5 Best Open Source June Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to June in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for June in 2026? The top open-source alternative is PostHog — Self-driving product analytics platform.
Other highly rated open-source June alternatives include OpenReplay, Countly and Aptabase.
Self-driving product analytics platform
PostHog is an all-in-one product analytics platform that transforms how teams understand and improve their products. By automatically diagnosing problems, fixing bugs, and generating pull requests, PostHog enables teams to work smarter and ship faster. - Automated Issue Detection: Identifies bugs and issues in your product automatically - AI-Powered Fixes: Generates pull requests to resolve detected problems - Context Warehouse: Centralized data warehouse for all product and customer data - Built-in Analytics Tools: Includes product analytics, web analytics, session replay, feature flags, experiments, surveys, and error tracking - AI Observability: Monitor and optimize AI model performance within your product - Self-Hosting Capabilities: Deploy PostHog on your own infrastructure - Slack Integration: Collaborate and triage issues directly from Slack - Managed Warehouse: Cloud-hosted data warehouse option available - No-Code A/B Testing: Run experiments without writing code - Heatmaps & Replay Vision: Visualize user interactions and behavior - CDP (Customer Data Platform): Unify customer data across sources - Traces & Endpoints: Monitor API performance and integrations PostHog is open-source and can be self-hosted on your own infrastructure. It supports deployment on various cloud providers and on-premises environments. The platform is built with Python and JavaScript, using PostgreSQL as its primary database. Comprehensive documentation is available for self-hosting configurations and best practices. View deployment options
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
All-in-one analytics platform for mobile, web, and desktop apps. Track user behavior, monitor performance, and optimize your product.
All-in-one analytics platform for mobile, web, and desktop apps. Track user behavior, monitor performance, and optimize your product.
Open source privacy-first analytics for apps
Aptabase is an open-source, privacy-first analytics platform designed for mobile, desktop, and web applications. It provides real-time insights without compromising user privacy, offering a simple alternative to tools like Google Firebase Analytics. - Truly Anonymous Data: Sessions are completely anonymous with no device identifiers, cookies, or fingerprinting used - 100% Data Ownership: Your data belongs to you—no selling, no sharing, and exportable at any time - Real-Time Analytics: Live dashboard updates as users interact with your app - Multi-Platform SDKs: 17 lightweight SDKs for Swift, Kotlin, Flutter, React Native, Electron, Tauri, .NET MAUI, Unity, Unreal Engine, Godot, Python, C++, and more - GDPR/CCPA Compliant: Built to meet strict privacy regulations without requiring opt-in consent - EU/US Data Residency: Choose between EU or US data centers, or self-host your own servers - Event Tracking: Measure anything in your app with custom event tracking - Debug/Release Mode: Automatic detection to separate test data from production - Mobile-First Dashboard: Access analytics on-the-go with a dashboard optimized for mobile devices Aptabase is 100% open source (MIT license) and can be self-hosted for complete data control. The platform offers: - Docker-based deployment for easy self-hosting - PostgreSQL backend for data storage - Real-time data processing with Go backend - Web-based dashboard for visualization Self-hosting documentation is available in the GitHub repository.
Open source analytics infrastructure
Trench is a fast, scalable open-source analytics infrastructure designed for developers who need reliable event tracking without the bloat. Built on industry-standard technologies like ClickHouse and Kafka, it delivers massive throughput while maintaining GDPR compliance. - High Throughput: Track thousands of events per second on a single node with Kafka. - Real-Time Queries: Query data instantly using SQL or REST. - Segment Compliance: Fully compliant with Segment’s Track, Identify, Group, and other industry standards. - Data Export: Send data anywhere via throttled webhooks. - Single Docker Image: Deploy with a single production-ready Docker image—no need to manage Kafka, ClickHouse, or the application separately. - Self-Hosted or Cloud: Choose between self-hosting or managed cloud solutions. - Enterprise-Grade Security: Includes SAML 2.0 SSO, on-premises deployment, and dedicated support for large organizations. Trench combines Kafka and ClickHouse, technologies trusted by companies like Airbnb, Datadog, and Spotify. The platform is designed for production environments with best practices baked in. Self-hosting is straightforward with a single Docker image, while the cloud option provides scalability and support for enterprise needs.
About June
June was a product analytics platform designed to help B2B SaaS companies understand how customers interact with their products through automated, insightful reports.
Key Features of June
- Automated Customer Reports: Generate detailed analytics on customer behavior without manual setup.
- Integration Hub: Connect with popular tools like Salesforce, HubSpot, and Attio for unified data.
- User Journey Tracking: Visualize how companies use your product to identify key engagement patterns.
- Benchmarking: Compare your product's performance against industry standards.
- Customer Stories: Learn from real-world examples of successful product analytics implementations.
Tech / Self-Hosting
June was a fully managed SaaS platform with no self-hosting option. The service was designed for ease of use with cloud-based infrastructure, ensuring scalability and reliability for B2B SaaS teams.