
PopSQL
DrawSQL
Numeracy
AI2sql
SQLizer API
SQL School
Notion SQL Learning
Execute SQL queries inside of Slack

CertChime
CertNotify
Certmon.net
Domain Trust Watch
CertsMonitor
TokenTimer.ch
Nyrolo
Monitor SSL certificates, domain expiry, and DNS/DNSSEC across all your sites. Track every DNS record change and get alerted on Slack, email, or webhook before anything lapses — so you never find out from your customers.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | github.com | certly.dev |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


No analysis of Slack SQL yet.
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