CatchJS free for open source — what you get and how to apply

Complimentary (free) CatchJS subscription for open source software projects; site states they give free subscriptions to open source projects out of appreciation for the OSS community. Exact plan tier not specified on the page.

Eligibility: for the project; Must be part of an open source software project; detailed criteria not published.

How to apply: Apply via the form at https://catchjs.com/Contact/OpenSource (linked "Click here to apply" on the homepage).

last verified 2026-07-06