Free
NATS
Open SourceQueues & Streaming · Database
Lightweight, high-performance messaging and microservices bus.
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Queues & Streaming · Database
Lightweight, high-performance messaging and microservices bus.
NoSQL · Database
The leading graph database with Cypher query language.
Serverless & BaaS · Database
Serverless Postgres with branching and scale-to-zero.
Editors & IDEs · Development Environment
Hyperextensible Vim-based text editor with built-in LSP support.
Frameworks · Backend
Progressive Node.js framework for scalable server-side apps in TypeScript.
Documentation Generators · PDF & Documents
Next.js-based docs and site generator — MDX pages, file-system routing and built-in search.
UI Libraries · Frontend
Enterprise-class Angular UI components following the Ant Design specification.
Web Servers & Proxies · DevOps
High-performance web server, reverse proxy and load balancer.
Web Servers & Proxies · DevOps
DigitalOcean's visual generator for performant Nginx configs.
Data Viz & Charts · Frontend
React dataviz components with rich chart types, server-side rendering support and built-in theming.
Reference & Standards · Security
The canonical network scanner for auditing your own hosts and services.
Terminals & Shells · Development Environment
A modern shell that treats output as typed structured data — pipes over tables, JSON and CSV natively.
Frameworks · Frontend
The intuitive Vue framework for full-stack web apps and SSR.
UI Libraries · Frontend
Official Nuxt component library combining Reka UI primitives, Tailwind and Nuxt-friendly presets.
Build & Lint · Frontend
Monorepo build orchestration with generators and task graphs.
Audio & Video · Image & Media
The free, open-source standard for screen recording and live streaming — scenes, filters and plugins.
Terminals & Shells · Development Environment
Popular open-source framework for managing Zsh configuration.
Models & LLM APIs · AI for Developers
Run open LLMs locally with one command.
Ecosystem · CSS Tools
Adam Argyle's supercharged CSS variables — a design-token library of easings, sizes, colors and shadows.
Models & LLM APIs · AI for Developers
Self-hosted ChatGPT-style UI for Ollama and OpenAI-compatible APIs.
AI Coding Assistants · AI for Developers
Open-source AI coding agent for the terminal, model-agnostic.
Search Engines · Database
Community-driven, open-source fork of Elasticsearch and Kibana.
APM & Tracing · Monitoring & Observability
Vendor-neutral standard for traces, metrics and logs instrumentation.
Infrastructure as Code · DevOps
Open-source, Linux Foundation successor to Terraform.