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.
Power Grid Model Audit Complete! The Open Source Technology Improvement Fund is proud to share the results of our security audit of Power Grid Model. Power Grid Model is an open source library for steady-state… Read more »
Scala3 Supply-Chain Security Review and Improvements Complete! Introduction and Background In 2025, OSTIF advocated alongside the Scala project for funding of a security maintenance program. It took over a year of meetings and pages of proposals to… Read more »
vLLM audit complete! The Open Source Technology Improvement Fund is proud to share the results of our security audit of vLLM. vLLM is an open source Python library for Language Learning Machines (LLMs),… Read more »