Rank 1Authelia
Authelia is an open-source authentication and authorization server and portal fulfilling the identity and access management (IAM) role of information security in providing multi-factor authentication
Popular projects
2,000 to under 100,000 GitHub stars · most stars first within each tier · Methodology
★ 10,000–under 30,000 · Security · 23 projects
Green numbers beside ★ are stars gained since the previous check · Most stars
Rank 3Osquery
SQL powered operating system instrumentation, monitoring, and analytics.
Translation pending
Rank 4Pangolin
Open-source SASE platform providing secure access and connectivity to apps, infrastructure, and AI workloads. Connect and protect your users.
Rank 5SkillSpector
Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills befo
Bitwarden is the trusted, open source password manager for individuals, teams, and enterprises. Securely store, share, and manage passwords, passkeys, and secrets. Free to start.
Rank 7Wazuh
Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads.
Rank 8lantern
Open-source VPN for speed, privacy, and censorship circumvention. Free to download on Android, iOS, Windows, macOS, and Linux.
Rank 9Cryptomator
Cryptomator is an open-source encryption tool for secure cloud storage. Protect your privacy for free on Dropbox, Google Drive, OneDrive, and more.
Rank 10shadowsocks-c
Self-contained Shadowsocks implementation in C with libuv, asynchronous DNS, and portable static builds for Linux, macOS, Windows, and FreeBSD.
Rank 11eCapture
eCapture - Capture SSL/TLS text content without CA certificate using eBPF
Translation pending
Rank 12crowdsec
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Rank 14Logto
Logto adds multi-tenancy, enterprise SSO, and RBAC to your SaaS or AI apps. All with OIDC and OAuth 2.1 made simple, fast, and developer-friendly.
