Free
Istio
Open SourceOrchestration · DevOps
The leading service mesh for traffic, security and observability.
service-meshkubernetesnetworking
Browse the complete directory — use filters to narrow down.
Orchestration · DevOps
The leading service mesh for traffic, security and observability.
CLI Tools · Development Environment
Lightweight command-line JSON processor.
Mocks & Fakes · Testing
Get a full fake REST API from a JSON file in seconds.
Notebooks & Data Science · Data & Analytics
The standard interactive notebooks for data science and ML.
CLI Tools · Development Environment
Handy, syntax-clean command runner for project-specific recipes.
Load & Performance · Testing
Open-source load testing tool using JavaScript test scripts.
Orchestration · DevOps
Terminal UI to interact with and manage Kubernetes clusters.
Orchestration · DevOps
Template-free customization of Kubernetes YAML manifests.
Clients & GUIs · Git & Version Control
Simple, powerful terminal UI for Git commands.
Load & Performance · Testing
Google's automated audits for performance, SEO, a11y and best practices.
Migrations & ERD · Database
Open-source database schema change tracking and deployment.
Models & LLM APIs · AI for Developers
Open-source LLM gateway: one API for 100+ providers.
Models & LLM APIs · AI for Developers
The C/C++ inference engine that runs LLMs everywhere, even laptops.
Mobile Backend & Services · Mobile Development
Simple YAML-driven UI testing for iOS and Android (trending).
Email · API Tools
Self-hosted email testing tool with a web UI, catches local mail.
CLI Tools · Development Environment
The classic build automation and task runner present everywhere.
Penetration Testing · Security
The most widely used penetration testing framework: exploit modules, payloads and post-exploitation.
Package Managers · Development Environment
Polyglot runtime manager and task runner (modern asdf alternative).
API Mocking · API Tools
Easy, open-source tool to run mock REST API servers locally.
Editors & IDEs · Development Environment
Hyperextensible Vim-based text editor with built-in LSP support.
Web Servers & Proxies · DevOps
High-performance web server, reverse proxy and load balancer.
Tunneling & Debugging · API Tools
Expose local servers to the internet through secure tunnels.
Reference & Standards · Security
The canonical network scanner for auditing your own hosts and services.
Package Managers · Development Environment
Default Node.js package manager and the world's largest package registry.