The rise of open-source and self-hosted solutions has revolutionized the way individuals and businesses manage their infrastructure. As concerns about privacy, data ownership, and vendor lock-in grow, these tools offer greater control while reducing reliance on centralized services.
Below is a curated list of 19 open-source projects you can self-host, categorized by functionality, along with their GitHub popularity stats and repository links.
1. Web Analytics: Privacy-Focused Google Analytics Alternatives
Self-hosted analytics tools allow you to track website traffic without compromising user privacy.
- Umami – ⭐ 25,001
A lightweight, cookie-free web analytics solution that respects privacy while providing real-time traffic insights. - Plausible – ⭐ 21,615
A privacy-friendly alternative to Google Analytics, focused on simplicity and GDPR compliance. - PostHog – ⭐ 24,625
An open-source product analytics suite that offers session recording, feature flags, and A/B testing. - OpenPanel – ⭐ 3,707
A real-time analytics solution with event tracking and multi-platform data aggregation.
2. Content Management Systems (CMS), Wikis & Publishing
Manage content without relying on proprietary SaaS platforms.
- Payload – ⭐ 32,941
A headless CMS built on Node.js with GraphQL support, authentication, and extensible plugins. - Strapi – ⭐ 65,295
A highly customizable, self-hosted CMS that supports multiple databases and user authentication. - Ghost – ⭐ 48,537
A powerful platform for blogs and newsletters, optimized for speed and SEO. - Outline – ⭐ 30,799
A self-hosted wiki with a Notion-style UI, ideal for documentation and team knowledge management.
3. Collaboration & Productivity
Enhance teamwork and streamline workflows with these open-source alternatives.
- AFFiNE – ⭐ 46,223
A hybrid between Notion and Miro, offering note-taking, whiteboarding, and real-time collaboration. - AppFlowy – ⭐ 61,063
A modular and privacy-first alternative to Notion, allowing teams to self-host their workspace.
4. Backend Services & Databases
Replace proprietary backend solutions with scalable, open-source databases.
- Supabase – ⭐ 78,379
An open-source Firebase alternative, offering PostgreSQL, authentication, and edge functions. - Appwrite – ⭐ 47,502
A backend-as-a-service solution with built-in authentication, database, and file storage. - PocketBase – ⭐ 44,093
A lightweight backend built in Go, featuring real-time APIs and embedded SQLite. - NocoDB – ⭐ 52,557
A no-code database that turns any SQL database into an Airtable-style spreadsheet interface.
5. Low-Code, No-Code, and Workflow Automation
Create workflows, connect APIs, and automate tasks without writing code.
- n8n – ⭐ 64,484
A powerful alternative to Zapier, enabling API integrations and automation workflows. - Rowy – ⭐ 6,452
A Firebase-like low-code backend that simplifies database management via a spreadsheet UI. - Appsmith – ⭐ 35,855
A drag-and-drop app builder for creating internal tools and dashboards with custom APIs.
6. Business Management & ERP Systems
Optimize business operations without expensive proprietary software.
- Odoo – ⭐ 40,991
A feature-rich ERP and CRM solution, covering accounting, sales, HR, and e-commerce.
7. URL Shortening & Link Management
Shorten and track links without relying on external services like Bitly.
- Dub – ⭐ 20,061
A self-hosted URL shortener with analytics, branded domains, and privacy-focused features.
Why Self-Host These Tools?
Self-hosting offers numerous advantages over relying on third-party SaaS providers:
✅ Data Ownership – You remain in full control of your data and avoid vendor lock-in.
✅ Privacy & Security – Reduce exposure to data collection, tracking, and potential breaches.
✅ Customization – Modify and extend functionality based on your specific requirements.
✅ Cost-Effective – Eliminate monthly SaaS fees by running services on your infrastructure.
Final Thoughts
As privacy concerns and reliance on SaaS platforms grow, self-hosting is becoming an essential strategy for businesses and individuals. With the open-source tools listed above, you can take control of your analytics, content, productivity, and backend services without compromising privacy or flexibility.
For more open-source alternatives, check out AlternativeOSS, a curated list of self-hosted software to replace proprietary services.