"Free-for.dev" is a curated list of SaaS, PaaS, IaaS, and other services offering free tiers specifically tailored for developers, system administrators, and DevOps practitioners. It focuses on infrastructure-related tools, excluding self-hosted software and short-term trials. The list emphasizes services with free tiers lasting at least a year and ensures security features like TLS are not restricted to paid plans. Contributions are community-driven, with over 1,600 contributors adding or updating entries via pull requests. Categories include cloud providers, CI/CD, monitoring, APIs, storage, and more, making it a valuable resource for developers seeking cost-effective solutions for their projects.