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# 40 open-source gems to replace your SaaS subscriptions 🔥 🚀

by
[nevos](/nevos)

I have curated 40 unique open-source gems to make you the ultimate developer. You can implement or deploy these gems into your product.

Let's do it.

![letsdoit](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/51wuk7ekjv83ueg0zmzh.gif)

* * *

## 1\. [Postiz](https://git.sn/78TmmMg) 👑 👑

[Postiz](https://postiz.com) is an open-source social media scheduling tool designed to streamline content management across various platforms.

- **AI-Powered Scheduling:** Utilizes artificial intelligence to optimize post timing for maximum engagement.

- **Multi-Platform Support:** Manage and schedule posts across multiple social media channels from a single dashboard.

- **Analytics and Insights:** Provides performance metrics to help refine social media strategies.

- **Collaborative Tools:** Allows team members to collaborate, comment, and schedule posts together.


![Postiz](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/3w6fhqw5oq84iiug2qjc.png)

* * *

## 2\. [Tolgee](https://github.com/tolgee/tolgee-platform)

Tolgee is an open-source localization platform designed to streamline the translation process for software applications.

- **In-Context Localization:** Translate directly within your application interface.

- **Developer-Friendly SDKs:** Easy integration with various programming languages and frameworks.

- **Collaboration Tools:** Work seamlessly with translators and team members.

- **Automatic Screenshot Generation:** Helps in providing context to translators.


![Tolgee](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/xhdh2y5uhd231avcsngg.png)

* * *

## 3\. [MedusaJS](https://github.com/medusajs/medusa)

MedusaJS is an open-source headless commerce platform built with Node.js, offering developers a customizable and scalable solution for e-commerce.

- **Modular Architecture:** Easily customize and extend functionalities.

- **Headless Commerce:** Flexibility to build custom frontends.

- **Rich Plugin Ecosystem:** Integrate payment gateways, CMS, and more.

- **Scalable Performance:** Optimized for handling growing customer bases.


![MedusaJS](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ltyzkvjhdnzou0xo5gvm.png)

* * *

## 4\. [Formbricks](https://github.com/formbricks/formbricks)

Formbricks is a developer-focused form backend solution that simplifies data collection and processing.

- **Easy Integration:** Connect forms without writing backend code.

- **Real-Time Data:** Instant access to submitted data.

- **Customizable Workflows:** Tailor data handling to your needs.

- **Secure Storage:** Keep form submissions safe and private.


![Formbricks](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/d6hv0a1k5vcrxhegamwa.png)

* * *

## 5\. [Hanko](https://github.com/teamhanko/hanko)

Hanko provides passwordless authentication solutions, enhancing security and user experience.

- **WebAuthn Support:** Leverages modern authentication standards.

- **Biometric Authentication:** Use fingerprints or facial recognition.

- **Easy Integration:** SDKs and APIs for quick setup.

- **Enhanced Security:** Reduces risk associated with password theft.


![Hanko](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/jy333cbv5klamlzfi12b.png)

* * *

## 6\. [ToolJet](https://github.com/ToolJet/ToolJet)

ToolJet is an open-source, low-code platform that enables the rapid development of internal tools.

- **Drag-and-Drop Builder:** Create applications without coding.

- **Database Integrations:** Connect with PostgreSQL, MySQL, MongoDB, and more.

- **Custom Code Support:** Extend functionality with JavaScript.

- **Community Plugins:** Access a library of pre-built components.


![ToolJet](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/kgq0qs3yidxqcigjgsdl.png)

* * *

## 7\. [Novu](https://github.com/novuhq/novu)

Novu is the open-source notification infrastructure for developers to manage all communication channels.

- **Unified API:** Send notifications via email, SMS, push, and chat.

- **Template Management:** Design and manage notification templates.

- **Analytics Dashboard:** Monitor delivery and engagement metrics.

- **Event Triggering:** Automate notifications based on user actions.


![Novu](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/pwywk4ii77bsv4yqqi7c.png)

* * *

## 8\. [Flipt](https://github.com/flipt-io/flipt)

Flipt is an open-source feature flag solution that helps teams deploy code safely.

