PulseGatePost-LLM software, agents & workflows market (since 2022)
Coverage
169,358

Apps indexed

 

Freshness
4 min ago

Last update

 

Cadence
1,326/day

7-day average

Indexed today: 1,277

PulseGate

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CPCoalton Playground logo
Coalton Playground
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CPCoalton Playground logo

Coalton Playground

coalton.app·IDEs & code editors

Coalton Playground is a web-based interactive environment for writing and running statically-typed Lisp code with Haskell-style features. It supports type inference, algebraic data types, pattern matching, and code sharing. Designed for programmers and learners, it allows experimentation and learning without local installation.

FreeMIT
WebEmbeddableCloud-managed
C
Coalton Playground preview
Visit coalton.app↗
⭐1.7k
stars
🍴103
forks
✓10
features
📅2021
since

Overview

10 features

In the IDEs & code editors space, Coalton Playground takes a focused approach. It enables users to experiment with statically-typed Lisp code directly in the browser without local setup. It is built as a consumer product for programmers learning or experimenting with statically-typed Lisp. Coalton Playground is free to use. Coalton Playground is available on the web and embeddable surfaces.

Coalton Playground first shipped in 2021. Development happens publicly on GitHub with 1.7k stars and 254 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Coalton Playground occupies a relatively distinct niche. Key capabilities include type inference, pattern matching, and algebraic data types.

  • ✓Type inference
  • ✓Pattern matching
  • ✓Algebraic data types
  • ✓Code execution
  • ✓Syntax highlighting
  • ✓Code sharing
  • ✓Live output
  • ✓Example snippets
  • ✓Docs integration
  • ✓Embed code

Tags

lisp-playgroundtype-inferencebrowser-idealgebraic-typespattern-matching

Built with & integrations

Hosting
cloudflare
Runs on
BrowserEmbeddableCloud-managed

Trust & compliance

LicenseMIT
Verified signals
✓ HTTPS✓ Free tier✓ GitHub · ★ 1.7k✓ Active maintenance

Recent events

Latest indexed changes and source events

  1. IndexedJun 16, 2:54 AM

    coalton.app discovered by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Coalton Playground

What does Coalton Playground do?
Coalton Playground enables users to experiment with statically-typed Lisp code directly in the browser without local setup. It is catalogued under IDEs & code editors on PulseGate.
Who is Coalton Playground for?
Coalton Playground is a consumer product built for programmers learning or experimenting with statically-typed Lisp.
Is Coalton Playground free?
Yes — Coalton Playground is free to use.
What platforms does Coalton Playground run on?
Coalton Playground runs on the web and embeddable surfaces.
Is Coalton Playground still maintained?
PulseGate's automated liveness checks currently classify Coalton Playground as active. The GitHub repository shows 254 commits in the last 90 days.
What are alternatives to Coalton Playground?
Similar tools tracked by PulseGate include BigCode, WebLLM Playground, and ROX Playground.BigCodeWebLLM PlaygroundROX Playground
When did Coalton Playground launch?
Coalton Playground first shipped in 2021.
Is Coalton Playground open source?
Coalton Playground has a public GitHub repository.

At a glance

Platforms
Web
Languages
English
Open source
Yes · ★ 1.7k
License
MIT
First seen
Dec 9, 2024
Activity
🟢 Active
Status
🟢 Active
Built for
programmers learning or experimenting with statically-typed Lisp
Model
B2C
Solves
Enables users to experiment with statically-typed Lisp code directly in the browser without local setup.

Developer

Coaltonlang
Community-driven
↗ GitHub

Open source

View on GitHub →
⭐ Stars
1,690
🍴 Forks
103
Open issues
178
Last commit
2mo ago
Commits 90d
254
Contributors
57
Authorship
Community-driven
Default branch
main
Latest release
mine-v0.1.6 · 2mo ago

PulseGate index

Confidence
High · 95
Indexed
Jun 16, 2026
Lifecycle
Alive
Activity
Active
First seen
Dec 2024
Last seen
4w ago
Freshness
Unknown
Identity audit (9)
Entity ID
cmqg1w6n309u6gynzj0ysen1k
Slug
coalton-playground-interactive-statically-typed-lisp-coalton-app
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 16, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jun 17, 2026
Canonical URL
https://coalton.app/

Similar apps

Other apps tracked under the same category.

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    starworks.cc
  • WebLLM Playground
    huggingface.co
  • Gerbil Playground
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