A curated collection of the best open-source SaaS tools for developers, teams, and businesses, maintained by ToolWorks.dev.
Welcome to ToolWorks.dev Open Source SaaS, a carefully curated list of verified, modern open-source SaaS projects. This collection highlights tools that are actively maintained, fully open-source, and designed to solve real-world problems across various domains.
From MicroSaaS solutions to AI-driven platforms, this list serves as a resource for developers, startups, and businesses looking to explore, build, or enhance their SaaS offerings.
Explore open-source SaaS projects across diverse domains:
- Cal.com - Open-source scheduling and booking platform (MIT).
- Plausible Analytics - Lightweight, privacy-friendly analytics (MIT).
- Uptime Kuma - Self-hosted monitoring tool (MIT).
- Ackee - Self-hosted analytics tool (MIT).
- Shlink - URL shortener with detailed stats (MIT).
- Mealie - Recipe manager and meal planner (MIT).
- Directus - Headless CMS for structured content (GPL-3.0).
- Monica - Personal CRM for managing relationships (AGPL-3.0).
- Outline - Modern team knowledge base (BSD-3-Clause).
- Miniflux - Minimalist RSS reader (Apache-2.0).
- Label Studio - Data labeling platform (Apache-2.0).
- Haystack - NLP-powered search framework (Apache-2.0).
- Gradio - Interactive dashboards for ML models (Apache-2.0).
- Streamlit - Web apps for data and ML (Apache-2.0).
- FastChat - Chatbot platform for conversational AI (Apache-2.0).
- MLFlow - ML lifecycle management platform (Apache-2.0).
- PyTorch Lightning - Lightweight ML framework (Apache-2.0).
- Hugging Face Transformers - NLP model library (Apache-2.0).
- Deepchecks - Tool for testing ML models (Apache-2.0).
- LightGBM - Gradient boosting framework (MIT).
- Appsmith - Internal tool builder (Apache-2.0).
- PostHog - Product analytics platform (MIT).
- Meilisearch - Search engine (MIT).
- Rancher - Kubernetes management tool (Apache-2.0).
- Drone - Continuous integration platform (Apache-2.0).
- Budibase - Low-code platform for internal tools (MIT).
- N8N - Workflow automation platform (Apache-2.0).
- Redash - Data visualization tool (BSD-2-Clause).
- Joplin - Note-taking and task management app (MIT).
- Mattermost - Team communication tool (MIT).
- Saleor - Scalable e-commerce platform (BSD-3-Clause).
- Bagisto - Laravel-based e-commerce platform (MIT).
- Shopware - Flexible e-commerce platform (MIT).
- Reaction Commerce - API-first commerce platform (GPL-3.0).
- Medusa - Shopify alternative (MIT).
- Sylius - Tailored e-commerce apps (MIT).
- Vendure - Headless commerce framework (MIT).
- OpenCart - Online store builder (GPL-3.0).
- PrestaShop - Customizable e-commerce solution (AFL-3.0).
- Drupal Commerce - Flexible e-commerce module (GPL-2.0).
- IPFS - Decentralized storage network (MIT).
- The Graph - Blockchain data indexing protocol (Apache-2.0).
- Radicle - Peer-to-peer code collaboration (GPL-3.0).
- Gnosis Safe - Smart contract wallet platform (LGPL-3.0).
- Metamask Flask - Blockchain plugin framework (MIT).
- Chainlink - Decentralized oracle network (MIT).
- OpenZeppelin - Library for smart contracts (MIT).
- Truffle Suite - Ethereum development environment (MIT).
- Hardhat - Smart contract testing and deployment (MIT).
- WalletConnect - Wallet connection protocol (Apache-2.0).
- Mattermost - Open-source team communication platform (MIT).
- Jitsi Meet - Secure video conferencing (Apache-2.0).
- Zulip - Team chat platform with threading (Apache-2.0).
- CryptPad - Encrypted collaboration tools (AGPL-3.0).
- Joplin - Note-taking and to-do list app (MIT).
- OnlyOffice - Office suite for documents (AGPL-3.0).
- Element - Secure chat and collaboration on Matrix (Apache-2.0).
