SafeLine

SafeLine addresses the critical need for robust web application security by acting as a self-hosted Web Application Firewall (WAF) and reverse proxy. This open source tool for engineering teams is particularly beneficial for security engineers and DevOps professionals who are tasked with safeguarding applications from various attacks and exploits. With a maturity level that supports production use, SafeLine is a reliable choice for teams looking to enhance their application security posture. However, it may not be the right fit for organisations that require a fully managed service or those with limited in-house expertise. Notably, SafeLine has experienced significant growth, gaining 3,601 stars (18.8% growth) over 332 days, highlighting its increasing adoption and trust within the engineering community.

SafeLine is a strong choice for teams looking for a production-ready solution to protect their web applications from threats while maintaining control over their infrastructure. Teams should consider alternatives if they prefer a cloud-based WAF service or lack the resources to manage a self-hosted option.

SafeLine is ideal for security engineers, DevOps teams, and backend developers who need to implement effective security measures. It is commonly integrated into web applications, APIs, and microservices architectures to provide an additional layer of protection against cyber threats.

Latest commit: 2026-09-28. Over the past 330 days, this repository gained 3.6k stars (+18.8% growth). Activity data is based on daily RepoPi snapshots of the GitHub repository.