app.snov.io Collecting email address from company name Free & Premium Features.
Creating Mail Address List From Name and Surname
metricsparrow.com Creating email address from Name & Surname (Like bruteforce with wordlist)
Verification Mail Address
Verification with this python script : github.com/0xhav0c/valid-email-scanner
You can use the following online applications to determine the valid ones from the found email addresses.
listcleaningadvice.com Email verifier application list
client.myemailverifier.com Email verifier
quickemailverification.com Email verifier
app.emailable.com Email verifier