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.
Security Engineer in Residence Program Breaking the Cycle of Security Funding OSTIF has been advocating for open source security funding over the past decade. During that time when there was an exploit or devastating hack,… Read more »
OSTIF AI Use in Security Research Policy Artificial Intelligence (AI) Use in Security Research Policy First version: April 2026 | Second version: May 2026 | Last updated: July 2026 Refer to the OSTIF Open Source Security Audit… Read more »
Q2 2026 Community Spotlight: Antonela Conti 002.2026 Community Spotlight: Antonela Conti, Project Manager and Admin for X41D-Sec We started working with Antonela immediately after she started for X41D-Sec. X41 had been working with OSTIF for a… Read more »