Best Open-Source Tools

Open-source, privacy-focused web analytics, a clean, self-hostable Google Analytics alternative.

• Privacy-focused web analytics
• Cookieless tracking
• Single-page dashboard
• Self-hostable

Works with Web

Open-source in-product surveys and experience management you can self-host.

• In-product micro-surveys
• Behavior-based targeting
• Link surveys
• Self-hostable

Session replay and product analytics for teams that want to debug with full context.

• Session replay
• Product analytics
• DevTools and console
• Co-browsing

Privacy-friendly website analytics with open-source roots and Germany-hosted data.

• Cookieless website analytics
• Germany-hosted data
• Open-source core
• GDPR-compliant by default

Privacy-first web analytics with AI insights, A/B testing, and performance monitoring.

• Cookieless web analytics
• AI insights
• A/B testing
• Error and performance monitoring

Works with Web

Cookieless analytics for startups that want real insights without privacy baggage.

• Cookieless tracking
• Session replay
• Funnels and user journeys
• Web vitals

Works with Web

Open-source product analytics with self-hosting, funnels, cohorts, and privacy-first tracking.

• Event and product analytics
• Funnels, retention, and cohorts
• Simple web analytics
• Self-hostable

Works with Web

Open-source, privacy-first web analytics you fully own, a self-hostable GA alternative.

• Privacy-first web analytics
• Heatmaps and session recordings
• Funnels and goals
• 100% data ownership

Works with Web

Open-source, self-hosted newsletters and mailing lists built for speed and scale.

• Bulk newsletter sending
• Multi-list management
• Template editor
• Full HTTP/JSON API

Warehouse-native experimentation and feature flags for teams that want real control.

• A/B testing
• Feature flags
• Warehouse-native analytics
• Open-source and self-hostable

Open-source status pages and uptime monitoring built for transparent startups.

• Open-source status pages
• Uptime and synthetic monitoring
• Incident communication
• CLI, API, and Terraform support

Open-source UI design with self-hosting, design tokens, and code-friendly workflows.

• Open-source and self-hostable
• Design tokens
• CSS Grid/Flex layouts
• Design-to-code handoff

Low-poly 3D editor built for game assets, voxel art, and format-specific workflows.

• Low-poly modeling
• Game-format export
• Voxel and pixel-style art
• Plugin ecosystem

An open-core virtual office that restores spontaneous collaboration for remote teams.

• Spatial browser-based office
• Spontaneous collaboration
• Remote events and HQ
• Open source and GDPR-compliant

A free open-source Android tracker that stays private, offline, and brutally simple.

• Open-source and ad-free
• Offline-first
• Privacy-respecting
• Streak scores

Works with Android

Private, open-source notes with end-to-end encryption and real cross-platform use.

• End-to-end encryption
• Open-source and transparent
• Zero-knowledge sync
• Cross-platform apps

Open-source privacy analytics with lightweight tracking and frequent product updates.

• Open-source, EU-hosted
• Lightweight privacy-friendly script
• Funnels and user journeys
• Simple, clean dashboard

Works with Web

Video editor for Mac where generative AI clips are placed on a timeline alongside your footage (Palmier Pro).

• Native Mac timeline-based editor
• Place, trim and AI-generate clips
• Built-in AI agents to assist
• Open-source, actively developed

Free, open-source AI image upscaler that runs locally, no watermarks, no limits, up to 16x.

• Runs locally, fully offline and private
• No watermarks or usage limits
• Vulkan GPU acceleration, up to 16x
• Multiple Real-ESRGAN-based models

Open-source terminal coding agent for big multi-file tasks, with a 2M-token context and a diff-review sandbox.

• Terminal coding agent for large codebases
• Up to a 2M-token effective context
• Tree-sitter project maps, 30+ languages
• Cumulative diff-review sandbox

Works with Terminal

Open-source, self-hosted AI coding assistant — completion, chat, and answers that never leave your servers.

• Self-hosted, runs on your own hardware
• No external database or cloud dependency
• Supports open models (CodeLlama, Qwen…)
• Works across 12+ IDEs

Open-source autonomous agent that runs multi-source web research and returns cited, structured reports.

• Planner generates research sub-questions
• Parallel crawl and summarize of sources
• Cited, structured final reports
• Web + local docs, with MCP support

Works with Web

Open-source AI agent that automates browser workflows with vision, forms, portals, logins, no brittle scripts.

• Vision-LLM identifies page elements
• Completes multi-step web tasks
• Adapts when layouts change
• Python and TypeScript SDKs

Works with Browser