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Session Canvas
What it is
Session Canvas is open-source, MIT-licensed software for managing conference submissions, reviews, agendas, speakers, and communications. It runs on the web and is self-hosted on the organizer’s own Supabase project. Its form builder supports reordered questions, conditional rules, required fields, deadlines, and draft submissions. Review tools include track-based reviewer routing, a passwordless evaluator view, and optional blind review. Organizers can create agendas in day, room, or list views, with warnings about time, room, and speaker conflicts. Speakers use magic links to check submission status, edit profiles, and complete tasks. Communications include templated acceptance and rejection emails, reminders, and calendar invitations that update when details change. Public publishing includes embeddable schedule and speaker widgets, a JSON schedule feed, and whole-event iCal export. Optional Airtable synchronization is off by default. The software is free.
For and against
For
- Open source and MIT licensed
- Self-hosted on an organizer’s Supabase project
- Conditional forms and draft submissions
- Track-based review with optional blind review
- Embeddable schedules and public feeds
Against
- Requires self-hosting
- Airtable synchronization is off by default
- No hosted plan is listed
The verdict
Session Canvas covers the main conference-management workflow from submissions through public schedules. Its self-hosted, open-source model gives organizers control while requiring their own Supabase deployment.
Who it suits
It suits conference organizers who need self-hosted tools for calls for papers, reviews, scheduling, speaker tasks, and event communications. Teams using Supabase can deploy it on their own project.
Plans and prices
Open source
MIT licensed · self-hosted on your own Supabase project
Read 11 Oct 2026 · sessioncanvas.dev
On the record
- Agenda
- Organizers can build agendas in day, room, and list views, with advisory warnings for time, room, and speaker conflicts.sessioncanvas.dev · read 11 Oct 2026
- Airtable
- Optional Airtable synchronization mirrors submissions to and from an Airtable base and is off by default.sessioncanvas.dev · read 4 Oct 2026
- Call for papers
- Its form builder supports reordered questions, conditional rules, required fields, deadlines, and draft submissions.sessioncanvas.dev · read 4 Oct 2026
- Communications
- The product supports templated accept and decline emails, task reminders, and calendar invitations with sequence updates when details change.sessioncanvas.dev · read 11 Oct 2026
- Demo
- The site offers a seeded DevFlow Conf 2027 demo with submissions, reviews, a scheduled agenda, and a live speaker.sessioncanvas.dev · read 11 Oct 2026
- Deployment
- The site describes the product as self-hosted on the user's own Supabase project.sessioncanvas.dev · read 11 Oct 2026
- Form builder
- Its form builder supports drag-to-reorder questions, conditional rules, required fields, and public calls for speakers with deadlines and draft submissions.sessioncanvas.dev · read 11 Oct 2026
- Hosting
- The site describes the product as self-hosted on the organizer’s own Supabase project.sessioncanvas.dev · read 4 Oct 2026
- Integration
- Optional Airtable sync mirrors submissions to and from an Airtable base and is off by default.sessioncanvas.dev · read 11 Oct 2026
- License
- The product is MIT licensed.sessioncanvas.dev · read 11 Oct 2026
- Product
- Session Canvas is open-source speaker and session management software for conferences, covering calls for papers, reviews, agendas, speaker portals, and communications.sessioncanvas.dev · read 4 Oct 2026
- Public data
- It provides embeddable schedule and speaker widgets, a public JSON schedule feed, and whole-event iCal export.sessioncanvas.dev · read 4 Oct 2026
- Public widgets
- Its public pages include session and speaker lists, an agenda, a schedule itinerary, and a speaker gallery, browsable without login.sessioncanvas.dev · read 11 Oct 2026
- Publishing
- It provides embeddable schedule and speaker widgets, a public JSON schedule feed, and whole-event iCal export.sessioncanvas.dev · read 11 Oct 2026
- Purpose
- Session Canvas is open-source speaker and session management for conferences, covering calls for papers, reviews, agendas, speaker portals, and communications.sessioncanvas.dev · read 11 Oct 2026
- Review
- The review pipeline includes track-based reviewer routing and optional blind review.sessioncanvas.dev · read 11 Oct 2026
- Speaker portal
- Speakers use passwordless magic links to check status, edit profiles, and complete assigned tasks.sessioncanvas.dev · read 11 Oct 2026
