Free and open first
Best Inside Sales Software in 2026
Inside sales software supports prospecting and outreach from digital channels. These tools are available across platforms including web, API, browser extensions, Android, iOS and macOS.
- 30 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
Apollo
Free plan APIExtensionWebApollo brings prospecting data, sales engagement, and account-focused agents together, with a free plan and Chrome extension. Review credit allowances and expiry rules when choosing a plan.
- 2
Mixmax
Free plan APIExtensionLinux+3Mixmax brings sequencing, tracking, scheduling and CRM sync into a Gmail and Outlook workflow. Check the email-provider and Chrome requirements, plus plan recipient limits, before choosing it.
- 3
- 4
Outplay
Free plan ExtensionWebOutplay brings prospect outreach, sequencing and performance reporting into one sales platform.
- 5
Yesware
Free plan ExtensionMacWeb+1Yesware combines email tracking, campaign automation, and reporting for Gmail and Outlook workflows. Check its address compatibility limits and campaign allowances before selecting a plan.
- 6
- 7
Amplemarket
Free trial APIExtensionWebAmplemarket combines prospect research, multichannel engagement, and AI sales features with browser and API access.
- 8
Instantly
Free trial AndroidAPIiPhone+1Choose Instantly if you want cold email automation and B2B lead discovery alongside tools for campaigns and analytics.
- 9
Klenty
Free trial APIExtensionWebKlenty brings multi-channel outreach, dialing and CRM workflow automation together for sales teams.
- 10
- 11
lemlist
Free trial APIExtensionWeblemlist combines lead data, AI assistance, deliverability monitoring, and multichannel messaging in one service. Its trial has defined exclusions, and lemAgent requires a paid upgrade for launch.
- 12
La Growth Machine
Free trial APIWebLa Growth Machine combines multichannel sequences, AI personalization, and a shared inbox for LinkedIn and email replies.
- 13
Nooks
Free trial APIExtensionWebNooks brings outbound dialing, sequencing, signals and coaching together for sales teams. Teams should check CRM fit and required data subscriptions, and pricing requires contacting the company.
- 14
Expandi
Free trial WebChoose Expandi if you need behavior-based LinkedIn sequences, email follow-ups, and a centralized campaign dashboard. The Agency plan adds client reporting and team permissions.
- 15
QuickMail
Free trial APIExtensionWebQuickMail brings multichannel outreach, deliverability controls, provider connections, imports, and reply handling into one service.
- 16
Saleshandy
Free trial AndroidAPIExtension+2Choose Saleshandy if you need multichannel prospecting, lead data, and reply management together, with listed integrations and developer access.
- 17
Meet Alfred
Free trial WebMeet Alfred combines prospect discovery, LinkedIn CRM organization, and outreach automation, with broader channel support on higher plans.
- 18
- 19
Outreach
Paid AndroidAPIiPhone+1Choose Outreach if your team wants prospect engagement, revenue workflows, coaching, and conversation intelligence in one platform.
- 20
Skylead
Free trial APIWebSkylead brings LinkedIn actions, high-volume email and AI assistance into configurable outreach sequences.
- 21
Smartlead
Free trial APIWebSmartlead combines campaign automation, reply handling and AI agents for cold email outreach. Consider the plan-specific contact and send allowances alongside its annual starting price.
- 22
Woodpecker
Free trial APIExtensionWebWoodpecker combines email and LinkedIn outreach with campaign automation, prospecting, and deliverability features.
- 23
- 24
PersistIQ
Free trial ExtensionWebPersistIQ brings prospecting, multichannel sequences, calling, reporting, and CRM connections into one sales engagement platform.
- 25
Revenue.io
Paid AndroidExtensioniPhone+1Revenue.io groups sales calling, engagement, coaching, and AI across three plans for Salesforce teams.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare free-plan access, trial terms and paid starting prices. Review capabilities such as power dialing, sales engagement, lead routing, call recording, email synchronization and outreach channels. If code access matters, review the tool’s open-source licence terms.
Questions
Is inside sales software available for free?
A free plan is offered by tools on this list. Check the plan details to see what is included before relying on it for your workflow.
Do these tools offer free trials?
Free trials are offered by tools on this list. Expandi, Instantly, Klenty, La Growth Machine and lemlist are listed examples, and their trial lengths vary.
Which platforms are supported by these tools?
The listed platform options are web, API, browser extension, Android, iOS and macOS. Verify the platform shown for the specific tool you are considering.
What features should I compare?
Evaluate free-plan availability, starting paid price, power dialing, sales engagement, lead routing, call recording, email synchronization and outreach channels.
Does a free plan mean the code is open source?
No. A free plan concerns access and pricing. If source-code access matters, review the tool’s open-source licence terms.
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