- **Feature Management:** Toggle features without redeploying code.

- **User Targeting:** Enable features for specific user segments.

- **A/B Testing:** Experiment with different features and measure impact.

- **Audit Logs:** Track changes and maintain compliance.


![Flipt](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/gaqcphi0wfkf5m4n1wj1.png)

* * *

## 9\. [PostHog](https://github.com/PostHog/posthog)

PostHog is an open-source product analytics suite that allows you to understand user behavior.

- **Event Tracking:** Capture and analyze user interactions.

- **Session Recording:** Replay user sessions to identify issues.

- **Feature Flags:** Deploy new features progressively.

- **Self-Hosted Option:** Full control over your data.


![PostHog](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/w3gp5jmpq1gyi5noftkk.png)

* * *

## 10\. [Dub](https://github.com/dubinc/dub)

Dub is an open-source URL shortener and link management tool that helps users create and track short links.

- **Custom Short URLs:** Generate branded and memorable short links.

- **Analytics Dashboard:** Monitor click rates and user engagement.

- **API Integration:** Access functionalities programmatically for automation.

- **Self-Hosted Option:** Maintain control over your data by hosting on your servers.


![Dub](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/6x12aa6y6yze85922lrs.png)

* * *

## 11\. [AppFlowy](https://github.com/AppFlowy-IO/AppFlowy)

AppFlowy is an open-source alternative to Notion, focusing on privacy and extensibility.

- **Rich Text Editing:** Supports various content blocks.

- **Privacy-Focused:** Data stored locally or on your server.

- **Customizable Interface:** Tailor the app to your workflow.

- **Cross-Platform Support:** Available on multiple operating systems.


![AppFlowy](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/72sn0aqqmtla0q94u0ww.png)

* * *

## 12\. [Jitsi](https://github.com/jitsi/jitsi-meet)

Jitsi is a set of open-source projects that enable secure video conferencing.

- **No Account Needed:** Start meetings instantly without sign-ups.

- **End-to-End Encryption:** Keep conversations private.

- **High-Quality Audio and Video:** Supports HD conferencing.

- **Scalable Solution:** Suitable for small teams or large webinars.


![Jitsi](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/21rh791d1rcqb9apgtd6.png)

* * *

## 13\. [Plane](https://github.com/makeplane/plane)

Plane is an open-source issue tracking and project planning tool designed to streamline software development workflows.

- **Kanban Boards:** Visual task management for better project oversight.

- **Issue Tracking:** Efficiently log and manage bugs, features, and tasks.

- **Team Collaboration:** Real-time updates and communication within the platform.

- **Integrations:** Seamlessly connect with GitHub, GitLab, and other tools.


![Plane](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/t4c68a2pweicnrvuhmeb.png)

* * *

## 14\. [NocoDB](https://github.com/nocodb/nocodb)

NocoDB turns your SQL databases into a smart spreadsheet interface.

- **Spreadsheet Interface:** Familiar UI for managing data.

- **REST APIs:** Instantly generate APIs from your data.

- **Collaboration Tools:** Share and collaborate with team members.

- **Automation Support:** Integrate with Zapier, Integromat, etc.


![NocoDB](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/xlpo1ory2qgd7m6772bx.png)

* * *

## 15\. [Coolify](https://github.com/coollabsio/coolify)

Coolify is an open-source, self-hostable Heroku & Netlify alternative.

- **One-Click Deployments:** Simplify application deployment processes.

- **Supports Multiple Technologies:** Deploy Node.js, Python, static sites, and more.

- **Built-In SSL Management:** Secure your applications effortlessly.

- **Resource Monitoring:** Keep track of your application's performance.


![Coolify](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/5telr59zl97ipljtf91m.png)

* * *

## 16\. [Taubyte](https://github.com/taubyte/tau)

Taubyte provides serverless computing solutions that simplify backend management for developers.

- **Edge Computing:** Deploy applications close to users for low latency.

- **Scalable Infrastructure:** Handle variable loads effortlessly.

