Duolingo vs SignNow

Duolingo and SignNow (SignNow e-signature API - send, sign & embed documents in any app. SDKs for Node.js, Python, PHP, .NET & Java.) both appear on the Smoower Developer Ecosystem Index.

SignNow (rank #209) holds a narrow lead over Duolingo (rank #338) on the overall Smoower ecosystem score (49 vs 43). The gap of 6 points reflects composite signals across code, docs, community and reach.

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

Duolingo carries 1,721 GitHub stars across 12 public repos, with 8 repositories active in the last 90 days and 11 external contributors on record. SignNow shows 96 stars across 16 public repos, 8 active in the last 90 days and 4 external contributors. The star gap on its own does not decide the comparison, but Duolingo's footprint is roughly 17.9x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Duolingo is the stronger read for anyone weighting community. SignNow looks better where education 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.