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 1
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
★ 29,438+6 - Rank 2★ 27,037+11
- Rank 3
SQL powered operating system instrumentation, monitoring, and analytics.
Translation pending
★ 23,703+5 - Rank 4
Open-source SASE platform providing secure access and connectivity to apps, infrastructure, and AI workloads. Connect and protect your users.
★ 23,264+4 - Rank 5
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
★ 23,250+261 - Rank 6
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.
★ 20,510+7 - Rank 7
Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads.
★ 17,487+11 - Rank 8
Open-source VPN for speed, privacy, and censorship circumvention. Free to download on Android, iOS, Windows, macOS, and Linux.
★ 16,561+7 - Rank 9
Cryptomator is an open-source encryption tool for secure cloud storage. Protect your privacy for free on Dropbox, Google Drive, OneDrive, and more.
★ 16,380+4 - Rank 10
Self-contained Shadowsocks implementation in C with libuv, asynchronous DNS, and portable static builds for Linux, macOS, Windows, and FreeBSD.
★ 16,186 - Rank 11
eCapture - Capture SSL/TLS text content without CA certificate using eBPF
Translation pending
★ 15,521+3 - Rank 12
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
★ 15,377+14 - Rank 13★ 15,173
- Rank 14
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.
★ 14,815+8 - Rank 15★ 14,436+29