- **Secure Environment:** Built-in security protocols for safe applications.

- **Developer Tools:** Comprehensive tools to simplify development workflows.


![Taubyte](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/gf8lts0cgfotpq0vi8vz.png)

* * *

## 17\. [Dokku](https://github.com/dokku/dokku)

Dokku is the smallest PaaS implementation for hosting applications using Docker.

- **Git-Powered Deploys:** Deploy applications via Git push.

- **Plugin Ecosystem:** Extend functionalities with community plugins.

- **Database Provisioning:** Easy setup for PostgreSQL, Redis, etc.

- **Custom Domains and SSL:** Manage domains and secure connections.


![Dokku](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/e456llypr4aigu82o7wr.png)

* * *

## 18\. [PocketBase](https://github.com/pocketbase/pocketbase)

PocketBase is an open-source backend consisting of a database, authentication, and file storage.

- **Embedded Database:** Uses SQLite for simplicity.

- **Real-Time Subscriptions:** Get updates instantly.

- **User Authentication:** Supports email and OAuth providers.

- **RESTful API:** Interact with data via standard HTTP methods.


![PocketBase](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/9jr0eezftt4ae5mf2rpb.png)

* * *

## 19\. [Appwrite](https://github.com/appwrite/appwrite)

Appwrite is an end-to-end backend server for frontend and mobile developers.

- **User Authentication:** Multiple methods including email and OAuth.

- **Database Service:** Structured and relational data storage.

- **File Storage:** Manage user-uploaded files securely.

- **Function Execution:** Run custom backend code.


![Appwrite](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/24usqdu7x7bb4gz727pp.png)

* * *

## 20\. [Supabase](https://github.com/supabase/supabase)

Supabase is an open-source alternative to Firebase, built on PostgreSQL.

- **Instant APIs:** Generate APIs from your database schema.

- **Authentication and Authorization:** Built-in user management.

- **Realtime Database:** Get live updates on data changes.

- **Storage Solutions:** Handle file uploads and management.


![Supabase](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/9wsblvgln8xebtsz0ik1.png)

* * *

## 21\. [PrestaShop](https://github.com/PrestaShop/PrestaShop)

PrestaShop is a free, open-source e-commerce solution powering online stores.

- **Customizable Storefronts:** Hundreds of themes and templates.

- **Product Management:** Advanced catalog features.

- **Multi-Language Support:** Sell globally with ease.

- **Analytics and Reporting:** Track sales and customer behavior.


![PrestaShop](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ibyyioxsw2fgy4pno3cm.png)

* * *

## 22\. [Mattermost](https://github.com/mattermost/mattermost)

Mattermost is an open-source collaboration platform designed for secure team communication.

- **Team Chat:** Organized conversations in channels.

- **File Sharing:** Share documents and images securely.

- **Voice and Video Calls:** Integrated communication tools.

- **Enterprise Integrations:** Connect with existing tools and systems.


![Mattermost](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/rk2ivy04b40jw3x74ipu.png)

* * *

## 23\. [ERPNext](https://github.com/frappe/erpnext)

ERPNext is a comprehensive, open-source ERP solution for businesses of all sizes.

- **Modular Design:** Includes CRM, inventory, accounting, and more.

- **Customizable Workflows:** Tailor processes to your business needs.

- **Multi-Currency and Multi-Language:** Supports global operations.

- **User-Friendly Interface:** Accessible to users without technical expertise.


![ERPNext](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/w6p7wscyuiy10bug2z6y.png)

* * *

## 24\. [Nextcloud](https://github.com/nextcloud/server)

Nextcloud offers a suite of client-server software for creating and using file hosting services.

- **File Sync and Share:** Access your files from any device.

- **Collaboration Tools:** Edit documents and communicate in real-time.

- **Privacy and Security:** Complete control over data storage.

- **Extendable Platform:** Thousands of apps to add functionalities.


![Nextcloud](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/tkju7r2d5pukjavni83q.png)

* * *

## 25\. [Mautic](https://github.com/mautic/mautic)

Mautic is an open-source marketing automation platform that helps businesses engage customers.

