Open Source Projects using PostHog
A curated collection of the 166 best open source software using PostHog. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Secure, customizable e-signatures for modern businesses
Stars
7,104Last commit
10 hours agoLicense
AGPL-3.0
A powerful, open-source e-signature solution offering customization, integration, and enhanced security for businesses of all sizes.
Open Source Alternative to:
Modular auth, payments, emails, and analytics for your product
Stars
6,868Last commit
13 hours agoLicense
Unknown
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.
Open Source Alternative to:
Visual app builder that integrates with your existing codebase
Stars
7,105Last commit
23 hours agoLicense
MIT
Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.
Open Source Alternative to:
A team of AI agents in a chat app, on your own machine
Stars
4,968Last commit
6 hours agoLicense
Apache-2.0
Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.
Open Source Alternative to:
Dashboard for running multiple coding agents in parallel
Stars
5,996Last commit
2 days agoLicense
Apache-2.0
Desktop app that runs 25+ coding agents simultaneously, each isolated in its own Git worktree, so you can orchestrate code changes without switching tools.
Open Source Alternative to:
Auto-generated network diagrams that stay current
Stars
5,875Last commit
1 day agoLicense
AGPL-3.0
Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Open Source Alternative to:
Build stateful backends with in-memory actors
Stars
6,299Last commit
14 hours agoLicense
Apache-2.0
Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.
Open Source Alternative to:
Build reliable AI apps with comprehensive observability
Stars
6,225Last commit
6 days agoLicense
Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
Open Source Alternative to:
Organize and secure your documents in one central hub
Stars
5,561Last commit
23 hours agoLicense
AGPL-3.0
A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.
Open Source Alternative to:
Automated translations that scale with your code and commits
Stars
5,398Last commit
4 days agoLicense
Apache-2.0
Transform your app into a global product with AI-powered localization that integrates directly into your development workflow. Supports 83+ languages with Git-native automation.
Open Source Alternative to:
Open source kanban boards with unlimited everything
Stars
5,770Last commit
14 days agoLicense
AGPL-3.0
Free kanban project management with unlimited boards, lists, and cards. Import Trello boards, collaborate with teams, and self-host for complete control.
Open Source Alternative to:
Virtual office platform for engaging remote collaboration
Stars
5,861Last commit
8 hours agoLicense
Unknown
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.
Open Source Alternative to:
Self-hosted AI agents that do real work on your machine
Stars
4,228Last commit
7 hours agoLicense
Apache-2.0
Run persistent AI bots that sign into your tools, complete tasks autonomously, and ask for approval when needed. Your keys, your model, your infrastructure.
Open Source Alternative to:
Open-source BI for modern data teams
Stars
6,190Last commit
7 hours agoLicense
MIT
Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.
Open Source Alternative to:
Intercept, modify, and debug HTTP(S) requests effortlessly
Stars
6,754Last commit
9 hours agoLicense
AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing
Open Source Alternative to:
Secure, scalable API key management for developers
Stars
5,466Last commit
6 hours agoLicense
AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.
Open Source Alternative to:
Build, automate, and improve AI agents with your team
Stars
4,836Last commit
7 hours agoLicense
MIT
Open-source workspace for building and running AI agents: chat-driven development, scheduling, human-in-the-loop approvals, versioning, and tracing. Self-host or use the cloud.
Open Source Alternative to:
Simulation-based testing and evaluation for AI agents
Stars
4,959Last commit
6 hours agoLicense
Apache-2.0
Tests AI agents through multi-turn simulations, LLM-based scoring, and production tracing so teams can ship reliable agents with confidence.
Open Source Alternative to:
Effortless group scheduling for seamless collaboration
Stars
5,305Last commit
6 hours agoLicense
AGPL-3.0
A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.
Open Source Alternative to:
Open-source data integration for modern stacks
Stars
5,107Last commit
7 hours agoLicense
MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.
