Buyer's guide · Updated 2026

The 8 best real estate brokerage software platforms in 2026

We evaluated the top real estate brokerage software on IDX, built-in CRM, agent websites, back-office management, AI marketing, pricing, and contract terms. Here's how the leading platforms actually stack up — with an honest breakdown of who each is for.

TL;DR

  • • Best overall: Horizon Digital Group — IDX + agent sites + CRM + AI, free to start.
  • • Best back-office: TotalBrokerage or BrokerSumo — if commissions are your only need.
  • • Best for large enterprise: BoomTown — mature CRM, expect setup fees.
  • • Best for commercial: Buildout — purpose-built for CRE.

The full ranking

#1

Horizon Digital Group

Free — paid plans available
4.9/5

All-in-one brokerage software: IDX websites, CRM, AI marketing, and agent subsites in one platform.

Best for: Independent brokerages and growing teams that want IDX, CRM, agent websites, and AI marketing without setup fees or annual contracts.

Pros
  • Brokerage site + unlimited agent subsites bundled
  • IDX + CRM + AI marketing — no add-ons or setup fees
  • Launches in under an hour, no onboarding contract
  • Month-to-month pricing, scales from 5 to 500 agents
Cons
  • Newer platform vs. legacy back-office incumbents
See Horizon for brokerages
#2

TotalBrokerage

$300+/mo per office
4.1/5

Back-office brokerage management with CRM and transaction tracking.

Best for: Mid-size brokerages that need commission tracking and transaction management above all else.

Pros
  • Commission and back-office tracking
  • Transaction management built in
Cons
  • Dated UI
  • Weak IDX/website story
  • No AI marketing
#3

BoomTown

$1,000+/mo + setup
4.0/5

Enterprise CRM + IDX for large brokerages.

Best for: Large brokerages with a dedicated tech budget and appetite for annual contracts.

Pros
  • Mature CRM and lead routing
  • Managed lead-gen service
Cons
  • Dated templates
  • Setup fee + long contract
  • No AI content engine
Horizon vs BoomTown →
#4

Sierra Interactive

$500+/mo + setup
3.9/5

IDX + CRM platform for producing teams and brokerages.

Best for: Producing teams and brokerages willing to invest in onboarding.

Pros
  • Fast IDX
  • Deep reporting
  • Strong lead routing
Cons
  • Setup fee + annual contract
  • Steep learning curve
  • No AI marketing
Horizon vs Sierra Interactive →
#5

BrokerSumo

$250+/mo
3.8/5

Back-office and commission management for real estate brokerages.

Best for: Brokerages focused purely on back-office accounting and commission disbursement.

Pros
  • Commission automation
  • QuickBooks sync
Cons
  • No IDX or agent websites
  • No CRM
  • No marketing
#6

Chime

$500+/mo
3.7/5

CRM-first platform with IDX sites bolted on.

Best for: Teams and brokerages focused on CRM workflows and dialer-driven prospecting.

Pros
  • Solid CRM workflows
  • Integrated dialer
Cons
  • Sites feel like an afterthought
  • Contract lock-in
  • No AI marketing
Horizon vs Chime →
#7

Real Geeks

$299+/mo
3.6/5

IDX websites + CRM for agents and small brokerages.

Best for: Small brokerages comfortable with template sites and manual workflows.

Pros
  • Solid IDX
  • Straightforward CRM
Cons
  • Template-heavy design
  • Add-ons stack up
  • No AI marketing
Horizon vs Real Geeks →
#8

Buildout

Custom (enterprise)
3.5/5

Brokerage software built for commercial real estate.

Best for: Commercial brokerages managing listings, deals, and pipelines.

Pros
  • Purpose-built for CRE
  • Deal pipeline management
Cons
  • Not for residential brokerages
  • Enterprise pricing only
  • No residential IDX

How we ranked these platforms

Every platform on this list was evaluated on seven criteria: IDX depth, built-in CRM, agent website / subsite support, back-office and transaction management, AI marketing, pricing transparency (free tier, no setup fees), and contract terms. Rankings reflect the platform that delivers the best combination for the widest range of independent and growing brokerages.

Try the #1 pick free

Horizon starts free — launch a brokerage site with IDX, agent subsites, CRM, and AI marketing before paying a cent. No setup fee. No contract.

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