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Awesome Open Source Alternatives - The AltStack Data HQ
A curated list of the best open-source alternatives to popular SaaS products.
Stop paying for what you can host yourself. Build sovereign infrastructure with AltStack.
Explore the Directory • Self-Hosting Guides • Request a Tool
🚀 Why This List?
AltStack's mission is to help you own your data and infrastructure. This repository serves as the Data HQ for The AltStack, powering our searchable directory and self-hosting guides. Every tool listed here is vetted for quality, activity, and self-hostability.
📂 The Awesome Alternatives List
🏗️ Backend as a Service (BaaS)
Alternatives to Firebase and AWS Amplify
- Supabase - The open source Firebase alternative with a dedicated Postgres database.
- Appwrite - A complete backend for Flutter, Web, and Mobile developers.
- PocketBase - Open source realtime backend in 1 file (Go & SQLite).
- 🔗 Compare BaaS Alternatives on AltStack
💬 Communication & Collaboration
Alternatives to Slack, Zoom, and Microsoft Teams
- Mattermost - Open source platform for secure collaboration across the SDLC.
- Rocket.Chat - The Secure CommsOS™ for mission-critical operations.
- Jitsi Meet - Fully encrypted, 100% open source video conferencing.
- 🔗 Explore Communication Stacks on AltStack
📊 Analytics & BI
Alternatives to Google Analytics, Mixpanel, and Tableau
- Plausible - Simple, lightweight, and privacy-friendly web analytics.
- PostHog - Product analytics, session recording, and feature flags.
- Matomo - The leading open source Google Analytics alternative.
- Metabase - The simplest way to get business intelligence throughout your company.
- Apache Superset - Modern data exploration and visualization platform.
- 🔗 Check Analytics Guides on AltStack
<EFBFBD> Project Management
Alternatives to Jira, Asana, and Monday.com
- Plane - Beautiful open-source Jira/Linear alternative.
- Taiga - Agile project management for multi-functional teams.
- OpenProject - Powerful classic project management and collaboration.
- 🔗 Self-host Project Management on AltStack
🎨 Design & Creative
Alternatives to Photoshop, Figma, and Illustrator
- Penpot - The open-source design tool for design and code collaboration (Figma alternative).
- GIMP - Professional-grade photo editing tools (Photoshop alternative).
- Krita - Open source digital painting (Illustrator/Corel alternative).
- 🔗 Design Stacks on AltStack
<EFBFBD> Productivity & Knowledge
Alternatives to Notion, Microsoft 365, and Google Workspace
- AppFlowy - Privacy-focused Notion alternative built in Rust.
- AFFiNE - Next-gen knowledge base that brings planning and creation together.
- ONLYOFFICE - Highly compatible MS Office online editors.
- 🔗 Productivity Alternatives on AltStack
🔐 Security & IAM
Alternatives to 1Password, Auth0, and Okta
- Bitwarden - Open source password manager for individuals and teams.
- KeePassXC - Fully offline, AES-256 password manager.
- Keycloak - Open source identity and access management.
- Authentik - The overall-best open-source identity provider.
- 🔗 Security Stacks on AltStack
🛠️ DevOps & Automation
Alternatives to Heroku, Zapier, and Vercel
- Coolify - Self-hostable PaaS alternative to Heroku & Netlify.
- n8n - Workflow automation tool with 400+ integrations.
- Activepieces - Open source Zapier alternative.
- 🔗 DevOps Guides on AltStack
<EFBFBD> Storage & Infrastructure
Alternatives to AWS S3, Dropbox, and Salesforce
- MinIO - High-performance, S3-compatible object storage.
- Odoo - All-in-one ERP suite (Salesforce alternative).
- Nextcloud - Content collaboration platform (Dropbox/Google Drive alternative).
- 🔗 Infrastructure Stacks on AltStack
⚡ Quick Start: Deploy Your First Alternative
Most tools in this list can be deployed in minutes using Docker. Here is how to get started with the AltStack approach:
- Clone this repo:
git clone https://github.com/altstackHQ/altstack-data.git - Explore
/deploy-configs: Find the Docker Compose file for the tool you want. - Follow the Guide: Visit docs.thealtstack.com for step-by-step instructions.
cd deploy-configs/plausible
docker-compose up -d
<EFBFBD>️ Directory Mapping (The AltStack Bridge)
We use the data in this repository to power our Main Website. Here is how the categories map:
| UI Directory | Data Source (this repo) | Self-Hosted Guide |
|---|---|---|
| Backend | data/baas |
BaaS Guides |
| Analytics | data/analytics |
Analytics Guides |
| Project Management | data/pm |
PM Guides |
| Communication | data/comms |
Comms Guides |
| Productivity | data/productivity |
Prod Guides |
🤝 Contributing
We love contributions! If you know of a great open-source tool we missed:
- Check the Contribution Guidelines.
- Open an Issue with the tool details.
- Submit a PR to update
data/tools.json.
Built with ❤️ by the AltStack Team.