics, exploration of human-computer interaction, and more. (by vydd)
Project mention: Ask HN: Resources for Learning Graphics Programming | news.ycombinator.com | 2024-09-24From a common lisp learner's perspective, I've had
https://github.com/vydd/sketch for 2d
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Project mention: The Symbolics Genera Programming Environment (1987) | news.ycombinator.com | 2024-09-21
[1] https://github.com/joaotavora/sly
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coalton
Coalton is an efficient, statically typed functional programming language that supercharges Common Lisp.
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Project mention: Kandria, a post-apocalyptic action RPG in Common Lisp | news.ycombinator.com | 2024-06-03
Here is a link to the Trial game engine, also a creation of the same author: https://github.com/Shirakumo/trial
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Unfortunately CCL is Intel only on macOS. (macOS is not on the the main page https://ccl.clozure.com)
Otherwise this is the one I would use as it has good Cocoa interoperability.
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https://github.com/fukamachi/caveman/ (I like Mito and Djula, I'd go with Hunchentoot rather than Clack which is famously undocumented)
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Project mention: Ask HN: Resources for Learning Graphics Programming | news.ycombinator.com | 2024-09-24
https://github.com/kaveh808/kons-9 for 3d
on my to-play-with list for a little moment now, waiting for a chance.
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Project mention: Ask HN: Whats the difference between qlot vs. ocicl? (SBCL package managers) | news.ycombinator.com | 2024-09-22
Maybe we can share our experience here?
Question derived from thread[3] where this discussion started.
[1] https://github.com/fukamachi/qlot
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I think personally that Coalton and the stuff its built on is crazy cool. Coalton is a little library you add to your Lisp, but, to quote the third link here: "In terms of its type system, Coalton’s closest cousin is Haskell." So Lisp's dynamism with all sorts of advanced typing.
QVM, a Quantum Virtual Machine https://github.com/quil-lang/qvm
Quilc, an "advanced optimizing compiler" for Quil https://github.com/quil-lang/quilc
Coalton, "a statically typed functional programming language built with Common Lisp." https://coalton-lang.github.io/20211010-introducing-coalton/
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I think personally that Coalton and the stuff its built on is crazy cool. Coalton is a little library you add to your Lisp, but, to quote the third link here: "In terms of its type system, Coalton’s closest cousin is Haskell." So Lisp's dynamism with all sorts of advanced typing.
QVM, a Quantum Virtual Machine https://github.com/quil-lang/qvm
Quilc, an "advanced optimizing compiler" for Quil https://github.com/quil-lang/quilc
Coalton, "a statically typed functional programming language built with Common Lisp." https://coalton-lang.github.io/20211010-introducing-coalton/
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medley
The main repo for the Medley Interlisp project. Wiki, Issues are here. Other repositories include maiko (the VM implementation) and Interlisp.github.io (web site sources) (by Interlisp)
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Not standard, but hopefully worth mentioning: the thing that's clicked best for me is the docs on https://ciel-lang.org/ ("batteries included" Common Lisp image). The examples for how to use it's curated libraries matches how I try to integrate a new language into my toolbox.
It hit the front page a while ago too:
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SaaSHub
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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).
Common Lisp common-lisp discussion
Common Lisp common-lisp related posts
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A simple Common Lisp web app
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Years in Common Lisp: 2023-2024 in review
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Sento – Actor framework featuring actors and agents
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Lem – the editor/IDE well-tuned for Common Lisp
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I Chose Common Lisp
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A note from our sponsor - InfluxDB
www.influxdata.com | 18 May 2025
Index
What are some of the best open-source common-lisp projects in Common Lisp? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | nyxt | 10,388 |
| 2 | pgloader | 5,785 |
| 3 | clasp | 2,649 |
| 4 | lem | 2,621 |
| 5 | slime | 1,960 |
| 6 | sbcl | 1,935 |
| 7 | roswell | 1,829 |
| 8 | clog | 1,622 |
| 9 | sketch | 1,454 |
| 10 | woo | 1,324 |
| 11 | sly | 1,316 |
| 12 | coalton | 1,313 |
| 13 | trial | 1,102 |
| 14 | jscl | 905 |
| 15 | ccl | 889 |
| 16 | caveman | 790 |
| 17 | hunchentoot | 711 |
| 18 | kons-9 | 602 |
| 19 | qlot | 504 |
| 20 | quilc | 470 |
| 21 | qvm | 426 |
| 22 | medley | 403 |
| 23 | CIEL | 383 |
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