Gleam

Spec sheet

Purpose

Gleam is a friendly language for building type-safe systems that scale.Read 12 Oct 2026 · gleam.run

Platforms

Gleam provides precompiled executables for Linux, macOS, and Windows on aarch64 and x86_64; Android is listed among operating systems it makes an effort to support.Read 11 Oct 2026 · gleam.run

Security

Gleam’s documentation includes a guide to creating a software bill of materials for Gleam projects using the OSS Review Toolkit.Read 12 Oct 2026 · gleam.run

Support

The project directs users to its Discord server to get help or share their work.Read 12 Oct 2026 · gleam.run

Maker

The site footer credits Louis Pilfold; the opened pages do not state a headquarters or founding year.Read 11 Oct 2026 · gleam.run

Audience and use

The FAQ describes Gleam as production-ready and says it is ready for mission-critical workloads.Read 12 Oct 2026 · gleam.run

Browser learning

The language tour is an in-browser interactive introduction that teaches the whole language.Read 11 Oct 2026 · gleam.run

Concurrency

The Erlang virtual machine provides multi-core actor-based concurrency and fault-tolerant execution for Gleam programs.Read 12 Oct 2026 · gleam.run

Dependency resolution

YesRead 22 Sep 2026 · gleam.run

Editor support

The product site lists editor integrations among the built-in Gleam tools.Read 12 Oct 2026 · gleam.run

Elixir interoperability

Gleam’s build tool can compile Elixir dependencies and source files in a Gleam project, provided Elixir is installed.Read 12 Oct 2026 · gleam.run

Interop

Gleam can use Erlang and Elixir code, and the build tool can compile Elixir dependencies and source files in a Gleam project.Read 11 Oct 2026 · gleam.run

JavaScript interoperability

Gleam can compile to JavaScript for use in browsers or other JavaScript environments and generates TypeScript definitions.Read 12 Oct 2026 · gleam.run

Lockfile support

YesRead 22 Sep 2026 · gleam.run

Maintenance limit

Typically, only the latest minor version receives bug fixes and security fixes.Read 11 Oct 2026 · gleam.run

Operating systems

The project provides precompiled executables for Linux, macOS, and Windows; it also makes an effort to support Android, with a lower level of support.Read 12 Oct 2026 · gleam.run

Package ecosystem

Gleam projects can use published packages written in Gleam, Erlang, or Elixir through the wider BEAM ecosystem.Read 12 Oct 2026 · gleam.run

Package formats

Gleam,Erlang/rebar3,Elixir/MixRead 22 Sep 2026 · gleam.run

Packages

Gleam projects can use published packages written in Gleam, Erlang, or Elixir.Read 11 Oct 2026 · gleam.run

Private registry auth

NoRead 22 Sep 2026 · gleam.run

Production use

The FAQ describes Gleam as production-ready and says it is ready for mission-critical workloads.Read 11 Oct 2026 · gleam.run

Runtime

Gleam runs on the Erlang virtual machine and JavaScript runtimes.Read 11 Oct 2026 · gleam.run

Runtime targets

Gleam compiles for the Erlang and JavaScript runtimes.Read 12 Oct 2026 · gleam.run

Security guidance

The documentation includes a guide to generating a software bill of materials for a Gleam project using the OSS Review Toolkit.Read 11 Oct 2026 · gleam.run

Security updates

The compatibility reference says bug fixes and security fixes typically go only to the latest minor version.Read 12 Oct 2026 · gleam.run

Supported platforms

Linux,macOS,Windows; Erlang/OTP and JavaScript runtimesRead 22 Sep 2026 · gleam.run

Targets

Gleam compiles to Erlang abstract forms, Erlang source code, and JavaScript source code.Read 11 Oct 2026 · gleam.run

Toolchain

Gleam includes a compiler, build tool, formatter, editor integrations, and package manager.Read 12 Oct 2026 · gleam.run

Tooling

The Gleam build tool supports creating projects, building, testing, running them, and managing dependencies.Read 11 Oct 2026 · gleam.run

Type safety

Gleam describes its type system as practical and says it has no null values or exceptions, with clear error messages.Read 12 Oct 2026 · gleam.run

Type system

The official site describes Gleam as having a practical type system, clear error messages, and no null values or exceptions.Read 11 Oct 2026 · gleam.run

Where Specifiction places it

• Package Managers#56 of 937.7