- **Campaign Management:** Create multi-channel marketing campaigns.

- **Email Marketing:** Design and send personalized emails.

- **Lead Management:** Track and nurture prospects.

- **Analytics and Reporting:** Measure campaign effectiveness.


![Mautic](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ra6juxidyds1pcbuduly.png)

* * *

## 26\. [Wekan](https://github.com/wekan/wekan)

Wekan is an open-source kanban board for task and project management.

- **Intuitive UI:** Easy-to-use drag-and-drop interface.

- **Collaboration:** Invite team members and assign tasks.

- **Customization:** Create custom boards and cards.

- **Activity Tracking:** Monitor progress and updates.


![Wekan](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/dqxxtvzke5zqy38k3rvl.png)

* * *

## 27\. [Documenso](https://github.com/documenso/documenso)

Documenso is an open-source alternative for electronic signature solutions.

- **Digital Signatures:** Legally binding electronic signatures.

- **Document Management:** Upload and manage documents securely.

- **Audit Trails:** Keep records of all signing activities.

- **Integration Capabilities:** Connect with existing workflows.


![Documenso](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/318q9wu4r2lgqj46h6af.png)

* * *

## 28\. [Cal](https://github.com/calcom/cal.com)

[Cal.com](http://Cal.com) is an open-source scheduling platform that simplifies meeting bookings.

- **Custom Booking Pages:** Personalize your scheduling interface.

- **Calendar Integrations:** Sync with Google, Outlook, and more.

- **Time Zone Detection:** Automatically adjusts for participants.

- **Group Events:** Schedule meetings with multiple attendees.


![Cal.com](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/tsg18mavnjftuqvygate.png)

* * *

## 29\. [Prometheus](https://github.com/prometheus/prometheus)

Prometheus is an open-source system monitoring and alerting toolkit.

- **Multi-Dimensional Data Model:** Collect metrics with labels.

- **Powerful Query Language:** Analyze metrics with PromQL.

- **Alerting Mechanism:** Define and trigger alerts based on conditions.

- **Visualization Support:** Integrates with Grafana for dashboards.


![Prometheus](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/q3mgyavfe4wny4qr7yh6.png)

* * *

## 30\. [Plausible](https://github.com/plausible/analytics)

Plausible is a lightweight, open-source web analytics tool.

- **Privacy-Focused:** No cookies or personal data collection.

- **Simple Metrics:** Focus on essential website stats.

- **Easy Integration:** Add a simple script to start tracking.

- **Open Source:** Inspect, modify, and contribute to the codebase.


![Plausible](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/41txq0sxbr7msxdxeye2.png)

* * *

## 31\. [Fathom](https://github.com/usefathom/fathom)

Fathom Analytics provides simple, privacy-focused website analytics.

- **GDPR Compliant:** No personal data collection.

- **Fast Performance:** Minimal impact on website load times.

- **User-Friendly Dashboard:** Understandable metrics at a glance.

- **Custom Domains:** Serve the script from your domain.


![Fathom](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/z4kuawjwwfmjtanecu31.png)

* * *

## 32\. [n8n](https://github.com/n8n-io/n8n)

n8n is an extendable workflow automation tool that connects various apps and services.

- **Visual Workflow Editor:** Build automations with a drag-and-drop interface.

- **Extensive Integrations:** Connect with over 200 apps.

- **Conditional Logic:** Create complex workflows with branching.

- **Self-Hosted Option:** Keep data within your infrastructure.


![n8n](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/2plk26v4alc38yg9f4jg.png)

* * *

## 33\. [Trieve](https://github.com/devflowinc/trieve)

Trieve is an AI-based infrastructure development platform designed for retrieval and ranking tasks.

- **Semantic Search:** Combines search language models with dense vector semantic search for improved relevance.

- **Human Fine-Tuning:** Offers tools for human fine-tuning to enhance search capabilities.

- **Re-Ranker Models:** Utilizes cross-encoder re-ranker models for better search results.

- **Relevance Weighting:** Provides relevance weighting to improve user experience with more pertinent results.


