The top free Salesforce AppExchange apps in 2026 are Salesforce Adoption Dashboards, dataloader.io, the #1 Data Loader for Salesforce, QuickBooks Online and Desktop Integration with Salesforce, Outlook Integration for Emails and Calendars - Revenue Grid, and Rollup Helper - A Declarative Roll-up Platform for Salesforce®. This list ranks the top 50 Salesforce AppExchange apps with a $0 pricing tier — meaning the full feature set is available without a payment method. AppRanks pulls pricing tier data daily from each app's marketplace listing, then filters by the explicit "free plan available" flag or a $0 starting price. The ranking within this filtered set uses a Bayesian-ish blend of average rating × natural log of review count, which surfaces apps that are both well-reviewed AND have an established user base. Free here means no card required at install time; in-app upsells are common, but the published free tier carries the entry-level functionality. AppRanks does not normalize prices across regional currency variants — the $0 baseline is what the merchant sees in the United States Shopify locale, which matches Shopify's own canonical pricing field. Apps that switch from free to paid (or vice versa) are reflected in the next 24-hour refresh cycle, so the list stays accurate within one day of a tier change.