Fewer required fields
Mandatory only where a report genuinely depends on it. Everything else optional, and filled in because it is useful.
Sales teams do not resist CRM because it is complicated. They resist it because it takes time and gives nothing back. Vtiger configured properly gives something back on the same day: fewer forgotten follow-ups, faster quotes, and a manager who stops asking for updates.
Where the time goes back
Deals in stages you can drag between, filtered by owner, amount, team or timeframe. The Friday spreadsheet stops existing.
Routing by product expertise, territory or workload, with the follow-up task created automatically. Nobody waits for someone to notice an email.
Individual and team pipeline health, deal size, projected close, and where things stall. Coaching conversations based on evidence instead of impressions.
Smart alerts when an opportunity goes quiet, so somebody intervenes while it is still recoverable rather than at the quarterly review.

Dashboards read the actual pipeline. Quotas and targets track per person. The forecast stops being a negotiation between managers.
Calculus analyses calls and emails for engagement, sentiment and blockers, and flags the conversations a manager should listen to. Used for coaching, not surveillance — and we set it up that way deliberately.

The bit most people skip
If reps are not using the CRM, the usual cause is that someone made fifteen fields mandatory on a record they fill in from a car park. We build for the least enthusiastic person on your team, because they decide whether your data is any good.
Mandatory only where a report genuinely depends on it. Everything else optional, and filled in because it is useful.
If updating a deal after a meeting takes more than thirty seconds on mobile, it will happen tomorrow, which means never.
A rep, a manager and an administrator get three different sessions. The administrator gets the long one.
Including the parts held together by one person's memory. That is usually where the useful conversation starts.