21st.dev is an open source community registry of production-ready React Tailwind UI components built on shadcn/ui conventions, installable via CLI. MIT licensed with no subscription required.
ProjectDiscovery provides open source security tools including Nuclei for vulnerability scanning and Subfinder for attack surface discovery. MIT licensed.
Ploomber is an open source Python framework for building reproducible data pipelines with a DAG-based workflow, notebook orchestration, and cloud deployment tools. An alternative to Apache Airflow; Apache-2.0 licensed.
Temporal is an open source workflow orchestration platform that runs durable, fault-tolerant business logic across any number of services. MIT licensed; self-host or use Temporal Cloud.
It is a fully open-source, multithreaded database offering a faster, drop-in alternative to Redis, backed by Snap for high-performance workloads.
Grafana is an open source observability platform for querying, visualizing, and alerting on metrics, logs, and traces from any data source. AGPL licensed; self-host or use Grafana Cloud.
It is a highly scalable, low-latency, distributed key-value database designed for building robust data storage solutions.
Sulu is an open source enterprise CMS built on Symfony with a headless API, multi-site management, and content workflows. A self-hosted alternative to Contentful; MIT licensed.
An open-source notification infrastructure for developers, offering a unified API for multi-channel notifications and in-app inbox.
An open-source reproduction of Meta AI’s LLaMA models, offering permissively licensed weights in 3B, 7B, and 13B parameter sizes compatible with both PyTorch and JAX.
A fast, in-process SQL OLAP database management system designed for analytical queries and seamless integration with major languages.