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Gleam vs PureScript: catalog facts
Gleam	PureScript
Free Free and open source, supported by sponsors.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Static types on the Erlang VM Compiler, build tool, formatter and package manager in one	Expressive type system with row polymorphism and type classes Compiles to readable JavaScript with easy interop
Younger language with a smaller community than Erlang or Elixir	Smaller ecosystem than mainstream JavaScript or TypeScript Functional style has a learning curve for newcomers
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.