Best Web Open-Source Security Software

Open-source password manager with a generous free tier.

Lightweight, privacy-friendly web analytics.

Secure, Simple and Scalable Video Conferences

Bitwarden‑compatible vault hosted on Cloudflare Workers for free

Automate cloud security and compliance

A secure password manager for teams

Secure password manager with zero‑knowledge encryption for individuals and teams

Single Sign-On Multi-Factor portal for web apps

Unified XDR and SIEM protection for endpoints and cloud workloads

Free, open-source password manager

Automate OSINT for threat intelligence and attack surface mapping

Secrets detection for GitHub, GitLab and Bitbucket repositories

Fast and secure backup and versioning for files and directories

Network-wide ads & trackers blocking DNS server

Easy, secure WireGuard networking with 2FA

Fast, secure, efficient backup program

High-performance reverse proxy for NAT traversal

Free backup software to store encrypted backups online

Secure password vault built for teams, with instant sharing and audit trails.

Secure authentication for Next.js apps

Battle‑tested Solidity library for secure smart contract development

Network-wide ad blocking DNS server for homes and small businesses

Secure, self‑hosted development environments for teams

Real‑time spatial intelligence from ordinary WiFi signals