Open Source Alternative to:
Open-source growth platform for customer-centric teams
Stars
4,093Last commit
7 hours agoLicense
AGPL-3.0
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Open Source Alternative to:
Open source security automation platform for builders
Stars
3,835Last commit
10 hours agoLicense
AGPL-3.0
Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Open Source Alternative to:
Feature-rich backend that runs anywhere you need it
Stars
3,773Last commit
22 days agoLicense
Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Open Source Alternative to:
Automate financial processes for smarter business decisions
Stars
3,939Last commit
14 hours agoLicense
AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
Open Source Alternative to:
AI-powered platform for engineering LLM products
Stars
3,387Last commit
21 hours agoLicense
Apache-2.0
Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.
Open Source Alternative to:
Stripe payments, usage tracking, and paywalls in 3 functions
Stars
2,818Last commit
7 hours agoLicense
Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.
Open Source Alternative to:
Monitor, debug, and scale LLM applications with ease
Stars
2,852Last commit
1 day agoLicense
Apache-2.0
Open-source observability platform for GenAI and LLM applications. Real-time monitoring, distributed tracing, prompt management, and AI model evaluation built on OpenTelemetry.
Open Source Alternative to:
Get audit-ready for SOC 2, ISO 27001, HIPAA, and GDPR
Stars
2,035Last commit
7 days agoLicense
AGPL-3.0
AI-driven compliance platform that automates evidence collection, policy generation, and continuous monitoring across 580+ integrations for SOC 2, ISO 27001, HIPAA, and GDPR.
Open Source Alternative to:
Create engaging product tours and user onboarding experiences
Stars
2,322Last commit
8 hours agoLicense
AGPL-3.0
Open-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Open Source Alternative to:
Build privacy-compliant cookie banners with full control
Stars
1,980Last commit
6 hours agoLicense
Apache-2.0
Open source consent management framework for modern web apps. Framework-agnostic, fully customizable, and performance-first with no vendor lock-in.
Open Source Alternative to:
AI agents that transform merchant risk decisions at scale
Stars
2,442Last commit
8 days agoLicense
Unknown
Reduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Open Source Alternative to:
Build your custom learning academy in minutes
Stars
1,719Last commit
15 hours agoLicense
AGPL-3.0
Open source LMS designed for companies and training organizations. Create, manage, and deliver courses with AI support, customizable dashboards, and collaborative features.
Open Source Alternative to:
Unified API for all LLM providers with analytics
Stars
1,687Last commit
7 hours agoLicense
MIT
Route, manage, and analyze LLM requests across multiple providers with one API. Compatible with OpenAI format, includes usage analytics and performance monitoring.
Open Source Alternative to:
Collaborative content creation for technical teams
Stars
2,004Last commit
5 days agoLicense
AGPL-3.0
A powerful platform for technical writing, offering real-time collaboration, version control, and seamless integrations.
Open Source Alternative to:
Next-Gen ERD: Design, Explore, Document and Analyze your database.
Stars
2,190Last commit
2 months agoLicense
MIT
Azimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
Open Source Alternative to:
Type 10x faster with AI-powered voice dictation
Stars
1,558Last commit
3 days agoLicense
MIT
Open source AI dictation app that transforms speech to text with context-aware formatting. Fast, accurate transcription for meetings, notes, and hands-free typing.
Open Source Alternative to:
Managed identity and access management for any app
Stars
2,109Last commit
1 day agoLicense
Apache-2.0
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.
Open Source Alternative to:
AI code review that learns your team's standards
Stars
1,487Last commit
9 hours agoLicense
AGPL-3.0
Open source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.
Open Source Alternative to:
Simplify container deployment across environments
Stars
1,846Last commit
3 days agoLicense
Apache-2.0
Effortless container orchestration platform for seamless deployment, management, and monitoring of applications across multiple environments.
Open Source Alternative to:
Cross-system automation and knowledge base for accounting firms
Stars
1,722Last commit
5 months agoLicense
Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
AI-powered PostgreSQL management made simple
Stars
1,452Last commit
7 hours agoLicense
AGPL-3.0
Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.
Open Source Alternative to:
The modern GraphQL runtime
Stars
1,443Last commit
2 months agoLicense
Apache-2.0
Swiftly design and ship best-practice GraphQL backends atop existing data sources and APIs.
Open Source Alternative to:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
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