Free and open first
Best Relationship Intelligence Software in 2026
Relationship intelligence software helps make connections across accounts and people useful to sales work. Compared on network data sources, relationship history, and relationship scoring, these entries can be weighed by how they surface connections and describe their relevance. Warm intro paths and team visibility offer further points to consider, while account engagement and CRM writeback relate to how relationship information connects with sales activity. Free plan availability and paid-from pricing provide cost context. Connect The Dots, Happenstance, and Draftboard are among the options, alongside Introd and 4Degrees. Think about which relationship signals matter to your outreach and how your team needs to share them.
- 26 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Connect The Dots
Free plan AndroidAPIiPhone+2Connect The Dots combines searchable relationship data, warm-path discovery and direct-connection job-change alerts. Consider its email-data approach and Free plan limits when choosing a plan.
- 2
Happenstance
Free plan APIExtensioniPhone+1Happenstance focuses on finding people and warm paths from connected networks, with group sharing and developer access also available.
- 3
Draftboard
Free plan APIExtensionWebDraftboard focuses on finding and acting on warm introduction paths, including paths that emerge from pooled teammate networks.
- 4
Introd
Free plan ExtensionWebIntrod combines network discovery with tools for assessing paths and managing introductions. Its free plan is limited, and Pro is listed at $99 a month.
- 5
The Swarm
Free plan APIExtensionSelf-hosted+1The Swarm pairs contact and company data with tools for finding and managing relationship paths. Account for connector and credit limits, especially if you need API access or live profile enrichment.
- 6
Kumu
Free plan Self-hostedWebChoose Kumu when relationship mapping, built-in network analysis, and interactive sharing are central to your work.
- 7
Polinode
Free plan APIWebPolinode provides several ways to gather network data and analyze it, with account tiers that differ in private-network limits and support.
- 8
Village
Free plan APIExtensionWebVillage combines network search, relationship mapping and prospect workflows for warm-introduction use cases.
- 9
intelligence.com
Free plan Webintelligence.com uses existing relationships to surface possible introduction paths and suggest next steps.
- 10
Affinity
Free trial AndroidAPIExtension+2Choose Affinity if your private capital team needs activity capture, relationship intelligence, and deal workflows in a CRM.
- 11
ThreadMap
Free plan WebThreadMap focuses on organizing Gmail relationships, scoring engagement, and identifying quiet contacts.
- 12
Boomerang AI
Free trial APIExtensionWebBoomerang AI focuses on turning existing relationships into tracked buyer introductions. Its plan limits, integrations, and data permissions are important considerations for revenue teams.
- 13
Andsend
Free trial ExtensionWebChoose Andsend if your work depends on professional relationships and you want relationship signals, message suggestions, and a shared LinkedIn and email inbox.
- 14
4Degrees
Paid AndroidAPIExtension+24Degrees brings relationship intelligence, deal tracking, and contact enrichment together for private-market teams.
- 15
BoardEx
Paid AndroidAPIiPhone+2BoardEx combines executive profiles and relationship mapping with search and integration options for organizational users.
- 16
LeadDelta
Free trial ExtensionWebLeadDelta brings LinkedIn relationship management, discovery, enrichment and messaging into one workspace.
- 17
NetworkOS
Free trial ExtensionWebNetworkOS focuses on controlled introductions, relationship visibility, and approved follow-up. Its beta status, paid plans, and connector permissions merit review before adoption.
- 18
ExecAtlas
Paid AndroidAPIiPhone+1Choose ExecAtlas if your team needs relationship mapping, executive transition updates, and CRM enrichment to find paths to decision-makers.
- 19
Relationship Science (RelSci)
Paid AndroidAPIiPhone+1RelSci combines relationship mapping and filtered searches with alerts, research tools, and ways to bring data into Salesforce or other systems.
- 20
RelPro
Paid AndroidAPIExtension+2RelPro combines company and people research with specialty data and CRM-oriented prospect workflows.
- 21
Introhive
Paid APIWebChoose Introhive if a professional services firm needs to uncover relationship paths and bring contact and activity data into its CRM workflows.
- 22
6degrees.ai
Paid Extension6degrees.ai focuses on finding and maintaining team-based routes to decision-makers, with CRM viewing and LinkedIn connection import.
- 23
Inroad Engine
Paid WebChoose Inroad Engine if your B2B process depends on finding warm introductions, scoring prospects, and coordinating relationship data across supported CRMs.
- 24
AVNIR
Paid WebConsider AVNIR if your B2B team relies on relationships to reach target accounts and wants organization-wide warm-path mapping with suggested next steps.
- 25
VieuGraph
Paid APIExtensionWebVieuGraph combines relationship signals and agent-oriented access to help teams explore connections to target accounts.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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