Req is a batteries-included HTTP client for Elixir.

Mocks and explicit contracts for Elixir

The Official Elixir client for Sentry

Official PostHog Elixir SDK

It's your application config but simply mocked with NimbleOwnership like Mox

Abstract HTTP library with unique mocking capabilities

Your guide to Elixir logger handlers

A test OpenTelemetry span processor for Elixir