eSync 3.1.5 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The software lies within Communication Tools, more precisely E-mail Tools. The most popular versions among eSync users are 3.1 and 2.7. Commonly, this program's installer has the following filenames: esync.exe, eSyncReminder.exe and SyncronTester.exe etc. This free program was originally created by Henry Schein, Inc.
From the developer:
eSync facilitates the real-time transfer of information from your eService product to your Dentrix database to improve efficiency and automation in front office tasks.
Address Correction:
NCOA verification (a feature of QuickBill) checks a national database to identify postal customers that have relocated. By comparing mailing lists against the database, it ensures the accurate delivery of patient statements and reduces undeliverable mail.
You may want to check out more software, such as Live Signatures, Sperry Software - Always BCC or Recovery for Exchange OST, which might be related to eSync.