Amadeus IT Group vs Fastmail

Amadeus IT Group (The official global GitHub of Amadeus IT Group, hosting Open Source content. Amadeus provides the technology that keeps the travel sector moving.) and Fastmail (Open-source software developed at Fastmail.) both appear on the Smoower Developer Ecosystem Index.

Amadeus IT Group and Fastmail sit at essentially the same overall ecosystem score (40), which is unusual and worth reading through the pillars below.

On code quality (the state of repositories, tests, releases and polish), Amadeus IT Group is clearly ahead of Fastmail. On education (docs, guides and learning material for developers), Fastmail is clearly ahead of Amadeus IT Group. On community (issue response, PR reviews and discussion health), Amadeus IT Group is ahead of Fastmail. On reach (how visible the ecosystem is beyond its own repos), Fastmail is clearly ahead of Amadeus IT Group. On momentum (release cadence and how fast the ecosystem moves), Amadeus IT Group is ahead of Fastmail.

Amadeus IT Group carries 1,712 GitHub stars across 196 public repos, with 72 repositories active in the last 90 days and 25 external contributors on record. Fastmail shows 6,316 stars across 38 public repos, 12 active in the last 90 days and 2 external contributors. The star gap on its own does not decide the comparison, but Fastmail's footprint is roughly 3.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Amadeus IT Group is the stronger read for anyone weighting code quality. Fastmail looks better where reach is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.