![Trieve](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/yptjrpoqjjgm05nt70fj.png)

* * *

## 34\. [Chatwoot](https://github.com/chatwoot/chatwoot)

Chatwoot is an open-source customer engagement suite, offering live chat and support tools.

- **Multi-Channel Inbox:** Manage conversations from web chat, email, and social media.

- **Real-Time Messaging:** Communicate instantly with customers.

- **Customization:** Brand your chat widgets and interface.

- **Analytics:** Gain insights into customer interactions.


![Chatwoot](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/zahhbrjovxirjp0g6t7k.png)

* * *

## 35\. [Composio](https://github.com/ComposioHQ/composio)

Composio is an open-source content management system aimed at simplifying web content creation and collaboration.

- **User-Friendly Editor:** Intuitive interface for creating and editing content.

- **Collaboration Tools:** Work simultaneously with team members on projects.

- **Customizable Templates:** Design and deploy websites with ease.

- **Plugin Support:** Extend functionality with a variety of plugins.


![Composio](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/r1akhbf00wf0pzx74y1d.png)

* * *

## 36\. [LLMWare](https://github.com/llmware-ai/llmware)

LLMWare focuses on leveraging Large Language Models (LLMs) to provide AI-driven solutions for businesses.

- **AI Assistants:** Deploy conversational agents for customer support.

- **Document Processing:** Automate the analysis of large text datasets.

- **Custom Model Training:** Tailor AI models to specific industry needs.

- **API Access:** Integrate LLM capabilities into existing applications.


![LLMWare](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/p6t7vvxg1m0alqzz8l7v.png)

* * *

## 37\. [Airbyte](https://github.com/airbytehq/airbyte)

Airbyte is an open-source data integration engine that consolidates data from various sources.

- **Pre-Built Connectors:** Access over 120 connectors for databases and APIs.

- **Custom Connector Development:** Build connectors with ease.

- **Scheduling and Monitoring:** Automate data syncs and monitor performance.

- **Modular Architecture:** Scale components independently.


![Airbyte](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/8uocgboytud4enrrt11i.png)

* * *

## 38\. [Phoenix](https://github.com/phoenixframework/phoenix)

Phoenix is a web development framework written in Elixir, known for high performance.

- **Real-Time Communication:** Built-in support for WebSockets.

- **Functional Programming:** Leverages Elixir's strengths.

- **Scalability:** Handle thousands of connections efficiently.

- **Productive Development:** Provides generators and tooling.


![Phoenix](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/oj5pg1afkdgd3vlf6nwr.png)

* * *

## 39\. [Papermark](https://github.com/mfts/papermark)

Papermark is a collaborative documentation platform that combines note-taking and project management.

- **Markdown Support:** Create documents using Markdown for easy formatting.

- **Real-Time Collaboration:** Multiple users can edit documents simultaneously.

- **Version Control:** Track changes and revert to previous document states.

- **Organization Tools:** Use folders and tags to keep documents organized.


![Papermark](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/pu9nyrklg25pkl4r5eky.png)

* * *

## 40\. [Affine](https://github.com/toeverything/AFFiNE)

Affine is a collaborative knowledge base that blends hierarchical and non-linear workflows.

- **Flexible Organization:** Combine notes, tasks, and databases.

- **Real-Time Collaboration:** Work with team members simultaneously.

- **Cross-Platform Availability:** Access from web, desktop, or mobile.

- **Open Source:** Community-driven development.


![Affine](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/wsumyfj5h76jnjo5r3mt.png)

* * *

That's it! See you in the following list,

And don't forget to help me out and star Postiz ❤️

&nbsp;

{% cta [https://git.sn/78TmmMg](https://git.sn/78TmmMg) %}Star Postiz{% endcta %}

[![Avatar for user @nevos](/images/avatar.png)\\
nevos](/nevos?id=B3mJTU6DJSbUk2oI83G6au9yYHg2)

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Developers](/group/developers) [on December 18, 2024](/post/40-open-source-gems-to-replace-your-saas-subscriptions-f733b8e166 "Wednesday, December 18th 2024 (5:30 am)")

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