Calendly is the category leader, and the editorial work has to be honest about what that means competitively. The product is good. The UX is genuinely the best in the category. The market-share advantage (estimated 80%+ of B2B knowledge-worker calendar usage) is a real moat — your prospects already know how the booking flow works because they've used it for someone else's meeting last week. That familiarity is worth more than the feature gaps versus competitors.
Where Calendly falls short isn't features — it's economics. The free tier locks you to one event type and one host. Round-robin scheduling requires Teams ($16/seat/mo). Account-based routing requires their highest tier or a Chili Piper integration. For sales teams growing past 3-4 reps, the per-seat math gets uncomfortable fast, and that's the inflection point where Cal.com (self-hostable, open-source) or SavvyCal ($12/mo flat) become defensible alternatives.
The positioning question is whether Calendly's market-share advantage is worth the per-seat premium at your scale. For a 1-3 person team where prospects' Calendly familiarity is the dominant variable, the answer is yes. For a 10+ person sales org evaluating booking infrastructure cost, it tips toward Chili Piper (better routing) or Cal.com (lower cost, similar capability).
On affiliate disclosure: Calendly doesn't run a public affiliate program. We earn $0 from Calendly conversions. /r/calendly routes to calendly.com unchanged. We rank Calendly at 8.5 — second-highest in calendar-booking — based on product quality and market position, not on affiliate economics. If commission rate drove our ranking, we'd push Cal.com (10% × 12mo) and SavvyCal (20% × 12mo) above Calendly on every page. We don't, because that wouldn't match the buyer's actual situation.