Tools directory

Tools. The stack, examined.

A curated reference of the analytics, experimentation, growth, and AI tooling we deploy across engagements — with real pricing and customer signal.

AllAnalyticsProduct AnalyticsData InfrastructureExperimentationCRM & MarketingCustomer SuccessAI & AutomationSales & Outbound
01Google Analytics The industry-standard web analytics platform for tracking traffic, conversions, and user behavior across websites and apps.Analytics
Used by: Airbnb · Spotify · Uber
FreeFreemium + Usage-basedOpen →
02Heap Auto-capture analytics platform that retroactively tracks every user interaction without manual event instrumentation.Analytics
Used by: Twilio · Cloudflare · Calendly
FreeUsage-based (sessions)Open →
03Amplitude Enterprise-grade product analytics platform built for understanding user behavior, retention, and feature adoption at scale.Product Analytics
Used by: Atlassian · Dropbox · PayPal
FreeUsage-based (events)Open →
04Mixpanel Interactive product analytics platform focused on event tracking, funnels, and user journey analysis with a powerful query engine.Product Analytics
Used by: Uber · Yelp · DocuSign
FreeUsage-based (events)Open →
05PostHog Open-source product analytics suite combining event tracking, session replay, feature flags, and A/B testing in a single platform.Product Analytics
Used by: Y Combinator · Airbus · Phantom
FreeUsage-based (events + features)Open →
06Segment Customer data platform that collects, cleans, and routes event data to hundreds of downstream analytics and marketing tools.Data Infrastructure
Used by: IBM · Intuit · Levi's
FreeUsage-based (MTUs)Open →
07RudderStack Open-source customer data platform and event streaming infrastructure built for data warehouse-first architectures.Data Infrastructure
Used by: Crate & Barrel · Priceline · Acorns
FreeUsage-based (events)Open →
08BigQuery Google's serverless, highly-scalable cloud data warehouse designed for fast SQL analytics over massive datasets.Data Infrastructure
Used by: Spotify · UPS · The Home Depot
FreeUsage-based (storage + queries)Open →
09Snowflake Cloud data platform offering scalable warehousing, data sharing, and near-unlimited concurrency for analytical workloads.Data Infrastructure
Used by: DoorDash · Instacart · Adobe
$2/creditUsage-based (compute + storage)Open →
10Optimizely Enterprise experimentation platform for A/B testing, multivariate testing, and personalization across web, mobile, and server-side.Experimentation
Used by: Microsoft · IBM · Visa
$50,000/yearUsage-based (impressions/MAUs)Open →
11LaunchDarkly Feature management platform enabling teams to deploy code and control feature rollouts with granular targeting and instant kill switches.Experimentation
Used by: IBM · Atlassian · Square
$10/seat/moPer seat + Usage (MAUs)Open →
12Statsig Modern experimentation and feature gate platform with built-in product analytics, designed for high-velocity product teams.Experimentation
Used by: Notion · OpenAI · Figma
FreeUsage-based (events)Open →
13HubSpot All-in-one CRM and marketing automation platform covering sales, marketing, customer service, and content management.CRM & Marketing
Used by: Doordash · Reddit · Eventbrite
FreePer Hub + Contacts/SeatsOpen →
14Braze Enterprise customer engagement platform for orchestrating personalized messaging across email, push, in-app, SMS, and more.CRM & Marketing
Used by: Burger King · HBO Max · Skyscanner
$50,000/yearUsage-based (MAUs + channels)Open →
15Iterable Growth marketing platform for creating cross-channel campaigns with workflow automation, AI optimization, and audience segmentation.CRM & Marketing
Used by: DoorDash · Priceline · Zillow
$30,000/yearUsage-based (users + messages)Open →
16Gainsight Enterprise customer success platform for managing health scores, renewals, expansion opportunities, and customer lifecycle workflows.Customer Success
Used by: Cisco · Dropbox · Box
$30,000/yearPer CSM seat + ARR tierOpen →
17Intercom Customer messaging platform combining live chat, chatbots, help center, and proactive messaging for support and engagement.Customer Success
Used by: Amazon · Meta · Microsoft
$39/seat/moPer seat + Usage (resolutions/MAUs)Open →
18OpenAI API API access to GPT-4, DALL-E, and Whisper models for building AI-powered features into products and workflows.AI & Automation
Used by: Stripe · Shopify · Salesforce
Pay-as-you-goUsage-based (tokens)Open →
19Anthropic Claude Constitutional AI assistant with strong reasoning, 200K context window, and focus on safety and helpfulness.AI & Automation
Used by: Notion · DuckDuckGo · Quora
Pay-as-you-goUsage-based (tokens)Open →
20Jasper AI content platform for marketing teams to generate on-brand copy, campaigns, and creative assets at scale.AI & Automation
Used by: VMware · Morningstar · iHeartMedia
$49/moPer seatOpen →
21Zapier No-code automation platform connecting 6,000+ apps to automate workflows without engineering resources.AI & Automation
Used by: Spotify · Adobe · Salesforce
FreeUsage-based (tasks)Open →
22Make (Integromat) Visual automation platform for building complex workflows with powerful data transformation and branching logic.AI & Automation
Used by: Cisco · Spotify · Coca-Cola
FreeUsage-based (operations)Open →
23Hotjar Behavior analytics platform combining heatmaps, session recordings, and feedback tools to understand user experience.Product Analytics
Used by: Microsoft · Adobe · HubSpot
FreeUsage-based (sessions)Open →
24FullStory Digital experience intelligence platform with session replay, product analytics, and AI-powered insights.Product Analytics
Used by: Peloton · Icelandair · JetBlue
$199/moUsage-based (sessions)Open →
25Apollo.io Sales intelligence and engagement platform with 270M+ contacts, email sequencing, and intent data for outbound prospecting.Sales & Outbound
Used by: Autodesk · Rippling · Gong
FreePer seat + creditsOpen →
26Clearbit Data enrichment and intelligence platform for understanding customers, scoring leads, and personalizing experiences.Sales & Outbound
Used by: Segment · Asana · Notion
CustomUsage-based (API calls)Open →
27Outreach Enterprise sales execution platform for managing sequences, calls, meetings, and pipeline with AI-powered insights.Sales & Outbound
Used by: Adobe · Docusign · Okta
$100/user/moPer seatOpen →
28Gong Revenue intelligence platform that captures and analyzes customer conversations to surface insights for sales and success teams.Sales & Outbound
Used by: LinkedIn · Shopify · Hubspot
$100/user/moPer seatOpen →
29Klaviyo E-commerce marketing automation platform for email, SMS, and customer data with deep Shopify integration.CRM & Marketing
Used by: Glossier · Chubbies · ColourPop
FreeUsage-based (contacts + SMS)Open →
30Mailchimp All-in-one marketing platform for email campaigns, automation, landing pages, and basic CRM with a generous free tier.CRM & Marketing
Used by: TED · Vimeo · Shutterstock
FreeUsage-based (contacts)Open →
31Customer.io Behavioral messaging platform for product-led companies to send targeted emails, push, SMS, and in-app based on user actions.CRM & Marketing
Used by: Notion · Segment · Asana
$100/moUsage-based (profiles)Open →
32Calendly Scheduling automation platform that eliminates back-and-forth for meetings with integrations across the sales and marketing stack.Sales & Outbound
Used by: Twilio · Zendesk · La-Z-Boy
FreePer seatOpen →
33Typeform Conversational form builder creating engaging surveys, quizzes, and lead capture experiences with conditional logic.CRM & Marketing
Used by: Airbnb · Nike · Uber
FreePer workspace + responsesOpen →