40+ Best Open Source Tools

Find open-source alternatives for your favorite apps.

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

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

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

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

Official open source SVG icon library for Bootstrap.

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

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

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

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

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

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.

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

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

An Open Source collection of Design Principles and methods.

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

Visualize and improve OpenTelemetry collector configurations.

Open-source unified API to build product integrations.

Open source monitoring and production toolkit for AI apps.

The #1 open-source CRM & website builder.

The open source Quizlet alternative.

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

Kubernetes adoption at warp speed.

Open-source form framework for Vue.

A beautiful library with SVG logos.

One Javascript framework for all your front-end needs.

Components, Blocks and Templates for Tailwind CSS.

Visualize computer vision.

2,300 Free, open source pixel perfect icons.

Discover open source alternatives to popular software.

Open-source Design and Prototyping tool.

Create visually stunning software architecture diagrams.

Easily transcribe recorded interviews directly in your browser.

Access to the best payment infrastructure for every digital business.

Integrate AI copilots into your applications quickly and efficiently.

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

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

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

Test responsive web applications across multiple devices simultaneously.

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

Access and use beautifully crafted animated icons for your projects.

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

Download 100+ Abstract shapes with cool grainy gradient.

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