Developer ecosystem comparison
vs

Discord vs Fastmail

Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.

Discord (A new way to chat with your communities and friends. Discord is the easiest way to communicate over voice, video, and text.) and Fastmail (Open-source software developed at Fastmail.) both appear on the Smoower Developer Ecosystem Index.

Discord (rank #103) holds a modest lead over Fastmail (rank #430) on the overall Smoower ecosystem score (55 vs 40). The gap of 15 points reflects composite signals across code, docs, community and reach.

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

Discord carries 28,570 GitHub stars across 327 public repos, with 36 repositories active in the last 90 days and 41 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 Discord's footprint is roughly 4.5x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Discord is the stronger read for anyone weighting momentum. 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.

Side-by-side metrics

MetricDiscordFastmail
Ranking
Overall rank#103#430
Pillars
Overall5540
Code5435
Education8466
Community4933
Reach4578
Momentum7044
Builder experience00
Signals
Stars28,5706,316
Forks5,687571
Public repos32738
Active repos (90d)3612
External contributors412
Avg polish5335
Avg AI-readiness3714

Fork ecosystems

Loading fork ecosystem…
Loading fork ecosystem…
View Discord developer profileView Fastmail developer profile