40+ Best Open Source Tools

Discover open source alternatives to popular software.

Send e-mail campaigns, and newsletters, from a powerful self-hosted dashboard.

Test responsive web applications across multiple devices simultaneously.

Build scalable applications using an open-source alternative to Firebase.

Easily transcribe recorded interviews directly in your browser.

Beautifully crafted open source icons for use in web, iOS, Android, and desktop apps.

One Javascript framework for all your front-end needs.

2,300 Free, open source pixel perfect icons.

Integrate AI copilots into your applications quickly and efficiently.

Open-source Design and Prototyping tool.

The open source Quizlet alternative.

Create and manage a meeting poll in seconds, no login required.

Replace Font Awesome with modern line icons with a single line of code.

Open-source fonts in a noise-free environment, to highlight their beauty, extend functionality and encourage further exploration.

The #1 open-source CRM & website builder.

Access to the best payment infrastructure for every digital business.

Components, Blocks and Templates for Tailwind CSS.

Vuetify is a no design skills required Open Source UI Library with beautifully handcrafted Vue Components.

A flexible icon family for interfaces, diagrams, presentations — whatever, really.

A pack of more than 480 beautifully crafted Open Source icons for common actions and items.

Create visually stunning software architecture diagrams.

Open-source unified API to build product integrations.

Download 100+ Abstract shapes with cool grainy gradient.

Ready to use free and open source SVG icons pack JavaScript library.

An open-source icons library with 1500+ icons and growing.

Build and deploy web applications using pure Python without any JavaScript.

A free icon set designed for systems and products. Use how you want, without attribution.

Free and Open source tool to streamline document filling and signing.

A tiny JavaScript React library that generates custom, SVG-based, round avatars from any username and color palette.

Generate seamless, unique, royalty-free patterns to use for free in any project.

Open-source form framework for Vue.

Visualize computer vision.

Find open-source alternatives for your favorite apps.

Personal selection of beautiful, classy, punk, professional, incomplete, weird typefaces.

Open source monitoring and production toolkit for AI apps.

Official open source SVG icon library for Bootstrap.

Kubernetes adoption at warp speed.

All popular icon sets, one framework. Over 150,000 open source vector icons.

A collection of 275+ open-source icons devoted to match your exquisite designs.

A beautiful library with SVG logos.

Visualize and improve OpenTelemetry collector configurations.

An Open Source collection of Design Principles and methods.

Build an open-source notifications infrastructure for various communication channels.

Access and use beautifully crafted animated icons for your projects.

Create and download free and premium 3D icons for personal or commercial projects.