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Gleam vs Erlang/OTP: catalog facts
Gleam	Erlang/OTP
Free Free and open source, supported by sponsors.	Free Free and open source.
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	Lightweight processes and message passing built into the language OTP design principles for supervised, fault-tolerant applications
Younger language with a smaller community than Erlang or Elixir	Functional style and syntax take time to learn for newcomers Better suited to servers and distributed systems than desktop apps
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Apache-2.0
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 September 24, 2026

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