SignNow vs Stamped.io

SignNow (SignNow e-signature API - send, sign & embed documents in any app. SDKs for Node.js, Python, PHP, .NET & Java.) and Stamped.io (Increase brand loyalty. Accelerate brand growth. Stamped.io empowers you to grow your business by enhancing user engagement, increasing revenue, and improving c) both appear on the Smoower Developer Ecosystem Index.

SignNow (rank #209) holds a modest lead over Stamped.io (rank #662) on the overall Smoower ecosystem score (49 vs 32). The gap of 17 points reflects composite signals across code, docs, community and reach.

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

SignNow carries 96 GitHub stars across 16 public repos, with 8 repositories active in the last 90 days and 4 external contributors on record. Stamped.io shows 4 stars across 3 public repos, 0 active in the last 90 days and 0 external contributors. The star gap on its own does not decide the comparison, but SignNow's footprint is roughly 24.0x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

SignNow is the stronger read for anyone weighting momentum. Stamped.io 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.