4
Boomerang
Boomerang for Gmail helps users manage message timing, follow-ups, and meeting scheduling.
Free planAndroidiOSWebAPI
8.1From $4.98 a month
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5
Mixmax
Mixmax is a sales engagement platform for revenue teams that works inside Gmail and Outlook.
Free planWebAPIExtensionLinux
8.1From $29 a month
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6
Mailtrack
Mailtrack is an email-tracking service for Gmail that records opens with a tracking pixel and shows delivery and open status with check marks.
Free planAndroidiOSWebAPI
8.0From $6.99 a month
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7
Right Inbox
Right Inbox is a Gmail productivity tool for tracking, scheduling, and automating email.
Free planWebExtensionLinuxmacOS
7.9From $9.95 a month
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8
Instantly
Instantly combines cold email automation with a built-in B2B lead database for sales outreach.
AndroidiOSWebAPI
7.8From $47 a month
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9
Close
Close is sales software with a visual pipeline, synced email, marketing automation, AI features, and mobile apps for iOS and Android.
AndroidiOS
7.6From $9 a month
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10
Salesforce Sales Cloud
Salesforce Sales Cloud is a CRM for managing sales activity through a browser extension and mobile app.
Free planExtension
7.4From $25 a month
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11
Streak
Free planAndroidiOSWeb
7.4From $59 a month
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12
Yesware
Yesware is a sales engagement platform that brings email tracking, templates, and automated outreach into Gmail and Outlook.
Free planWebExtensionmacOSWindows
7.3From $19 a month
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13
Apollo
Apollo is a data intelligence and sales engagement platform for go-to-market teams.
Free planWebAPIExtension
7.2From $49 a month
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14
Klenty
Klenty is a sales engagement platform for phone-first SDR teams.
WebAPIExtension
7.2From $50 a month
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15
Saleshandy
Saleshandy is a multichannel outbound platform for finding leads, contacting prospects, and booking meetings.
AndroidiOSWebAPI
7.2From $34 a month
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16
Woodpecker
Woodpecker is a cold email and LinkedIn outreach tool for businesses running outbound campaigns.
WebAPIExtension
7.2
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17
Salesmate
AndroidiOSWeb
7.1From $23 a month
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18
Salesflare
Salesflare is paid sales software with a visual pipeline, email synchronization, marketing automation, and AI features.
AndroidiOSWebWindows
7.0From $39 a month
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19
Salesloft
Salesloft describes its product as a predictive revenue system that turns signals across a company's revenue stack into prioritized actions for revenue teams.
AndroidiOSWebAPI
7.0
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20
Relate Engage
Relate Engage is an email communication and sequencing tool for automated outbound email, paired with CRM, calendar, and deal features.
Free planWebmacOSWindows
6.9From $60 a month
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21
SalesBlink
SalesBlink is an AI cold email outreach platform for finding leads, building sequences, and booking meetings.
AndroidiOSWebAPI
6.9From $25 a month
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22
MailTag
MailTag sorts incoming email into categories in an inbox a user already uses.
Free planWebAPI
6.8From $79 a year
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23
MailTracker
MailTracker is a Gmail email-tracking service delivered through a Chrome extension, with a web platform also listed.
Free planWebExtension
6.8From $29.99 a month
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24
Snov.io
Snov.io is a lead generation and sales outreach platform for finding prospects, enriching contact data, and running email and LinkedIn campaigns.
WebAPIExtension
6.8From $39 a month
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25
EmailSavy
EmailSavy tracks email opens, clicks, and replies, then provides follow-up alerts.
Free planWebExtension
6.6From ₹99 a month
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26
Intelliverse Email Tracker
Intelliverse Email Tracker sends real-time alerts when recipients open tracked messages or click links.
Free planWebExtensionWindows
6.6From $4.99 a month
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27
lemlist
lemlist is a paid sales engagement platform for finding leads, personalizing outreach, and running campaigns across several channels.
WebAPIExtension
6.6From $55 a month
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28
OutMass
OutMass is a Chrome and Edge extension that adds mail merge and mass email tools to Outlook on the web.
Free planWebExtension
6.6From $9 a month
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29
PitchTrack
PitchTrack is a Gmail-focused service for music outreach, combining email tracking, personalized broadcasts, and contact management.
Free planWebExtension
6.6From $9.99 a month
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30
Reply.io
Reply.io is a sales engagement and cold email outreach platform for businesses and sales teams.
WebAPIExtension
6.6From $59 a month
Visit

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