Trezor is the world's first hardware cryptocurrency wallet, founded by Satoshilabs in Prague, Czech Republic in 2013, known for open-source transparency, with products including Model One, Model T, and Trezor Suite.
PostgreSQL is the most powerful open-source object-relational database system, maintained by a global developer community, renowned for its extensibility, standard compliance, and reliability.
OpenZeppelin is the industry standard for smart contract security. Founded in 2017, it provides open-source contract libraries, security audits, and the Defender monitoring platform, with $50M+ raised.
OpenTelemetry is the open-source observability standard under CNCF (Cloud Native Computing Foundation), unifying distributed traces, metrics, and logs data collection. Formed from the merger of OpenTracing and OpenCensus in 2019.
Nuxt (Nuxt.js) is the Vue.js full-stack framework supporting SSR, SSG, and ISR, created in 2016 by Sebastien Chopin, Alexandre Chopin, and Pooya Parsa.
MySQL is the world's most popular open-source relational database management system, originally developed by Sweden's MySQL AB in 1995 and now owned and maintained by Oracle Corporation, widely used by millions of websites and applications.
Mozilla is a non-profit-backed technology company known for the Firefox browser and its open-source mission, dedicated to internet privacy, security, and open standards.
MinIO is a high-performance S3-compatible open-source object store, built for Kubernetes and AI workloads, adopted by over 50% of Fortune 500 companies.
Hardhat is the most popular smart contract development environment in the Ethereum ecosystem. Founded in 2019 by Patricio Palladino and Franco Zeoli in Buenos Aires, Argentina, and open-sourced under the Nomic Foundation.
CockroachDB was founded in 2015 by Spencer Kimball, Peter Mattis, and Ben Darnell, headquartered in New York, USA. It is a cloud-native distributed SQL database compatible with PostgreSQL, built on Raft consensus and automatic sharding for global deployment and strong consistency.
Ceph is an open-source unified distributed storage system created by Sage Weil in 2004, providing object, block, and file storage interfaces, widely deployed in OpenStack, Kubernetes, and private cloud environments.
Fluentd, initiated in 2011 and donated to the CNCF in 2016 (graduated 2019), is an open-source log collector serving as a unified logging layer with 500+ plugins and multi-output routing, a mainstream log collection solution for Kubernetes.
Apache Airflow, born at Airbnb in 2015, is an Apache top-level open-source workflow orchestration platform that defines data pipelines with Python DAGs for large-scale task scheduling and ETL.
KoboToolbox is an open-source data collection platform created by the Harvard Humanitarian Initiative in 2011, supporting offline form collection, GPS, and complex skip logic, widely adopted by humanitarian organizations worldwide.
Nmap (Network Mapper) is the world's most widely used open source network scanning and security auditing tool, created and maintained by Gordon Lyon (Fyodor), with 600+ NSE scripts and 40+ probe techniques as the de facto standard for network discovery.
Netdata is an open-source (GPLv3) real-time server monitoring tool, collecting system metrics at second-level resolution with hundreds of preconfigured alert rules and 200+ application monitoring.
Adobe Commerce (formerly Magento) is an enterprise commerce cloud platform that joined Adobe in 2018, serving 250,000+ merchants worldwide. Known for deep customizability, B2B and B2C modes, and a rich extension ecosystem integrated with Adobe Experience Cloud.
pip is the official Python package installer maintained by PyPA since 2008, installing 300,000+ open source packages from the PyPI index and integrating with venv as the standard dependency management entry point.
npm is a JavaScript package manager founded in 2010 in San Francisco, USA, and the default tool for Node.js. Its registry hosts 2M+ open-source packages with 1B+ weekly downloads.
Astro is a content-driven web framework open sourced in 2021, known for zero-JavaScript-by-default output and Islands Architecture, embedding React/Vue/Svelte components on demand for content-intensive websites.
Argo CD is a CNCF-graduated Kubernetes-native GitOps continuous delivery tool that uses Git repositories as the single source of truth for declarative app deployment, auto-sync, multi-cluster management, and security compliance.
Portainer is an Australian open-source container management platform deployable from a single container, unifying Docker, Docker Swarm and Kubernetes management. The CE edition is free forever, making it one of the most popular web UIs for self-hosted container environments.
Jenkins originated from the Hudson project in 2005 and became independent in 2011. It is the world's most popular open-source CI/CD server with a 1000+ plugin ecosystem and Pipeline as Code.
unDraw is an open-source SVG illustration library offering 300+ free, commercially usable, attribution-free illustrations with online color customization and SVG/PNG export, ideal for website and app visuals.