ACM-sponsored
Free
ACM-sponsored conferences, journals and workshops
Checked 15 Oct 2026
Plans and prices
HotCRP pricing
Classroom
Free
Educational classes · approval required · no support
Checked 15 Oct 2026
Free test site
Free
Email restrictions · limited lifetime
Checked 15 Oct 2026
USENIX-sponsored
Free
USENIX-sponsored conferences, journals and workshops
Checked 15 Oct 2026
Independent
$7.50, paid once
Independent conferences, journals and workshops · support limited to bug fixes
Checked 15 Oct 2026
IEEE-sponsored
Priced on request
IEEE-financially-sponsored conferences, journals and workshops
Checked 15 Oct 2026