Official open source libraries - send emails and integrate with our APIs fast.
Twilio SendGrid vs Zscaler, Inc.
Developer ecosystem comparison across GitHub activity, SDKs, documentation, community, reach and momentum.
Twilio SendGrid (Official open source libraries - send emails and integrate with our APIs fast.) and Zscaler, Inc. both appear on the Smoower Developer Ecosystem Index.
Twilio SendGrid (rank #55) holds a modest lead over Zscaler, Inc. (rank #298) on the overall Smoower ecosystem score (60 vs 45). 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), Twilio SendGrid is slightly ahead of Zscaler, Inc.. On education (docs, guides and learning material for developers), Twilio SendGrid is slightly ahead of Zscaler, Inc.. On community (issue response, PR reviews and discussion health), Zscaler, Inc. is slightly ahead of Twilio SendGrid. On reach (how visible the ecosystem is beyond its own repos), Twilio SendGrid is clearly ahead of Zscaler, Inc.. On momentum (release cadence and how fast the ecosystem moves), Zscaler, Inc. is slightly ahead of Twilio SendGrid.
Twilio SendGrid carries 12,177 GitHub stars across 125 public repos, with 23 repositories active in the last 90 days and 9 external contributors on record. Zscaler, Inc. shows 337 stars across 58 public repos, 33 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but Twilio SendGrid's footprint is roughly 36.1x larger, which usually shows up in downstream signals like inbound issues and third party integrations.
Twilio SendGrid is the stronger read for anyone weighting reach. Zscaler, Inc. looks better where momentum 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
| Metric | Twilio SendGrid | Zscaler, Inc. |
|---|---|---|
| Ranking | ||
| Overall rank | #55 | #298 |
| Pillars | ||
| Overall | 60 | 45 |
| Code | 83 | 76 |
| Education | 69 | 65 |
| Community | 36 | 39 |
| Reach | 62 | 37 |
| Momentum | 34 | 40 |
| Builder experience | 0 | 0 |
| Signals | ||
| Stars | 12,177 | 337 |
| Forks | 6,894 | 199 |
| Public repos | 125 | 58 |
| Active repos (90d) | 23 | 33 |
| External contributors | 9 | 11 |
| Avg polish | 91 | 86 |
| Avg AI-readiness | 49 | 61 |