Jitsu
Open-source event data collection platform for modern data teams
About Jitsu
Jitsu is a 100% open-source (MIT license) event data collection platform that captures behavioral data from websites, apps, emails, chatbots, and CRMs into your data warehouse. As a Segment alternative, it offers real-time event streaming, automatic identity resolution, and scriptable data transformation functions with support for major warehouses including Snowflake, BigQuery, Redshift, Postgres, and a free built-in ClickHouse instance.
Pros & Cons
Pros
- Fully open-source under MIT license with no vendor lock-in
- Free tier includes 200k events and a built-in ClickHouse instance
- Segment-compatible API makes migration straightforward
- Real-time identity graph resolves users automatically without SQL
- Custom domain deployment reduces data loss from ad blockers
- Scriptable functions allow flexible data transformation before warehouse storage
Cons
- Small team (4 employees) may limit support response times and feature velocity
- Self-hosting requires DevOps expertise to set up and maintain
- Limited community and ecosystem compared to established alternatives like Segment
- Paid plan jumps to $99/month which may be steep for small projects exceeding the free tier
- Enterprise pricing requires contacting sales with no transparent pricing available
Key Features
Real-Time Event Collection
Capture behavioral data from web, app, email, chatbot, and CRM sources with simple tag-based implementation comparable to Google Analytics
Jitsu Functions
JavaScript-based event modification, filtering, and augmentation before warehouse storage with full access to npm packages
Identity Graph
Automatic real-time identity graph construction that incrementally resolves user identities without complex SQL matching
Multi-Warehouse Support
Send data to Snowflake, BigQuery, Redshift, Postgres, MySQL, or use the included free ClickHouse instance
Ad-Blocker Resilience
Custom domain deployment minimizes ad-blocker impact on data collection accuracy
Segment API Compatibility
Drop-in replacement for Segment with compatible APIs for easy migration
Connectors & Syncs
Unlimited connectors for pulling data from third-party sources with configurable sync frequencies
Self-Hosting Option
Deploy on your own infrastructure with the MIT-licensed open-source codebase and no usage limits
Events Debugger
Built-in debugging tools to inspect and troubleshoot event data in real-time
Configuration API
Programmatic access to manage sources, destinations, and functions via REST API
Pricing
- 200k active events/month
- Unlimited captured events
- 1 daily active sync
- Free ClickHouse instance
- Events debugger
- Unlimited destinations
- Custom domains
- 2M active events/month
- $40 per additional 1M events
- Up to 5 monthly active syncs
- 1-hour sync frequency
- ClickHouse UI/API access
- Unlimited destinations
- Custom domains
- Configuration API
- MIT license
- Self-hosted on any cloud
- No usage limits
- Community support
- Full source code access
- Custom event limits
- 1-minute sync frequency
- Unlimited monthly active syncs
- Dedicated support
- Private cloud or on-prem deployment
- Custom SLAs
Best For
Product Analytics Data Pipeline
Collect user behavior events from web and mobile apps and stream them into your data warehouse for analysis with tools like dbt, Metabase, or Looker
Segment Replacement
Migrate from Segment to an open-source alternative with compatible APIs while reducing costs and maintaining data ownership
Marketing Attribution
Track user interactions across channels including email, chatbots, and CRM to build a unified identity graph for attribution modeling
Privacy-First Analytics
Self-host the platform to keep all user data on your own infrastructure, meeting compliance requirements for GDPR and other privacy regulations
Real-Time Event Processing
Use Jitsu Functions to filter, enrich, and transform events in real-time before they reach your data warehouse
Similar Tools
Vista Social
AI-powered command center for social media management
Buffer
Simple, intuitive social media scheduling for growing brands
Google Analytics
Measure marketing ROI and track web and app traffic
Browse AI
Scrape and monitor data from any website with no code
Databox
Connect all your data and track performance in one place
Proposify
Professional, branded proposals from conversation to close