OWASP Nest is a discovery platform that helps people find, explore, and contribute to OWASP — the world's leading nonprofit focused on software security standards and best practices. Think of it as a curated directory and community hub that makes it easier to navigate OWASP's hundreds of projects, local chapters, and volunteer opportunities, all in one place.
// why it matters With 170 contributors and nearly 400 stars, this project signals strong community momentum around making security knowledge more accessible — a growing priority as regulators and enterprises demand better software security practices. For founders and PMs, it represents a ready-made engagement layer for the security community, and its open, contributor-friendly model demonstrates how open-source platforms can scale without a large core team.
Python408 stars647 forks189 contrib
Brave Core is the engine that powers the Brave browser, a privacy-focused web browser available on both desktop and mobile devices. It builds on top of Google's open-source Chromium project (the same foundation as Chrome) and adds Brave's unique features like built-in ad blocking, privacy protections, and its rewards system.
// why it matters With growing consumer demand for privacy and increasing regulatory pressure around data collection, Brave represents a real market shift away from ad-supported browser models — and its open-source engine means builders can study or build on the same privacy-first architecture. For founders and investors, it signals that privacy is becoming a product feature users actively seek out, not just a compliance checkbox.
C++3.4k stars1.3k forks510 contrib
Wireshark is a free tool that lets you see all the data traveling across a computer network in real time, showing you exactly what information is being sent and received between devices. Think of it like an X-ray machine for your internet connection — it captures and displays the raw traffic so you can understand, troubleshoot, or investigate what's happening on a network.
// why it matters With nearly 10,000 stars and over 1,700 contributors, Wireshark is the industry-standard tool that security teams, network engineers, and developers worldwide rely on to diagnose problems and investigate breaches — making it a critical part of the cybersecurity and network monitoring ecosystem. Builders creating networking products, security tools, or infrastructure software should be aware of Wireshark as both a competitive reference point and a potential integration target for packet analysis capabilities.
C9.5k stars2.2k forks1758 contrib
HOPR is a privacy-focused network that lets people send data between each other without anyone being able to trace who is communicating with whom, similar to how Tor works but with key improvements. Unlike Tor, HOPR is decentralized (no single company controls it) and pays the people who help run its network through a built-in token reward system, making it financially self-sustaining.
// why it matters As regulators and consumers push harder for data privacy, HOPR represents an infrastructure layer that products could build on to offer genuinely private communications — a meaningful competitive differentiator in markets like healthcare, finance, or secure messaging. The built-in economic incentive model is notable because it solves the classic open-source sustainability problem, potentially making this a more reliable long-term foundation than volunteer-run privacy tools.
Rust257 stars101 forks69 contrib
