Open Source Technology Improvement Fund
The Open Source Technology Improvement Fund is a corporate non-profit dedicated to securing open source apps that we all depend on. Securing software isn’t easy, and we know what it takes to succeed. By facilitating security audits and reviews, OSTIF makes it easy for projects to significantly improve security.
Better Security Through A Massive Community

Through the Open Source Technology Improvement Fund, projects have been able to find and fix critical security bugs.
100+
partner projects
1000+
world class security experts
13000+
hours of security review
130+
severe bugs patched
billions
protected
Support the OSTIF Mission
Open-source projects keep today’s Internet infrastructure afloat. They are critical for the operation of every webserver, every browser, and every banking platform. And they are cared for by a surprisingly small group of people with a limited amount of time. Without dedicated security experts, these projects often don’t get the attention they require.
We can do it with help from supporters like you.
nghttp3 and ngtcp2 Audits Complete! The Open Source Technology Improvement Fund is proud to share the results of our security audits of nghttp3 and ngtcp2. Ngtcp2 is an open source project that implements the QUIC… Read more »
NATS Audit Complete! OSTIF is proud to share the results of our security audit of NATS. NATS is an open source project made by Synadia Communications for secure always-on messaging for a variety… Read more »
Istio ztunnel Audit Complete! The Open Source Technology Improvement Fund is proud to share the results of our security audit of ztunnel. ztunnel is the open source node proxy implementation of Istio’s ambient mesh… Read more »