- Nextcloud - File sharing and collaboration platform (AGPL-3.0).
- Trusty Notes - Lightweight and secure note-taking app (MIT).
- OpenProject - Open-source project management software (GPL-3.0).
- Plausible Analytics - Lightweight, privacy-friendly analytics (MIT).
- Umami - Simple, privacy-focused web analytics (MIT).
- PostHog - Product analytics platform (MIT).
- Ackee - Privacy-friendly analytics (MIT).
- Fathom - Privacy-first web analytics (MIT).
- Countly - Product analytics and marketing (AGPL-3.0).
- Matomo - Open-source web analytics (GPL-3.0).
- Mautic - Marketing automation platform (GPL-3.0).
- Simple Analytics - Privacy-focused analytics (MIT).
- Crater - Invoice management and tracking (MIT).
- Strapi - Open-source headless CMS (MIT).
- Directus - Headless CMS for managing content (GPL-3.0).
- Hasura - GraphQL API generation (Apache-2.0).
- Apiman - API management platform (Apache-2.0).
- Kong - API gateway and service management (Apache-2.0).
- Tyk - API gateway and integration (MPL-2.0).
- PostgREST - REST API for PostgreSQL (MIT).
- Hoppscotch - API testing platform (MIT).
- KrakenD - High-performance API gateway (Apache-2.0).
- OpenAPI Generator - API client generator (Apache-2.0).
- Chatwoot - Customer support platform (MIT).
- Zammad - Web-based helpdesk (GPL-3.0).
- FreeScout - Lightweight helpdesk tool (AGPL-3.0).
- Faveo Helpdesk - Ticketing system (GPL-3.0).
- osTicket - Popular ticketing system (GPL-2.0).
- Hesk - Helpdesk software for small teams (GPL-3.0).
- Erxes - Customer experience management (GPL-3.0).
- Helpy - Customer support and forums (MIT).
- UVdesk - Multi-channel support platform (MIT).
- Yetiforce - CRM with helpdesk integration (MIT).
- Metabase - Business intelligence platform (AGPL-3.0).
- Superset - Data visualization platform (Apache-2.0).
- Redash - Open-source dashboards (BSD-2-Clause).
- Grafana - Monitoring and visualization tool (AGPL-3.0).
- Kibana - Elasticsearch visualization (Apache-2.0).
- Dash - Python web applications for data (MIT).
- Lightdash - BI tool for dbt users (MIT).
- Caravel - Data exploration platform (Apache-2.0).
- Airflow - Workflow orchestration tool (Apache-2.0).
- Chart.js - JavaScript charting library (MIT).
This repository leverages GitHub Actions to:
- Automatically update project statistics (e.g., stars and forks) weekly.
- Validate links to ensure all entries remain accurate and functional.
This repository is licensed under the MIT License.
Individual projects listed here may have their own licensing terms. Please review them before use.
Explore related open-source SaaS tools, guides, and frameworks:
- ToolWorks.dev Open Source Projects - Explore more projects by ToolWorks.dev.
- Cal.com - Open-source scheduling and booking platform.
- Plausible Analytics - Privacy-friendly web analytics.
- Uptime Kuma - Self-hosted monitoring tool.
- Ackee - Privacy-friendly analytics tool.
- Label Studio - Multi-purpose data labeling tool.
- Hasura - Instant GraphQL APIs over your data.
- N8N - Workflow automation platform.
- Chatwoot - Open-source customer support tool.
- Metabase - BI and analytics dashboard.
- Superset - Data visualization and exploration.
- Grafana - Monitoring and analytics platform.
- Directus - Headless CMS and data platform.
- Zammad - Web-based helpdesk and ticketing system.
- Element - Secure chat platform based on Matrix.
- Strapi - Open-source headless CMS.
- Redash - Data visualization and query tool.
- KrakenD - API gateway for high performance.
- OpenAPI Generator - Generate client libraries and server stubs from OpenAPI specs.
- Meilisearch - Lightning-fast search engine.
- Hugging Face Transformers - NLP model library and framework.
- MLFlow - Manage the lifecycle of ML projects.
- Fathom - Privacy-focused web analytics platform.