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Session Canvas

sessioncanvas.dev

Free plan WebSelf-hosted
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Spec score 7.6 #19 of 34 in Event Scheduling Software

What it is

Session Canvas is open-source software for managing conference submissions, reviews, agendas, speakers, and event communications. Organizers can build calls for papers with reordered questions, conditional rules, required fields, deadlines, and draft submissions. The review process supports track-based routing, a passwordless evaluator view, and optional blind review. Agendas have day, room, and list views, with warnings for potential time, room, and speaker conflicts. Speakers can use magic links to check submission status, update profiles, and complete tasks. Organizers can send templated acceptance or rejection emails, reminders, and calendar invitations that update when event details change. For sharing event information, it provides embeddable schedule and speaker widgets, a public JSON schedule feed, and whole-event iCal export. Five public widgets are viewable without logging in. Optional Airtable sync is off by default. Session Canvas runs on the web and is self-hosted on the organizer’s Supabase project. It is MIT-licensed and costs nothing.

Spec sheet

Purpose
Session Canvas is open-source speaker and session management for conferences, covering calls for papers, reviews, agendas, speaker portals, and communications.Read 11 Oct 2026 · sessioncanvas.dev
Product
Session Canvas is open-source speaker and session management software for conferences, covering calls for papers, reviews, agendas, speaker portals, and communications.Read 4 Oct 2026 · sessioncanvas.dev
Deployment
The site describes the product as self-hosted on the user's own Supabase project.Read 11 Oct 2026 · sessioncanvas.dev
License
The product is MIT licensed.Read 11 Oct 2026 · sessioncanvas.dev
Agenda
Organizers can build agendas in day, room, and list views, with advisory warnings for time, room, and speaker conflicts.Read 11 Oct 2026 · sessioncanvas.dev
Airtable
Optional Airtable synchronization mirrors submissions to and from an Airtable base and is off by default.Read 4 Oct 2026 · sessioncanvas.dev
Call for papers
Its form builder supports reordered questions, conditional rules, required fields, deadlines, and draft submissions.Read 4 Oct 2026 · sessioncanvas.dev
Communications
The product supports templated accept and decline emails, task reminders, and calendar invitations with sequence updates when details change.Read 11 Oct 2026 · sessioncanvas.dev
Demo
The site offers a seeded DevFlow Conf 2027 demo with submissions, reviews, a scheduled agenda, and a live speaker.Read 11 Oct 2026 · sessioncanvas.dev
Form builder
Its form builder supports drag-to-reorder questions, conditional rules, required fields, and public calls for speakers with deadlines and draft submissions.Read 11 Oct 2026 · sessioncanvas.dev
Hosting
The site describes the product as self-hosted on the organizer’s own Supabase project.Read 4 Oct 2026 · sessioncanvas.dev
Integration
Optional Airtable sync mirrors submissions to and from an Airtable base and is off by default.Read 11 Oct 2026 · sessioncanvas.dev
Public data
It provides embeddable schedule and speaker widgets, a public JSON schedule feed, and whole-event iCal export.Read 4 Oct 2026 · sessioncanvas.dev
Public widgets
Its public pages include session and speaker lists, an agenda, a schedule itinerary, and a speaker gallery, browsable without login.Read 11 Oct 2026 · sessioncanvas.dev
Publishing
It provides embeddable schedule and speaker widgets, a public JSON schedule feed, and whole-event iCal export.Read 11 Oct 2026 · sessioncanvas.dev
Review
The review pipeline includes track-based reviewer routing and optional blind review.Read 11 Oct 2026 · sessioncanvas.dev
Speaker portal
Speakers use passwordless magic links to check status, edit profiles, and complete assigned tasks.Read 11 Oct 2026 · sessioncanvas.dev

Plans and prices

Open source Free MIT licensed · self-hosted on your own Supabase project Read 11 Oct 2026 · sessioncanvas.dev

Every Session Canvas plan and price →

Strong points and limits

Strong points

  • Call-for-papers forms support conditional rules and drafts
  • Review routing can be organized by track
  • Agenda views include conflict warnings
  • Public widgets can be viewed without logging in
  • Optional Airtable sync is available

Limits

  • Requires self-hosting on the organizer’s Supabase project
  • Airtable synchronization is off by default

Who it suits

It suits conference organizers who need to manage submissions, reviews, schedules, and speaker communications. It is a fit for teams prepared to self-host on their own Supabase project.

Verdict

Session Canvas covers conference submissions through public schedule sharing, with tools for both organizers and speakers. Its self-hosted setup and optional Airtable sync are important details to weigh.

Where Specifiction places it

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