- Radio.co
- Radius Agent
- Radius CRM
- Ragic
- Railer.com
- Raindrop.io
- Raisely
- Rake
- Raklet
- Rali
- Rally
- Rally Corp
- RallyUp
- Range
- RangeFlow
- RanknRole
- RapidReg
- Rare.io
- rasa.io
- Ratecard
- Raven Tools
- Razorpay
- RD Station
- Re:plain
- Reach.at
- Reachdesk
- ReachMail
- ReadyCloud Suite
- Real Estate Webmasters
- Real Geeks
- Real Magnet
- Real Phone Validation
- Realeflow
- Really Simple Systems CRM
- RealScout
- Realty Executives Prime Agent
- Realty.com
- Realvolve
- RealVuu
- Reamaze
- Rebrandly
- Rebump
- RecallCue
- ReCharge
- Reckon One
- Recognize
- Recras
- Recruit CRM
- Recruitee
- Recruiterflow
- Recruiters*Unite
- Recruitly
- Recurly
- RecurPost
- Red Deer Pathfinder
- red-amber.green
- Redbooth
- Redmine
- RedPodium
- Redtail CRM
- Redtie
- Reepay
- Refcome Teams
- Referral Factory
- Referral Rock
- ReferralHero
- Referrizer
- Refersion
- Refiner
- Reflexion.ai
- RefMonkey
- Reform
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- Refundme.io
- RegFox
- Regiondo
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- Relatable
- Relate
- Relatel
- Relay Construction Solutions
- RELE.AI
- ReleaseNotes
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- Reloadify
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- Relysia
- REMARKETER
- Remarkety
- Remember The Milk
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- Remo Conference
- remove.bg
- RenderForm
- RentCheck
- Rentometer
- Rep.co
- RepairDesk
- RepairShopr
- RepCard
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- Reply
- Replyify
- RepMove
- ReportGarden
- Repsly
- Repurpost
- Repuso
- Request Tracker (RT)
- RequirementOne
- ReSci
- RescueTime
- Reshape API
- RESimpli 2.0
- Resource Guru
- Respond Flow
- respond.io
- Responder (רב מסר)
- ResponseSuite
- Restyaboard
- Retamo
- reteach
- Retentionware
- Retently
- Retrograde by Zapier
- Rev
- Rev.io
- Revaluate
- Revamp CRM
- REVanalytics
- RevBoss
- REVE Chat
- Reveall
- Revel Digital
- RevenueHunt
- RevenueJump
- Review Generation Inc.
- Review Judge
- ReviewInc
- ReviewPoint
- ReviewRail
- Reviews360
- ReviewSender
- ReviewStudio
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- Revolut Business
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- Revv Documents
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- rezora
- Ricochet - Speed to Contact
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- Ridehire
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- RingByName
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- Roadmap
- roam-bot
- ROAR Software
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- RoboRecruiter Application
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- roomvu
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- Route the Service Platform
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- RSS by Zapier
- RSVPify
- Rubypayeur
- Ruler Analytics
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- Run my Accounts
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- Runkeeper
- Runo CRM
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- Runscope
- Runsensible
- RushAnswer
- Ruuster
- RVM Pro
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- Rylee
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- RZQ