Congressio
7.3#4 in event abstract management softwareFrom $49 a monthFree planWebAPI
VisitCongressio vs HotCRP
What both publish
| Fact | Congressio | HotCRP |
|---|---|---|
| API | Organization administrators can create scoped API keys for event, submission and registration access, including a registration write endpoint. | The REST API uses JSON responses, supports GET and POST operations and exposes paper, review, document, search and assignment operations. |
| Purpose | Congressio brings conference submissions, peer review, decisions, scheduling and attendee registration into one platform. | HotCRP manages the conference review process, including paper submissions and reviews. |
| Support | The contact page says support normally replies within one business day and prioritizes urgent requests during live events. | Support for independent conference sites is limited to bug fixes, and classroom use has no support. |
Congressio plans
- FreeFree
- Standard$49 a month
- Professional$149 a month
- EnterprisePriced on request
HotCRP plans
- ACM-sponsoredFree
- ClassroomFree
- Free test siteFree
- USENIX-sponsoredFree
- Independent$7.50, paid once
- IEEE-sponsoredPriced on request
Pick Congressio if…
Congressio suits academic or non-academic conference organizers who want submission, review, program, registration, and event access tools in one platform. It may also fit events that need virtual sessions or multilingual interfaces.
Pick HotCRP if…
HotCRP suits conference organizers managing paper submission, reviewer assignment and program committee decisions. Self-hosting may suit users able to run the required web server and software.