The honest version of "does it integrate with my software." These are the systems this industry actually runs on, and what each one means for a build.
Cornerstone / AVImarkPractice management
Long-established systems of record covering the medical record, scheduling, inventory and invoicing, with integration typically running through vendor programs.
ezyVet / Vetspire / ShepherdPractice management
The cloud-native alternatives, with genuinely modern interfaces and far easier integration, increasingly common in newer and multi-site practices.
Client communicationFront office
Vetstoria, Weave, PetDesk and similar, handling reminders, confirmations, two-way text and online booking.
Pharmacy and refillsClinical
In-house dispensing plus online pharmacy authorizations, which arrive continuously and each require a veterinarian's approval.
DiagnosticsClinical
IDEXX and Antech integrations returning results into the record, and the follow-up conversations those results generate.
Payments and wellness plansRevenue
Payment processing plus subscription wellness plans, where a failed payment quietly ends a plan.
Referral and specialtyCoordination
Referrals to and from specialty and emergency practices, with records moving by email and fax.