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Haskelly installs statistics

By UCL · VS Code Marketplace · Programming Languages

Complete support for casual and expert Haskell development.

View on VS Code Marketplace Fresh · Oct 19, 2026

Haskelly has 118,850 recorded installs on VS Code Marketplace.

It ranks #2148 of 2,501 tracked VS Code Marketplace listings by installs.

It is rated 3.6 out of 5 from 13 ratings.

PluginStats has 4 daily observations since Oct 16, 2026; the latest is from Oct 19, 2026.

Installs
118,850
Official API · Oct 19, 2026
7-day growth
—
Insufficient history
30-day growth
—
Insufficient history
90-day growth
—
Insufficient history
Rank
#2148
Among tracked VS Code Marketplace listings

Rating: 3.62 / 5 from 13 ratings

About Haskelly

Haskelly

Release notes | Roadmap | Demo Video

Haskelly is a Visual Studio Code extension that supports Haskell development.

Features

• Code highlight • Haskell (.hs and .lhs) and Cabal via automatic dependency on Haskell Syntax Highlighting. • Code snippets • Structures : data, newtype, etc. • Popular functions : map, fold, etc. • Type hovers •

• Jump to definition • Jump to symbol definitions/declarations • Find references • Find references within a module or depending modules. See limitations on #62 • Code completion : • Local functions and constants • Standard library • Imported modules • Integrated REPL, Build, Test and Run commands • repl with GHCi • build with stack • run with runHaskell • test current file prop_* properties with QuickCheck • run full test suite with Stack test

Installation

• Install the Haskelly VS Code extension. • Install Stack and add it to your PATH. Note that Stack folder naming conventions must be followed for it to work correctly, i.e. capitalizing folder names. • Install Intero (code completion and type information), QuickCheck (test suite) and stack-run:

Configuration

Haskelly is customizable (see Code > Preferences > Workspace Settings).

| Parameter | Description | Default |

| haskelly.codeCompletion | Code completion enabled | true | | haskelly.buttons.ghci | GHCi button shows in the bottom bar | true | | haskelly.buttons.runfile | Run file button shows in the bottom bar | true | | haskelly.buttons.quickcheck | QuickCheck button shows in the bottom bar | true | | haskelly.buttons.stackBuild | Stack build button shows in the bottom bar | true | | haskelly.buttons.stackBuildParams | Parameters passed to stack build command| --fast | | haskelly.buttons.stackRun | Stack run button shows in the bottom bar | true | | haskelly.buttons.stackRunParams | Parameters passed to stack run command | null | | haskelly.buttons.stackTest | Stack test button shows in the bottom bar | true | | haskelly.buttons.stackTestParams | Parameters passed to stack test command | null | | haskelly.snippets.important | Hide code completion for which there's already a snippet | false | | haskelly.snippets.custom | Add your custom snippets following the structure of this file| null | | haskelly.exec.reuseTerminal | Reuse the currently opened terminal to run Stack commands | false |

Contributing

If you'd like to contribute to Haskelly, this is what you can do:

• Bugs: This extension is in alpha, so some bugs might be present. We would really appreciate if you could post any issue on the Github repository issues section or contact us at: zcabmse@ucl.ac.uk. • Ideas and feature requests: We want to get everyone's opinion on what we're building so feel free to use the two mentioned channels for any comment or suggestion. • Documentation: Found a typo or strangely worded sentences? Submit a PR! • Code: Contribute bug fixes, features or design changes.

License: GNU 3

Description from the VS Code Marketplace listing.

  • cabal
  • haskell
  • highlight
  • intero
  • snippet
  • snippets
  • stack

Where Haskelly sits in the listing

Each band is one page of 20. Installs on a log scale. Placement is projected from installs, so it can differ from the marketplace's own sort order. Hover a dot to see the listing.

All VS Code Marketplace2,501 listings · 126 pages · page 108, #8 (overall #2148)
All VS Code Marketplace: every listing in installs order
PNG SVG
Programming Languages792 listings · 40 pages · page 35, #10 (overall #690)
Programming Languages: every listing in installs order
PNG SVG
Snippets489 listings · 25 pages · page 21, #20 (overall #420)
Snippets: every listing in installs order
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Charts

Images: 30d · 1y · all time · 1600×900 dark

Adoption over time

Haskelly installs on VS Code Marketplace, last 90 days: 118,850 installs as of Oct 19, 2026.HaskellyInstalls on VS Code Marketplace · Last 90 days118,850installs118.8K118.8K118.8K118.8K118.8K118.8K118.9KJul 21Aug 5Aug 20Sep 4Sep 19Oct 4Oct 19installsobservedarchived (Internet Archive)no observationsOct 16, 2026 – Oct 19, 2026 · 4 observations · Updated Oct…pluginstats.com
Haskelly installs on VS Code Marketplace, last 90 days: 118,850 installs as of Oct 19, 2026.
PNG SVG

7/30/90-day growth

Haskelly installs growth on VS Code Marketplace: 7-day growth unavailable, 30-day growth unavailable, 90-day growth unavailable.HaskellyInstalls growth on VS Code Marketplace118,850installs now7-day growthinsufficient historyInsufficient history30-day growthinsufficient historyInsufficient history90-day growthinsufficient historyInsufficient historyGrowth vs. nearest observation to each baseline date · Updated Oct 19, 2026pluginstats.com
Haskelly installs growth on VS Code Marketplace: 7-day growth unavailable, 30-day growth unavailable, 90-day growth unavailable.
PNG SVG

Ranking history

Haskelly VS Code Marketplace ranking history: currently #2148 (by installs).HaskellyVS Code Marketplace ranking · by installs · Last 90 days#2148current rank#2146#2147#2148#2149#2150Jul 21Aug 5Aug 20Sep 4Sep 19Oct 4Oct 19rankOct 16, 2026 – Oct 19, 2026 · 4 observations · Updated Oct 19, 2026pluginstats.com
Haskelly VS Code Marketplace ranking history: currently #2148 (by installs).
PNG SVG

Ratings over time

Haskelly ratings on VS Code Marketplace, last 90 days: 13 ratings as of Oct 19, 2026.HaskellyRatings on VS Code Marketplace · Last 90 days13ratings11.51212.51313.51414.5Jul 21Aug 5Aug 20Sep 4Sep 19Oct 4Oct 19ratingsobservedarchived (Internet Archive)no observationsOct 16, 2026 – Oct 19, 2026 · 4 observations · Updated Oct…pluginstats.com
Haskelly ratings on VS Code Marketplace, last 90 days: 13 ratings as of Oct 19, 2026.
PNG SVG

Filled points are observed values; hollow points come from Internet Archive snapshots of the listing page. Dashed segments span periods with no observations — values between points are not interpolated.

Recent observations

Full history (4)
Recent installs observations for Haskelly
Date (UTC)InstallsChange vs. previous
118,850+5
118,8450
118,845+1
118,844—

Similar VS Code Marketplace Programming Languages plugins

Data source

Install counts, average rating, and rating counts come from the public Visual Studio Marketplace gallery API. Installs are cumulative and exclude updates.

Listing: https://marketplace.visualstudio.com/items?itemName=UCL.haskelly. First seen Oct 16, 2026; last successful collection Oct 19, 2026. See the methodology.