Top 7 Open-Source Alternatives to Sketchboard.io

The top open-source alternatives to Sketchboard.io are Notion, Brainstormer Online, and Mattermost. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Notion Landing Page
1

Notion

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Pricing:
- Open Source
#Productivity #Work Collaboration #Note Taking 438 social mentions
Brainstormer Online Landing Page
2

Brainstormer Online

Online Idea Sharing and Collaboration Brainstorming Tool
Pricing:
- Open Source
- Freemium
- Free Trial
- $7.99 / Monthly (FACILITATOR Subscription )
#Brainstorming And Ideation #Team Collaboration #Productivity 1 social mentions
Mattermost Landing Page
3

Mattermost

Mattermost is an open source alternative to Slack.
Pricing:
- Open Source
#Team Collaboration #Work Collaboration #Web And Video Conferencing 59 social mentions
Excalidraw Landing Page
4

Excalidraw

Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
Pricing:
- Open Source
#Sketching #Digital Whiteboard #Digital Drawing And Painting 206 social mentions
Flow Landing Page
5

Flow

Stop managing projects from your inbox.
Pricing:
- Open Source
#Project Management #Task Management #Work Collaboration 1 social mentions
OpenBoard Landing Page
6

OpenBoard

The OpenBoard software is an interactive white board software.
Pricing:
- Open Source
#Digital Whiteboard #Team Collaboration #Visual Collaboration
WBO Landing Page
7

WBO

Realtime collaborative whiteboard
Pricing:
- Open Source
#Project Management #Office & Productivity #Task Management 4 social mentions