Amplitude vs SignNow

Amplitude 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.

Amplitude (rank #93) holds a narrow lead over SignNow (rank #209) on the overall Smoower ecosystem score (56 vs 49). The gap of 7 points reflects composite signals across code, docs, community and reach.

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

Amplitude carries 3,167 GitHub stars across 151 public repos, with 39 repositories active in the last 90 days and 23 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 Amplitude's footprint is roughly 33.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Amplitude is the stronger read for anyone weighting momentum. SignNow 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.