imgproxy
Self-hosted server that resizes and converts remote images on the fly
1048 tools in our directory are listed as open source, from 30 sections: Frameworks (89), Open Source (82), UI & Components (80), Dev Utilities (55) and 26 more sections.

Self-hosted server that resizes and converts remote images on the fly

Self-hosted app for backing up and organizing photos and videos

Build React, Vue or Svelte single-page apps with server routing

Shows cloud cost estimates for Terraform changes in pull requests

Open source desktop client for testing HTTP, GraphQL and gRPC APIs

Open source backend for real-time apps with a built-in database

Library for getting structured, validated data from LLM output


Lightweight library for step-by-step product tours and onboarding

Open source front end for watching YouTube without ads

Self-hosted invoicing, estimates, expenses and a client portal

Open source UI components for mobile apps in React, Vue or Angular


JavaScript code coverage tool that instruments your test runs

Open source service mesh for traffic, security and observability

Free collection of online tools for developers and IT work


Java code coverage library and the EclEmma Eclipse plugin

Open source distributed tracing for microservice performance issues

Open source app for running AI models on your own computer

Behavior driven JavaScript testing with no dependencies

Ruby tool that turns Markdown and Liquid into static sites

Free self-hosted media server for movies, shows, music and books

Open source automation server for building, testing and deploying

JavaScript testing framework that runs with little or no setup

Free open source video calls you can run on your own servers

Open source event collection that sends clean data to your warehouse

Schema description and validation library for JavaScript objects



Atomic state library for React with fine-grained re-renders

Command line processor for filtering and transforming JSON data


Visualize JSON, YAML, CSV and XML as interactive graphs

Open source registry for JavaScript and TypeScript packages

Git-compatible version control system with a simpler workflow

Programmer-friendly testing framework for Java and the JVM

Open source notebooks that combine code, text and visual output

Lightweight, certified Kubernetes for edge, IoT and small servers


Terminal interface for browsing and managing Kubernetes clusters

Deploy web apps with Docker and zero downtime on any server

Minimal self-hosted Kanban board with work in progress limits

Open source bookmark manager that tags saved links with AI



Self-hosted library reader for comics, manga, EPUB and PDF

Free, open source video editor with multicam and subtitle tools
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